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Southwestern Public Service Company Updated Test Year Data by Rate Class 12-Month June-19 June-19 June-19 kWh June-19 June-19 Total Line Average Year End Adjusted (Unadjusted) Cust Migration Customer Count Weather Other Customer Other Adjusted No. Description Customers Customers Customers Sales kWh Adjustments kWh Adjustments kWh Adjustments kWh Adjustments kWh Adjustments kWh Sales 1 TEXAS RETAIL 2 Residential Service 175,502 177,088 177,088 1,900,993,858 - 18,418,162 26,983,537 - - 1,946,395,557 3 Residential Space Heating 29,280 28,208 28,208 512,883,655 - (19,263,705) (1,295,948) - - 492,324,001 4 Residential Service - Time of Use 42 42 42 616,313 - - - - - 616,313 5 Small Municipal and School Service 2,841 2,834 2,834 20,287,655 - (56,122) 221,225 - - 20,452,759 6 Small Municipal and School Service - Time of Use - - - - - - - - - - 7 Large Municipal Service - Secondary 888 895 895 150,848,625 - 1,305,722 1,412,481 - - 153,566,829 8 Large Municipal Service - Secondary - Time of Use - - - - - - - - - - 9 Large Municipal Service - Primary 13 13 13 24,791,115 - - - - - 24,791,115 10 Large Municipal Service - Primary - Time of Use - - - - - - - - - - 11 Large School Service - Secondary 720 726 726 157,121,164 - 1,345,176 1,571,304 - - 160,037,643 12 Large School Service - Secondary - Time of Use - - - - - - - - - - 13 Large School Service - Primary 4 4 4 2,683,237 - - - - - 2,683,237 14 Large School Service - Primary - Time of Use - - - - - - - - - - 15 Small General Service 32,254 32,100 32,100 279,926,018 - (1,489,594) 1,455,755 - - 279,892,179 16 Small General Service - Time of Use - - - - - - - - - - 17 Secondary General Service 11,906 12,067 12,067 2,014,215,165 - 30,298,006 15,303,670 - - 2,059,816,841 18 Secondary QF Standby Service - - - - - - - - - - 19 Secondary General Service - Time of Use 39 39 39 74,492,905 - - - - - 74,492,905 20 Secondary General Service - Low Load Factor - - - - - - - - - - 21 Primary General Service 3,638 3,618 3,618 1,995,605,857 - (11,100,014) - - - 1,984,505,843 22 Primary QF Standby Service 14 14 14 1,000,588 - - - - - 1,000,588 23 Primary General Service - Time of Use - - - - - - - - - - 24 Primary General Service - Low Load Factor 1 1 1 1,110,278 - - - - - 1,110,278 25 LGS - Trans 69 to 115 kV 10 10 10 623,779,981 - - - - - 623,779,981 26 LGS - Trans QF Standby 69 to 115 kV 1 1 1 3,096,997 - - - - - 3,096,997 27 LGS - Transmission 115+ kV 40 40 40 5,343,620,395 - - - 23,616,146 - 5,367,236,541 28 LGS - Transmission QF Standby 115+kV 11 11 11 161,358,886 - - - - - 161,358,886 29 Municipal and State Street Lighting 93 93 93 33,029,301 - - - - - 33,029,301 30 Guard and Flood Lighting 13,460 13,599 13,599 23,866,283 - - - - - 23,866,283 31 SA - Lighting (3 Customers) 3 3 3 54,028 - - - - - 54,028 32 SA - Highway Sign Lighting 1 1 1 107,280 - - - - - 107,280 33 SAS-4 (Primary General Service Voltage) 1 1 1 121,738,286 - - 32,724 - - 121,771,010 34 SAS-8 (Primary General Service Voltage) 1 1 1 42,636,875 - - - - - 42,636,875 35 SAS-12 (Large General Service - Transmission 69 kV Voltage) 1 1 1 528,608,993 - - - - - 528,608,993 36 Total Texas Retail 270,762 271,410 271,410 14,018,473,737 - 19,457,631 45,684,748 23,616,146 - 14,107,232,262 37 NEW MEXICO RETAIL 38 Residential 90,105 90,597 N/A 1,134,664,569 - 5,526,579 (457,508) - - 1,139,733,640 39 Commercial & Industrial 21,415 21,636 N/A 5,263,001,378 - 32,502,683 (3,157,065) 217,990,988 - 5,510,337,984 40 Public Authority 1,739 1,737 N/A 130,076,055 - 496,111 (332,393) - - 130,239,773 41 Lighting 9,090 9,102 N/A 28,743,260 - - - - - 28,743,260 - 42 Total New Mexico Retail 122,348 123,072 N/A 6,556,485,262 - 38,525,373 (3,946,966) 217,990,988 - 6,809,054,656 43 TOTAL SPS RETAIL 393,110 394,482 271,410 20,574,958,999 - 57,983,004 41,737,781 241,607,133 - 20,916,286,918 44 Total Wholesale 7 7 N/A 4,643,303,149 - - (17,896,643) (2,539,295,149) - 2,086,111,357 45 TOTAL SPS 393,117 394,489 271,410 25,218,262,148 - 57,983,004 23,841,138 (2,297,688,015) - 23,002,398,276 Notes: Municipal and State Street Lighting and Guard and Flood Lighting are not metered. Therefore, customer counts are as booked. kV = Kilovolt LGS = Large General Service QF = Qualifying Facilities SA = Service Agreement SAS = Service Agreement Summary SPS = Southwestern Public Service Company Schedule O-U1.1 Page 1 of 1 Sponsor: Luth Docket No. 49831 0311

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Schedule O-U1.1 Page 1 of 1

Sponsor: Luth Docket No. 49831

0311

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Schedule O-U1.2 Page 1 of 10

Sponsor: Luth Docket No. 49831

0312

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

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Mon

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Dat

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Schedule O-U1.2 Page 2 of 10

Sponsor: Luth Docket No. 49831

0313

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

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Mon

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15S

mal

l Gen

eral

Ser

vice

35,0

77,8

26

33,1

88,2

62

23,7

73,3

74

19

,446

,565

20

,603

,887

23

,269

,027

23

,128

,572

20

,247

,327

20

,759

,299

18

,538

,371

19

,469

,636

22

,423

,873

27

9,92

6,01

8

16

Sm

all G

ener

al S

ervi

ce -

Tim

e of

Use

-

-

-

-

-

-

-

-

-

-

-

-

-

17S

econ

dary

Gen

eral

Ser

vice

236,

196,

169

222,

847,

993

17

7,05

4,11

1

153,

460,

206

147,

184,

824

149,

978,

148

150,

207,

948

137,

143,

486

150,

532,

434

150,

233,

459

159,

523,

725

177,

327,

369

2,01

1,68

9,87

0

18S

econ

dary

QF

Sta

ndby

Ser

vice

-

-

-

-

-

-

-

-

-

-

-

-

-

19S

econ

dary

Gen

eral

Ser

vice

- T

ime

of U

se17

2,64

4

180,

363

28

6,22

9

4,48

1,70

9

21,9

96,4

21

25,6

00,9

29

16,9

85,9

33

3,81

5,73

1

460,

336

1,55

6,76

0

1,10

9,04

9

372,

095

77,0

18,1

99

20

Sec

onda

ry G

ener

al S

ervi

ce -

Low

Loa

d F

acto

r-

-

-

-

-

-

-

-

-

-

-

-

-

21

Pri

mar

y G

ener

al S

ervi

ce17

6,66

9,15

5

17

7,41

8,31

5

168,

949,

106

17

2,01

7,26

1

16

4,93

4,34

3

17

0,40

8,81

9

16

8,37

6,17

7

15

2,45

4,34

0

16

2,87

5,72

1

15

9,23

2,22

3

16

3,82

5,10

9

15

8,44

5,28

8

1,

995,

605,

857

22

Pri

mar

y Q

F S

tand

by S

ervi

ce71

,516

71

,347

56

,725

72,2

89

86,7

22

105,

944

95,5

67

81,6

75

114,

675

86,6

88

83,7

44

73,6

96

1,00

0,58

8

23P

rim

ary

Gen

eral

Ser

vice

- T

ime

of U

se-

-

-

-

-

-

-

-

-

-

-

-

-

24

Pri

mar

y G

ener

al S

ervi

ce -

Low

Loa

d F

acto

r12

1,83

2

93,6

99

14,4

67

11

4,70

6

84

,133

85

,176

10

2,95

6

92

,165

90

,380

12

6,92

7

42

,732

14

1,10

5

1,

110,

278

25

LG

S -

Tra

ns 6

9 to

115

kV

52,1

29,2

95

51,5

90,1

54

50,7

57,6

26

51

,740

,935

50

,310

,129

51

,577

,584

54

,026

,627

48

,729

,316

53

,429

,140

52

,534

,284

60

,495

,980

52

,364

,334

62

9,68

5,40

4

26

LG

S -

Tra

ns Q

F S

tand

by 6

9 to

115

kV

120,

103

13

8,19

9

4,59

8

107,

662

1,86

1

26

5,75

5

59

6,14

5

38

,405

22

,230

10

,341

1,

700,

304

91

,394

3,

096,

997

27

LG

S -

Tra

nsm

issi

on 1

15+

kV

461,

428,

248

464,

921,

539

43

9,98

0,69

4

470,

604,

516

435,

812,

913

444,

061,

615

445,

550,

446

399,

684,

591

443,

787,

273

431,

778,

763

452,

615,

577

453,

394,

220

5,34

3,62

0,39

5

28L

GS

- T

rans

mis

sion

QF

Sta

ndby

115

+kV

14,4

71,3

74

13,4

99,9

36

13,1

19,4

08

13

,567

,016

12

,949

,146

14

,985

,865

15

,005

,707

12

,117

,267

12

,011

,506

12

,684

,800

13

,182

,651

13

,764

,210

16

1,35

8,88

6

29M

unic

ipal

and

Sta

te S

tree

t Lig

htin

g2,

805,

400

2,80

5,39

9.76

2,71

4,61

4.60

2,

805,

399.

76

2,71

4,61

4.60

2,

805,

399.

76

2,80

5,39

9.76

2,

533,

044.

30

2,80

5,39

9.76

2,

714,

614.

60

2,80

5,39

9.76

2,

714,

614.

60

33,0

29,3

01

30

Gua

rd a

nd F

lood

Lig

htin

g2,

027,

386

2,02

7,38

6.06

1,96

1,85

0.96

2,

027,

386.

06

1,96

1,85

0.96

2,

027,

386.

06

2,02

7,38

6.06

1,

830,

780.

76

2,02

7,38

6.06

1,

961,

850.

96

2,02

7,38

6.06

1,

961,

850.

96

23,8

69,8

87

31

SA

- L

ight

ing

(3 C

usto

mer

s)4,

202

4,20

2

4,

202

4,

202

4,20

2

4,

202

4,20

2

4,

202

4,20

2

4,

202

4,20

2

4,

202

50,4

24

32S

A -

Hig

hway

Sig

n L

ight

ing

8,94

0

8,

940

8,94

0

8,94

0

8,

940

8,94

0

8,

940

8,94

0

8,

940

8,94

0

8,

940

8,94

0

10

7,28

0

33S

AS

-4 (

Pri

mar

y G

ener

al S

ervi

ce V

olta

ge)

15,3

18,5

09

14,9

56,2

51

11,7

56,0

94

9,

149,

289

8,

137,

642

6,

792,

580

7,

726,

067

6,

635,

957

8,

417,

468

11

,177

,622

10

,364

,724

11

,306

,083

12

1,73

8,28

6

34S

AS

-8 (

Pri

mar

y G

ener

al S

ervi

ce V

olta

ge)

3,82

6,00

4

3,

739,

020

2,76

8,54

0

3,

517,

924

3,

700,

277

3,

781,

969

3,

702,

131

3,

464,

278

3,

825,

764

3,

738,

883

3,

181,

757

3,

390,

328

42

,636

,875

35S

AS

-12

(Lar

ge G

ener

al S

ervi

ce -

Tra

nsm

issi

on 6

9 k V

Vol

tage

)46

,622

,762

50

,544

,464

44

,664

,667

45,6

03,3

46

44,4

55,9

76

45,2

23,3

15

44,6

56,6

68

39,0

85,4

31

41,9

72,8

10

39,0

87,1

15

39,0

87,1

15

41,6

99,9

01

522,

703,

570

36T

otal

Tex

as R

etai

l1,

360,

086,

149

1,

330,

609,

501

1,

169,

797,

064

1,14

0,41

6,10

5

1,13

1,03

9,08

2

1,19

5,53

6,42

3

1,18

7,27

8,20

7

1,04

9,16

0,03

7

1,11

4,08

2,93

6

1,05

2,91

1,76

0

1,11

2,55

4,60

4

1,17

5,00

1,87

1

14,0

18,4

73,7

37

Des

crip

tion

Jul-

18A

ug-

18S

ep-1

8O

ct-1

8N

ov-1

8D

ec-1

8Ja

n-1

9F

eb-1

9M

ar-1

9A

pr-

19M

ay-1

9Ju

n-1

9T

otal

TM

E J

un

-19

37N

EW

ME

XIC

O R

ET

AIL

38R

esid

enti

al11

9,12

5,66

2

10

9,43

3,82

5

85,4

34,8

73

75

,877

,194

94

,042

,473

11

6,01

6,66

0

11

2,84

1,89

5

93

,062

,195

85

,599

,636

68

,179

,421

78

,116

,561

96

,934

,173

1,

134,

664,

569

39

Com

mer

cial

& I

ndus

tria

l43

7,19

1,31

0

43

9,79

1,71

2

409,

439,

860

42

0,02

7,26

2

40

6,01

5,39

4

44

1,05

3,96

9

44

4,00

6,08

5

41

5,80

5,28

1

45

9,67

6,09

7

44

8,82

5,17

8

46

6,31

3,84

1

47

4,85

5,38

7

5,

263,

001,

378

40

Pub

lic

Aut

hori

ty13

,131

,340

13

,692

,602

12

,240

,575

10,4

23,5

21

9,28

8,32

0

9,59

5,90

7

9,84

5,92

1

9,14

2,65

1

9,72

1,75

8

9,91

9,59

1

10,9

44,6

24

12,1

29,2

46

130,

076,

055

41L

ight

ing

2,44

1,20

8

2,

441,

208

2,36

2,46

0

2,

441,

208

2,

362,

460

2,

441,

208

2,

441,

208

2,

204,

962

2,

441,

208

2,

362,

460

2,

441,

208

2,

362,

460

28

,743

,260

42T

otal

New

Mex

ico

Ret

ail

571,

889,

521

565,

359,

347

50

9,47

7,76

8

508,

769,

185

511,

708,

647

569,

107,

745

569,

135,

110

520,

215,

089

557,

438,

699

529,

286,

651

557,

816,

234

586,

281,

266

6,55

6,48

5,26

2

43T

otal

SP

S R

etai

l1,

931,

975,

670

1,

895,

968,

848

1,

679,

274,

832

1,64

9,18

5,29

0

1,64

2,74

7,73

0

1,76

4,64

4,16

8

1,75

6,41

3,31

6

1,56

9,37

5,12

5

1,67

1,52

1,63

5

1,58

2,19

8,41

0

1,67

0,37

0,83

8

1,76

1,28

3,13

6

20,5

74,9

58,9

99

44T

otal

Who

lesa

le

511,

173,

324

506,

148,

922

40

6,70

2,21

9

372,

207,

908

374,

222,

336

411,

123,

202

405,

122,

667

361,

931,

176

383,

867,

248

358,

915,

606

379,

323,

898

243,

029,

643

4,71

3,76

8,14

9

45T

OT

AL

SP

S2,

443,

148,

994

2,

402,

117,

770

2,

085,

977,

051

2,02

1,39

3,19

8

2,01

6,97

0,06

6

2,17

5,76

7,37

1

2,16

1,53

5,98

3

1,93

1,30

6,30

1

2,05

5,38

8,88

4

1,94

1,11

4,01

6

2,04

9,69

4,73

6

2,00

4,31

2,78

0

25,2

88,7

27,1

48

Un

adju

sted

Sal

es (

kW

h)

Un

adju

sted

Sal

es (

kW

h)

Schedule O-U1.2 Page 3 of 10

Sponsor: Luth Docket No. 49831

0314

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Dat

a b

y R

ate

Cla

ss Lin

eN

o.R

LR

SH

SG

SS

GC

RM

WA

SM

SS

LM

SL

SS

Tot

al A

dj1

Jul-

18kW

h(6

,033

,007

)

(1

,138

,820

)

(5

77,1

28)

(5,7

35,6

34)

(421

,455

)

(3

9,30

0)

(4

24,7

52)

(281

,724

)

(1

4,65

1,81

9)

2

Aug

-18

kWh

(8,2

98,9

53)

(1,5

36,0

03)

(874

,284

)

(6

,207

,297

)

(3

07,7

98)

(39,

868)

(382

,478

)

(2

80,6

56)

(17,

927,

338)

3S

ep-1

8kW

h(4

06,2

65)

(7

1,70

3)

(4

2,49

1)

(6

17,1

08)

(1

29,1

66)

(3,6

84)

(4

0,72

2)

(35,

231)

(1

,346

,371

)

4

Oct

-18

kWh

53,5

84

(5

40,2

90)

4,

820

17,5

88

-

919

8,

455

10,1

76

(444

,750

)

5N

ov-1

8kW

h(2

,875

,559

)

(3

,276

,304

)

(3

85,0

15)

(2,7

05,3

09)

-

-

-

-

(9,2

42,1

86)

6D

ec-1

8kW

h21

0,34

3

165,

994

27,6

57

121,

845

-

-

-

-

52

5,83

9

7

Jan-

19kW

h2,

153,

484

1,

762,

891

26

7,30

3

46

0,16

5

-

-

-

-

4,64

3,84

3

8F

eb-1

9kW

h11

5,79

8

114,

191

15,7

12

(2,2

47,8

16)

-

(7

3)

(571

)

(5

02)

(2,0

03,2

61)

9M

ar-1

9kW

h(1

,927

,189

)

(3

,495

,893

)

(2

93,4

42)

8,89

9,38

3

-

52,0

71

382,

797

401,

115

4,01

8,84

3

10A

pr-1

9kW

h77

8,35

7

149,

326

-

73

4,17

8

29,3

19

18,9

23

182,

191

149,

703

2,04

1,99

8

11M

ay-1

9kW

h12

,540

,878

1,49

6,84

6

747,

550

6,41

8,96

1

18

8,77

9

99

,418

87

4,78

1

92

9,22

3

23

,296

,436

12Ju

n-19

kWh

30,6

72,0

66

5,

073,

816

2,

565,

073

16

,164

,713

673,

044

132,

819

812,

781

679,

201

56,7

73,5

12

13T

Y T

otal

kW

h26

,983

,537

(1,2

95,9

48)

1,45

5,75

5

15,3

03,6

70

32

,724

22

1,22

5

1,

412,

481

1,

571,

304

45

,684

,748

RL

RS

HS

GS

SG

IRR

SM

SS

LM

SS

Tot

al A

dj14

Jul-

18kW

h(3

,058

,983

)

(1

,954

,185

)

(4

53,4

29)

(1,6

28,6

42)

(605

,252

)

(2

3,56

8)

(2

37,9

07)

(7,9

61,9

65)

15A

ug-1

8kW

h(2

,074

,359

)

(1

,307

,005

)

(3

07,0

48)

(1,1

19,3

75)

(726

,555

)

(2

1,63

6)

(2

21,7

35)

(5,7

77,7

13)

16S

ep-1

8kW

h1,

729,

596

98

7,97

9

25

6,70

4

86

1,23

4

(491

,688

)

44

,773

58

7,09

5

3,

975,

692

17

Oct

-18

kWh

(449

,306

)

(593

,001

)

(64,

156)

(190

,350

)

-

(1

8,74

1)

(2

40,6

55)

(1,5

56,2

08)

18N

ov-1

8kW

h(1

,112

,546

)

(2

,081

,640

)

(1

01,9

23)

-

-

-

-

(3

,296

,109

)

19

Dec

-18

kWh

655,

696

1,

026,

027

71

,596

-

-

-

-

1,75

3,31

9

20Ja

n-19

kWh

1,39

5,58

3

2,52

1,37

2

185,

173

-

(6,2

45)

(2

14)

(1,8

16)

4,

093,

853

21

Feb

-19

kWh

708,

984

1,

530,

089

12

3,38

8

-

(4

62,2

56)

(15,

863)

(134

,452

)

1,

749,

889

22

Mar

-19

kWh

(628

,603

)

(2,3

10,8

06)

(124

,013

)

-

39

8,33

3

15

,771

15

3,44

4

(2

,495

,873

)

23

Apr

-19

kWh

-

199,

042

-

-

90

,721

5,

207

49,7

78

344,

748

24M

ay-1

9kW

h(4

97,8

51)

(2

86,3

61)

(7

4,93

8)

(2

58,3

05)

(6

73,9

22)

(45,

808)

(483

,398

)

(2

,320

,583

)

25

Jun-

19kW

h3,

220,

703

1,

922,

068

49

2,10

6

1,

728,

071

(76,

295)

19

,386

23

7,94

4

7,

543,

984

26T

Y T

otal

kW

h(1

11,0

87)

(3

46,4

22)

3,

461

(607

,367

)

(2,5

53,1

59)

(4

0,69

1)

(2

91,7

02)

(3,9

46,9

66)

Acr

onym

Def

ined

RL

Res

iden

tial

Ser

vice

RS

HR

esid

enti

al S

pace

Hea

ting

SG

SS

mal

l Gen

eral

Ser

vice

SG

Sec

onda

ry G

ener

al S

ervi

ceC

RM

WA

Can

adia

n R

iver

Mun

icip

al W

ater

Aut

hori

ty (

TX

SA

S-4

)IR

RIr

riga

tion

Ser

vice

(N

M)

SM

SS

Sm

all M

unic

ipal

and

Sch

ool S

ervi

ceL

MS

SL

arge

Mun

icip

al a

nd S

choo

l Ser

vice

(N

M)

LM

SL

arge

Mun

icip

al S

ervi

ce (

TX

)

LS

SL

arge

Sch

ool S

ervi

ce (

TX

)

Tex

as k

Wh

Wea

ther

Ad

just

men

t (A

lloc

atio

n M

odel

)

New

Mex

ico

kW

h W

eath

er A

dju

stm

ent

(All

ocat

ion

Mod

el)

Schedule O-U1.2 Page 4 of 10

Sponsor: Luth Docket No. 49831

0315

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Dat

a b

y R

ate

Cla

ss

Lin

eN

o.C

entr

alF

arm

ers

Lea

Co

Roo

seve

ltW

TM

PA

-T

XT

ri C

o -

TX

Tot

al A

dj1

Jul-

18kW

h(1

,200

,763

)

(1,6

34,2

78)

(3,0

87,7

74)

(1

,148

,599

)

(9

,848

,043

)

(3

96,4

50)

(17,

315,

907)

2

Aug

-18

kWh

(794

,716

)

(1

,070

,630

)

(2

,483

,022

)

(768

,783

)

(7,9

43,5

36)

(667

,438

)

(1

3,72

8,12

5)

3S

ep-1

8kW

h24

7,82

2

697,

443

1,17

5,82

9

34

2,03

8

(3

71,9

82)

(4

6,56

4)

2,04

4,58

6

4

Oct

-18

kWh

-

(661

,773

)

-

-

1,

600,

067

-

93

8,29

4

5N

ov-1

8kW

h-

-

-

-

(2,1

94,3

10)

-

(2

,194

,310

)

6D

ec-1

8kW

h-

-

-

-

(1,5

49,7

64)

78,2

74

(1

,471

,490

)

7Ja

n-19

kWh

-

-

-

-

2,

225,

291

147,

240

2,

372,

531

8F

eb-1

9kW

h-

-

-

-

56,6

28

-

56,6

28

9

Mar

-19

kWh

-

-

-

-

(3

,342

,032

)

-

(3,3

42,0

32)

10

Apr

-19

kWh

-

-

-

-

-

-

-

11M

ay-1

9kW

h(3

58,6

49)

(553

,686

)

(1,1

90,6

30)

(5

61,8

02)

9,

337,

771

749,

619

7,

422,

624

12Ju

n-19

kWh

1,02

8,71

2

1,

238,

953

2,57

3,45

1

57

1,86

8

-

1,

907,

575

7,32

0,55

9

13U

TY

Tot

alk

Wh

(1,0

77,5

94)

(1

,983

,971

)

(3

,012

,146

)

(1,5

65,2

78)

-

(12,

029,

910)

1,

772,

256

(17,

896,

643)

69 K

V11

5 K

V69

KV

115

KV

69 K

V11

5 K

V69

KV

115

KV

Tot

al K

WH

14Ju

l-18

kWh

0.00

%10

0.00

%-

(7,0

71,4

14)

0.00

%10

0.00

%-

(1

0,24

4,49

3)

(17,

315,

907)

15A

ug-1

8kW

h0.

00%

100.

00%

-

(5

,117

,152

)

0.

00%

100.

00%

-

(8,6

10,9

74)

(1

3,72

8,12

5)

16

Sep

-18

kWh

0.00

%10

0.00

%-

2,46

3,13

2

0.00

%10

0.00

%-

(4

18,5

46)

2,04

4,58

6

17O

ct-1

8kW

h0.

00%

100.

00%

-

(6

61,7

73)

0.

00%

100.

00%

-

1,60

0,06

7

93

8,29

4

18

Nov

-18

kWh

0.00

%10

0.00

%-

-

0.00

%10

0.00

%-

(2

,194

,310

)

(2,1

94,3

10)

19D

ec-1

8kW

h0.

00%

100.

00%

-

-

0.

00%

100.

00%

-

(1,4

71,4

90)

(1

,471

,490

)

20

Jan-

19kW

h0.

00%

100.

00%

-

-

0.

00%

100.

00%

-

2,37

2,53

1

2,

372,

531

21

Feb

-19

kWh

0.00

%10

0.00

%-

-

0.00

%10

0.00

%-

56

,628

56

,628

22M

ar-1

9kW

h0.

00%

100.

00%

-

-

0.

00%

100.

00%

-

(3,3

42,0

32)

(3

,342

,032

)

23

Apr

-19

kWh

0.00

%10

0.00

%-

-

0.00

%10

0.00

%-

-

-

24

May

-19

kWh

0.00

%10

0.00

%-

(2,6

64,7

66)

0.00

%10

0.00

%-

10

,087

,390

7,

422,

624

25

Jun-

19kW

h0.

00%

100.

00%

-

5,

412,

984

0.

00%

100.

00%

-

1,90

7,57

5

7,

320,

559

26U

TY

Tot

ak

Wh

-

(7

,638

,988

)

-

(1

0,25

7,65

4)

(17,

896,

643)

Acr

onym

Def

ined

RL

Res

iden

tial

Ser

vice

RS

HR

esid

enti

al S

pace

Hea

ting

SG

SS

mal

l Gen

eral

Ser

vice

SG

Sec

onda

ry G

ener

al S

ervi

ceC

RM

WA

Can

adia

n R

iver

Mun

icip

al W

ater

Aut

hori

ty (

TX

SA

S-4

)IR

RIr

riga

tion

Ser

vice

(N

M)

SM

SS

Sm

all M

unic

ipal

and

Sch

ool S

ervi

ceL

MS

SL

arge

Mun

icip

al a

nd S

choo

l Ser

vice

(N

M)

LM

SL

arge

Mun

icip

al S

ervi

ce (

TX

)

LS

SL

arge

Sch

ool S

ervi

ce (

TX

)

Tex

as -

KW

HN

ew M

exic

o -%

New

Mex

ico

-KW

HT

exas

-%

Fu

ll R

equ

irem

ents

Wh

oles

ale

kW

h W

eath

er A

dju

stm

ent

by

Sta

te

Fu

ll R

equ

irem

ents

Wh

oles

ale

kW

h W

eath

er A

dju

stm

ent

(All

ocat

ion

Mod

el)

Schedule O-U1.2 Page 5 of 10

Sponsor: Luth Docket No. 49831

0316

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Dat

a b

y R

ate

Cla

ss

RL

RS

HS

GS

SG

PG

SM

SL

MS

LS

ST

otal

Adj

Jul-

18kW

h4,

207,

979

(3,8

13,8

18)

(3

96,2

91)

5,81

9,71

6

(2

,170

,383

)

(2

,023

)

17

5,97

0

19

8,02

4

4,

019,

175

A

ug-1

8kW

h3,

284,

498

(3,0

21,1

50)

(3

33,7

50)

5,37

6,79

4

(1

,940

,058

)

(7

,641

)

20

0,68

0

23

2,33

5

3,

791,

706

S

ep-1

8kW

h2,

486,

405

(2,1

79,2

65)

(2

20,4

56)

4,29

0,20

0

(1

,618

,729

)

(4

,311

)

17

8,22

2

20

4,16

9

3,

136,

235

O

ct-1

8kW

h1,

654,

354

(1,6

98,3

35)

(1

64,0

33)

3,72

4,89

1

(1

,039

,665

)

(4

,620

)

14

9,71

9

17

0,22

8

2,

792,

538

N

ov-1

8kW

h1,

702,

913

(1,8

10,0

92)

(1

37,6

28)

4,04

1,43

3

(7

71,3

57)

(9

,295

)

14

2,01

7

19

3,39

6

3,

351,

386

D

ec-1

8kW

h1,

772,

279

(2,1

11,8

62)

(1

45,6

85)

4,20

4,29

9

(6

10,1

11)

(1

0,67

5)

107,

829

215,

251

3,42

1,32

3

Jan-

19kW

h1,

234,

260

(1,8

31,2

89)

(3

9,29

1)

1,

316,

252

(833

,545

)

(20,

163)

31

4,82

6

16

5,70

4

30

6,75

2

F

eb-1

9kW

h91

6,45

0

(1,2

78,7

76)

(8

,834

)

565,

557

(3

78,2

99)

1,

187

36,4

98

(33,

931)

(180

,148

)

M

ar-1

9kW

h65

2,56

7

(837

,990

)

(7

,648

)

571,

803

(4

48,9

41)

2,

347

26,7

65

-

(4

1,09

7)

A

pr-1

9kW

h35

8,44

6

(446

,783

)

(1

9,61

5)

30

3,96

0

(657

,441

)

(464

)

(12,

948)

-

(4

74,8

46)

May

-19

kWh

148,

011

(2

34,3

43)

(16,

362)

83,1

03

(6

31,4

84)

(4

63)

(1

3,85

6)

-

(665

,394

)

Ju

n-19

kWh

-

-

-

-

-

-

-

-

-

UT

Y T

otal

kW

h18

,418

,162

(1

9,26

3,70

5)(1

,489

,594

)

30,2

98,0

06

(1

1,10

0,01

4)

(56,

122)

1,

305,

722

1,

345,

176

19

,457

,631

RL

RS

HS

GS

SG

IRR

PG

SM

SL

MS

Tot

al A

djJu

l-18

kWh

1,05

7,46

9

72

,853

28

9,58

6

3,

963,

672

(84,

444)

2,

160,

554

(3,8

01)

12

8,51

0

7,

584,

398

A

ug-1

8kW

h91

0,50

8

23,9

79

263,

754

3,31

9,20

2

(6

9,28

3)

1,75

8,18

4

(6

,374

)

112,

285

6,31

2,25

4

Sep

-18

kWh

741,

514

51

,636

18

5,03

6

2,

675,

624

(60,

353)

1,

558,

934

(5,5

88)

80

,291

5,

227,

095

O

ct-1

8kW

h51

1,21

1

1,05

6

179,

988

2,06

9,98

0

(1

4,09

6)

1,53

4,57

1

(4

,516

)

50,7

37

4,32

8,93

1

Nov

-18

kWh

534,

881

(1

9,43

4)

98

,801

1,

549,

647

(6,7

72)

1,20

0,55

1

(4

,595

)

44,6

16

3,39

7,69

6

Dec

-18

kWh

611,

864

-

113,

618

1,47

5,95

3

(5

,467

)

1,

003,

567

(6,8

30)

76

,425

3,

269,

130

Ja

n-19

kWh

473,

108

(2

8,14

9)

89

,135

1,

198,

201

(2,8

56)

1,01

1,13

8

(5

,963

)

47,0

39

2,78

1,65

1

Feb

-19

kWh

284,

019

(2

1,33

2)

45

,963

96

6,62

5

-

898,

131

-

14,5

26

2,18

7,93

2

Mar

-19

kWh

208,

062

(1

9,70

9)

37

,395

68

9,12

3

-

1,23

5,32

0

-

-

2,

150,

191

A

pr-1

9kW

h11

2,35

2

(7,7

36)

25

,507

32

3,00

3

-

648,

652

(7

00)

-

1,

101,

078

M

ay-1

9kW

h48

,451

(2

0,02

3)

17

,345

19

2,90

5

-

(33,

710)

(2

,189

)

(17,

762)

185,

017

Jun-

19kW

h-

-

-

-

-

-

-

-

-

UT

Y T

otal

kW

h5,

493,

439

33,1

40

1,34

6,12

9

18,4

23,9

33

(2

43,2

72)

12

,975

,893

(4

0,55

5)

53

6,66

6

38

,525

,373

Cen

tra l

Far

mer

sL

ea C

oR

oose

velt

WT

MP

A -

TX

Tri

Co

- T

XT

otal

Adj

Jul-

18kW

h-

-

-

-

-

-

-

A

ug-1

8kW

h-

-

-

-

-

-

-

S

ep-1

8kW

h-

-

-

-

-

-

-

O

ct-1

8kW

h-

-

-

-

-

-

-

N

ov-1

8kW

h-

-

-

-

-

-

-

D

ec-1

8kW

h-

-

-

-

-

-

-

Ja

n-19

kWh

-

-

-

-

-

-

-

Feb

-19

kWh

-

-

-

-

-

-

-

Mar

-19

kWh

-

-

-

-

-

-

-

Apr

-19

kWh

-

-

-

-

-

-

-

May

-19

kWh

-

-

-

-

-

-

-

Jun-

19kW

h-

-

-

-

-

-

-

UT

Y T

otal

kW

h-

-

-

-

-

-

-

Acr

onym

Def

ined

UT

YT

he U

pdat

ed T

est Y

ear

is th

e tw

elve

mon

ths

ende

d Ju

ne 3

0, 2

019.

TY

ET

est Y

ear

EndTex

as k

Wh

Act

ive

Ser

vice

Cou

nt

Ad

just

men

t (A

lloc

atio

n M

odel

) -

Ad

just

to

TY

E C

oun

ts

New

Mex

ico

kW

h A

ctiv

e S

ervi

ce C

oun

t A

dju

stm

ent

(All

ocat

ion

Mod

el)

- A

dju

st t

o T

YE

Cou

nts

Wh

oles

ale

kW

h A

ctiv

e S

ervi

ce C

oun

t A

dju

stm

ent

(All

ocat

ion

Mod

el)

- A

dju

st t

o T

YE

Cou

nts

Schedule O-U1.2 Page 6 of 10

Sponsor: Luth Docket No. 49831

0317

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Dat

a b

y R

ate

Cla

ss

Lin

eN

o.M

onth

Un

adju

sted

WT

MP

A

kW

hW

TM

PA

kW

h

adju

stm

ent

Ad

just

ed W

TM

PA

k

Wh

1Ju

l-18

302,

679,

651

(3

02,6

79,6

51)

-

2

Aug

-18

302,

001,

527

(3

02,0

01,5

27)

-

3

Sep

-18

238,

827,

620

(2

38,8

27,6

20)

-

4

Oct

-18

209,

414,

708

(2

09,4

14,7

08)

-

5

Nov

-18

210,

351,

729

(2

10,3

51,7

29)

-

6

Dec

-18

234,

507,

866

(2

34,5

07,8

66)

-

7

Jan-

1922

7,79

7,62

6

(227

,797

,626

)

-

8F

eb-1

920

0,98

7,76

0

(200

,987

,760

)

-

9M

ar-1

920

9,87

4,63

7

(209

,874

,637

)

-

10A

pr-1

919

2,57

4,95

7

(192

,574

,957

)

-

11M

ay-1

921

0,27

7,06

9

(210

,277

,069

)

-

12Ju

n-19

-

-

-

13T

otal

2,53

9,29

5,14

9

(2

,539

,295

,149

)

-

Mon

thU

nad

just

ed L

PL

kW

hL

PL

kW

h

adju

stm

ent

Ad

just

ed N

M C

OO

P

kW

h14

Jul-

18-

65,7

69,6

00

65

,769

,600

15

Aug

-18

-

65

,769

,600

65,7

69,6

00

16S

ep-1

8-

63,6

48,0

00

63

,648

,000

17

Oct

-18

-

65

,769

,600

65,7

69,6

00

18N

ov-1

8-

63,6

48,0

00

63

,648

,000

19

Dec

-18

-

65

,769

,600

65,7

69,6

00

20Ja

n-19

-

65

,769

,600

65,7

69,6

00

21F

eb-1

9-

59,4

04,8

00

59

,404

,800

22

Mar

-19

-

65

,769

,600

65,7

69,6

00

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onym

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est T

exas

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icip

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LL

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ower

& L

ight

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A/L

PL

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Schedule O-U1.2 Page 7 of 10

Sponsor: Luth Docket No. 49831

0318

Southwestern Public Service Company

Monthly Data by Rate Class

NM - Primary General

NM - Primary to Secondary

NM - LGS-T 115kV

TX - LGS-T 115kV

TX - LGS-T 115kV

Line Load Adj 30 Customers 9 Customers Customer 1 Customer 2No. Month kWh kWh kWh 1 Jul-18 10,218,032 (3,825,050) 25,184,043 2,447,324 3,044,960 2 Aug-18 10,218,032 (3,683,459) 20,078,619 2,447,324 3,044,960 3 Sep-18 9,888,418 (2,832,469) 21,632,610 2,447,324 2,989,144 4 Oct-18 10,218,032 (2,598,466) 15,389,909 2,447,324 2,960,038 5 Nov-18 9,888,418 (2,879,639) 9,043,352 664,490 1,123,259 6 Dec-18 10,218,032 (2,712,386) 3,308,571 - - 7 Jan-19 10,218,032 (2,721,124) 3,044,794 - - 8 Feb-19 9,229,191 (2,976,539) - - - 9 Mar-19 10,218,032 (2,761,645) - - -

10 Apr-19 9,888,418 (3,081,360) - - - 11 May-19 10,218,032 (3,133,491) - - - 12 Jun-19 9,888,418 (3,683,720) - - -

13 Total UTY 120,309,091 (36,889,348) 97,681,897 10,453,785 13,162,361

Retail Customer Adjustments

Energy Adjustment

Schedule O-U1.2 Page 8 of 10

Sponsor: Luth Docket No. 49831

0319

Southwestern Public Service Company

Monthly Data by Rate Class

No miscellaneous adjustments.

Schedule O-U1.2 Page 9 of 10

Sponsor: Luth Docket No. 49831

0320

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Schedule O-U1.3 Page 1 of 17

Sponsors: Luth, Marks Docket No. 49831

0322

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Schedule O-U1.3 Page 2 of 17

Sponsors: Luth, Marks Docket No. 49831

0323

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Schedule O-U1.3 Page 3 of 17

Sponsors: Luth, Marks Docket No. 49831

0324

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

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Up

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Schedule O-U1.3 Page 4 of 17

Sponsors: Luth, Marks Docket No. 49831

0325

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

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Up

dat

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Schedule O-U1.3 Page 5 of 17

Sponsors: Luth, Marks Docket No. 49831

0326

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

sted

Up

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26

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New

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3,02

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9

2,71

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Wh

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2,55

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AL

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Un

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Coi

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Tra

nsm

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on -

At

Th

e S

ourc

e

Schedule O-U1.3 Page 6 of 17

Sponsors: Luth, Marks Docket No. 49831

0327

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

sted

Up

dat

ed T

est

Yea

r D

ata

by

Rat

e C

lass

Lin

e

No.

Des

crip

tion

Jul-

18A

ug-

18S

ep-1

8O

ct-1

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ov-1

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8Ja

n-1

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CP

Max

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k1

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40

7,92

1

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Res

iden

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-

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-

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5S

mal

l Mun

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choo

l Ser

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3,45

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2,

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2,

977

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10

Lar

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Lar

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Sch

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13L

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Sch

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69,0

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53,7

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44,2

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17

Sec

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Gen

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Schedule O-U1.3 Page 7 of 17

Sponsors: Luth, Marks Docket No. 49831

0328

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

sted

Up

dat

ed T

est

Yea

r D

ata

by

Rat

e C

lass

Lin

e

No.

Des

crip

tion

Jul-

18A

ug-

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Schedule O-U1.3 Page 8 of 17

Sponsors: Luth, Marks Docket No. 49831

0329

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

sted

Up

dat

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Yea

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by

Rat

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Des

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Res

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7

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Schedule O-U1.3 Page 9 of 17

Sponsors: Luth, Marks Docket No. 49831

0330

Sou

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Schedule O-U1.3 Page 10 of 17

Sponsors: Luth, Marks Docket No. 49831

0331

Sou

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Sponsors: Luth, Marks Docket No. 49831

0332

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Sponsors: Luth, Marks Docket No. 49831

0333

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Schedule O-U1.3 Page 13 of 17

Sponsors: Luth, Marks Docket No. 49831

0334

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Sou

rce

Schedule O-U1.3 Page 14 of 17

Sponsors: Luth, Marks Docket No. 49831

0335

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

sted

Up

dat

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Schedule O-U1.3 Page 15 of 17

Sponsors: Luth, Marks Docket No. 49831

0336

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

sted

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767,

371

2,

161,

535,

983

1,

931,

306,

301

2,

055,

388,

884

1,

941,

114,

016

2,

049,

694,

736

2,

004,

312,

780

25

,288

,727

,148

*TM

E -

Tw

elve

Mon

ths

End

ing

Un

adju

sted

kW

h E

ner

gy S

ales

- A

t T

he

Met

er

Schedule O-U1.3 Page 16 of 17

Sponsors: Luth, Marks Docket No. 49831

0337

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Un

adju

sted

Up

dat

ed T

est

Yea

r D

ata

by

Rat

e C

lass

Lin

eN

o.D

escr

ipti

onS

tate

Jul-

18A

ug-

18S

ep-1

8O

ct-1

8N

ov-1

8D

ec-1

8Ja

n-1

9F

eb-1

9M

ar-1

9A

pr-

19M

ay-1

9Ju

n-1

91

Res

iden

tial

Ser

vice

TX

, NM

0.46

05

0.48

58

0.41

99

0.39

91

0.49

49

0.58

53

0.53

07

0.56

37

0.45

72

0.48

80

0.41

10

0.43

89

2R

esid

enti

al S

pace

Hea

ting

TX

0.47

72

0.51

62

0.46

43

0.48

95

0.48

37

0.58

79

0.51

78

0.48

75

0.37

59

0.43

29

0.54

36

0.43

60

3R

esid

enti

al S

pace

Hea

ting

NM

0.50

16

0.51

75

0.49

77

0.48

74

0.45

97

0.59

66

0.53

67

0.46

49

0.38

40

0.41

86

0.49

30

0.50

29

4S

mal

l Gen

eral

Ser

vice

TX

, NM

0.65

56

0.70

59

0.60

80

0.60

79

0.68

82

0.69

73

0.64

33

0.67

26

0.57

60

0.69

48

0.56

44

0.53

53

5S

tree

t Lig

htin

gT

X, N

M0.

4589

0.

4589

0.

4589

0.

4589

0.

4589

0.

4589

0.

4589

0.

4589

0.

4589

0.

4589

0.

4589

0.

4589

6

Are

a L

ight

ing

TX

, NM

0.45

89

0.45

89

0.45

89

0.45

89

0.45

89

0.45

89

0.45

89

0.45

89

0.45

89

0.45

89

0.45

89

0.45

89

7S

mal

l Mun

icip

al a

nd S

choo

lT

X, N

M0.

6678

0.

7159

0.

6149

0.

6936

0.

7574

0.

7719

0.

7686

0.

7936

0.

7241

0.

7525

0.

7106

0.

7116

8

Lar

ge M

unic

ipal

Ser

vice

TX

0.76

24

0.76

21

0.74

22

0.76

05

0.75

13

0.74

63

0.77

31

0.73

30

0.73

63

0.71

59

0.70

72

0.72

76

9L

arge

Sch

ool S

ervi

ceT

X0.

4870

0.

3576

0.

3756

0.

3332

0.

4528

0.

4418

0.

4679

0.

4696

0.

3968

0.

4355

0.

3661

0.

4791

10

Lar

ge M

unic

ipal

& S

choo

lN

M0.

6512

0.

5701

0.

5451

0.

4793

0.

6004

0.

6009

0.

6474

0.

6205

0.

6448

0.

5817

0.

6463

0.

6722

11

Irri

gati

on S

ervi

ceN

M0.

8230

0.

7740

0.

4354

0.

3205

0.

3381

0.

3522

0.

4537

0.

3890

0.

5392

0.

7080

0.

6267

0.

5982

12

Sec

onda

ry G

ener

alT

X, N

M0.

7031

0.

7182

0.

6747

0.

6645

0.

7913

0.

7491

0.

7294

0.

7446

0.

7004

0.

7052

0.

6537

0.

6723

13

Pri

mar

y G

ener

alT

X, N

M0.

9268

0.

9362

0.

8379

0.

9319

0.

9258

0.

9376

0.

9391

0.

9243

0.

9069

0.

6798

0.

8985

0.

9148

Des

crip

tion

Sta

teJu

l-18

Au

g-18

Sep

-18

Oct

-18

Nov

-18

Dec

-18

Jan

-19

Feb

-19

Mar

-19

Ap

r-19

May

-19

Jun

-19

14R

esid

enti

al S

ervi

ceT

X, N

M0.

5248

0.

5207

0.

4903

0.

4507

0.

5922

0.

7491

0.

5668

0.

6678

0.

6290

0.

6470

0.

6560

0.

4717

15

Res

iden

tial

Spa

ce H

eati

ngT

X0.

5517

0.

5575

0.

5389

0.

5160

0.

5551

0.

6875

0.

6128

0.

4909

0.

4241

0.

9429

0.

6302

0.

5372

16

Res

iden

tial

Spa

ce H

eati

ngN

M0.

5296

0.

5697

0.

5935

0.

5218

0.

5448

0.

6370

0.

6318

0.

5376

0.

3897

0.

7025

0.

5622

0.

5887

17

Sm

all G

ener

al S

ervi

ceT

X, N

M0.

6636

0.

7994

0.

7375

0.

6175

0.

7760

0.

7958

0.

8805

0.

8118

0.

6129

0.

7738

0.

7569

0.

6601

18

Str

eet L

ight

ing

TX

, NM

1.00

00

1.00

00

19A

rea

Lig

htin

gT

X, N

M1.

0000

1.

0000

20

Sm

all M

unic

ipal

and

Sch

ool

TX

, NM

0.72

93

0.83

68

0.99

37

0.75

99

0.91

29

0.85

31

0.83

54

0.81

63

0.79

34

0.97

95

0.81

83

0.80

36

21L

arge

Mun

icip

al S

ervi

ceT

X0.

8737

0.

9007

0.

9875

0.

8667

1.

0391

0.

9539

0.

9846

0.

8403

0.

8711

0.

8302

0.

8974

0.

7368

22

Lar

ge S

choo

l Ser

vice

TX

0.65

09

1.07

70

1.49

68

0.53

32

0.96

01

0.51

25

1.18

92

0.57

37

0.39

96

0.86

25

0.52

92

0.79

69

23L

arge

Mun

icip

al &

Sch

ool

NM

0.67

02

0.76

68

0.94

12

0.52

94

0.89

96

0.83

66

1.09

35

0.85

27

0.66

56

0.77

36

0.78

16

0.85

50

24Ir

riga

tion

Ser

vice

NM

0.91

69

0.79

77

0.49

27

0.44

91

3.33

19

1.69

94

3.78

93

1.96

51

8.44

45

0.83

73

0.82

18

0.63

79

25S

econ

dary

Gen

eral

TX

, NM

0.72

30

0.77

95

0.87

41

0.67

07

0.92

50

0.82

18

1.00

21

0.88

29

0.71

70

0.78

94

0.70

45

0.75

25

26P

rim

ary

Gen

eral

TX

, NM

0.96

14

0.96

06

0.99

46

0.95

51

0.96

30

0.96

51

1.03

28

0.97

91

1.01

96

0.99

44

0.90

22

0.97

70

Loa

d F

acto

rs

Coi

nci

den

t P

eak

Loa

d F

acto

rs

Schedule O-U1.3 Page 17 of 17

Sponsors: Luth, Marks Docket No. 49831

0338

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

ed U

pd

ated

Tes

t Y

ear

Dat

a b

y R

ate

Cla

ss

Lin

e

No.

Des

crip

tion

Jul-

18A

ug-

18S

ep-1

8O

ct-1

8N

ov-1

8D

ec-1

8Ja

n-1

9F

eb-1

9M

ar-1

9A

pr-

19M

ay-1

9Ju

n-1

94-

CP

Max

Pea

k1

TE

XA

S R

ET

AIL

2R

esid

enti

al S

ervi

ce63

9,82

7

60

0,70

0

52

1,02

3

40

7,92

3

35

7,07

5

34

2,89

4

43

9,45

8

36

2,54

2

305,

851

281,

012

328,

367

637,

509

599 ,

765

639,

827

3R

esid

enti

al S

pace

Hea

tin g

128,

169

119,

291

102,

737

88,6

81

106,

299

115,

494

129,

030

154,

523

12

5,24

6

49

,626

75,7

71

117,

175

116 ,

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154,

523

4R

esid

enti

al S

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ce -

Tim

e of

Use

-

-

-

-

-

-

-

-

-

-

-

-

-

-

5S

mal

l Mun

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nd S

choo

l Ser

vice

3,82

7

3,

243

2,40

6

3,

059

3,06

3

3,

774

3,41

5

3,

372

2,99

7

2,

198

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786

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6S

mal

l Mun

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choo

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- T

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7

Lar

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00

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8L

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onda

ry -

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e of

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-

-

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-

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-

-

-

9L

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mar

y4,

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3,

781

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460

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977

3,65

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125

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10

Lar

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11

Lar

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-

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13L

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76,6

45

61,5

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-

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17

Sec

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5,70

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(Lar

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Sou

rce

Schedule O-U1.4 Page 1 of 17

Sponsors: Luth, Mark Docket No. 49831

0339

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

ed U

pd

ated

Tes

t Y

ear

Dat

a b

y R

ate

Cla

ss

Des

crip

tion

Jul-

18A

ug-

18S

ep-1

8O

ct-1

8N

ov-1

8D

ec-1

8Ja

n-1

9F

eb-1

9M

ar-1

9A

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Schedule O-U1.4 Page 2 of 17

Sponsors: Luth, Mark Docket No. 49831

0340

Sou

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Com

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Schedule O-U1.4 Page 3 of 17

Sponsors: Luth, Mark Docket No. 49831

0341

Sou

thw

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lic

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vice

Com

pan

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Schedule O-U1.4 Page 4 of 17

Sponsors: Luth, Mark Docket No. 49831

0342

Sou

thw

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ub

lic

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Com

pan

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Mon

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3,

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2,

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9

2,

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4,28

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10L

arge

Mun

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Pri

mar

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Tim

e of

Use

-

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-

-

-

-

-

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-

-

-

11L

arge

Sch

ool S

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Sec

onda

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Sch

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13L

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8

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3

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14L

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mar

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Tim

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15S

mal

l Gen

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vice

76,2

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17S

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dary

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eral

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vice

483,

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eral

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21P

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eral

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vice

261,

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263,

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1,33

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23P

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24P

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tor

49

42

35

59

20

16

18

20

20

26

24

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36

59

25L

GS

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rans

69

to 1

15 k

V73

,385

72

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73

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75

,918

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69

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69

,289

74

,162

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,869

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77

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76

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7,

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27L

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115

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Schedule O-U1.4 Page 5 of 17

Sponsors: Luth, Mark Docket No. 49831

0343

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

ed U

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Schedule O-U1.4 Page 6 of 17

Sponsors: Luth, Mark Docket No. 49831

0344

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

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65,3

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17

Sec

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18

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25L

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69

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-

-

6

6

-

-

-

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-

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6

32

SA

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ay S

ign

Lig

htin

g-

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-

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12

12

-

-

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-

-

-

12

33S

AS

-4 (

Pri

mar

y G

ener

al S

ervi

ce V

olta

ge)

22,7

21

23,9

80

21,7

50

19,6

23

13,5

20

1,75

2

9,35

0

8,92

3

10,8

30

18,4

86

12,8

83

19,9

73

22,1

06

23,9

80

34S

AS

-8 (

Pri

mar

y G

ener

al S

ervi

ce V

olta

ge)

5,06

4

5,19

3

4,64

8

4,21

6

5,26

3

5,04

1

5,73

6

4,90

3

5,64

4

5,08

7

4,17

2

4,31

4

4,80

5

5,73

6

35S

AS

-12

(Lar

ge G

ener

al S

ervi

ce -

Tra

nsm

issi

on 6

9 kV

Vol

tage

)66

,670

63

,059

63

,612

64

,448

64

,583

64

,337

63

,648

62

,118

57

,009

60

,661

59

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62

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63

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66

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otal

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as R

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787,

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425

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just

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ent

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ks

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ran

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t T

he

Met

er

Schedule O-U1.4 Page 7 of 17

Sponsors: Luth, Mark Docket No. 49831

0345

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

ed U

pd

ated

Tes

t Y

ear

Dat

a b

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Des

crip

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63

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62

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62

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69

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68

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Pub

lic

Aut

hori

ty24

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17

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,502

41

Lig

htin

g-

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3,

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3,

281

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-

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281

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otal

New

Mex

ico

Ret

ail

996,

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0

813,

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865,

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87

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83

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8,05

8

956,

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43T

OT

AL

SP

S R

ET

AIL

3,25

0,96

6

3,06

6,64

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2,84

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2,73

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6

2,52

7,44

4

2,67

2,29

0

2,59

2,37

2

2,60

4,68

2

2,55

6,34

8

2,63

7,16

6

2,70

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3,08

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8

3,06

2,67

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3,25

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7

44T

otal

Wh

oles

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2,56

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2,28

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1,88

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1,41

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1,27

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1,28

3,61

4

1,23

6,23

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1,27

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7

1,36

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6

1,48

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1,72

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OT

AL

SP

S5,

703,

528

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356,

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731,

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154,

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802,

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955,

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828,

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878,

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924,

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118,

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just

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oin

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ent

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ks

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ran

smis

sion

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t T

he

Met

er

Schedule O-U1.4 Page 8 of 17

Sponsors: Luth, Mark Docket No. 49831

0346

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

ed U

pd

ated

Tes

t Y

ear

Dat

a b

y R

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ss

Lin

e

No.

Des

crip

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Res

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ce H

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12

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11

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93

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15

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15

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10

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87

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15

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4R

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al S

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ce -

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e of

Use

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-

-

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mal

l Mun

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choo

l Ser

vice

4,18

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3,79

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3,28

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6

Sm

all M

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ipal

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ool S

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-

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-

-

7L

arge

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,857

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,303

23

,274

26

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28

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8

Lar

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vice

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9

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9

3,66

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10

Lar

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38,9

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13L

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ool S

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17

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41

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31

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35

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33

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30

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31

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34

8,59

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39

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8

42

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18S

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23

Pri

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512

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601

9,

601

9,

601

9,

601

9,

601

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601

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601

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600

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601

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601

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601

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601

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28,0

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28,4

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24,6

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mar

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ce V

olta

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7,59

4

6,17

2

5,48

7

6,24

4

6,38

7

6,64

0

6,62

1

6,54

1

6,70

9

6,31

1

7,22

7

7,07

7

7,59

4

35S

AS

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At

Th

e S

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e

Schedule O-U1.4 Page 9 of 17

Sponsors: Luth, Mark Docket No. 49831

0347

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

ed U

pd

ated

Tes

t Y

ear

Dat

a b

y R

ate

Cla

ss

Des

crip

tion

Jul-

18A

ug-

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ct-1

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30

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23

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lic

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9

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ET

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Wh

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-

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512,

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141,

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At

Th

e S

ourc

e

Schedule O-U1.4 Page 10 of 17

Sponsors: Luth, Mark Docket No. 49831

0348

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

ed U

pd

ated

Tes

t Y

ear

Dat

a b

y R

ate

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ss

Lin

e

No.

Des

crip

tion

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ug-

18S

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Res

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625,

150

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8

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Sponsors: Luth, Mark Docket No. 49831

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Sponsors: Luth, Mark Docket No. 49831

0350

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Schedule O-U1.4 Page 13 of 17

Sponsors: Luth, Mark Docket No. 49831

0351

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

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Schedule O-U1.4 Page 14 of 17

Sponsors: Luth, Mark Docket No. 49831

0352

Sou

thw

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rn P

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lic

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Com

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Mon

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Schedule O-U1.4 Page 15 of 17

Sponsors: Luth, Mark Docket No. 49831

0353

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

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Schedule O-U1.4 Page 16 of 17

Sponsors: Luth, Mark Docket No. 49831

0354

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Mon

thly

Ad

just

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pd

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a b

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Sta

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g-18

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Nov

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May

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Schedule O-U1.4 Page 17 of 17

Sponsors: Luth, Mark Docket No. 49831

0355

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Sys

tem

In

form

atio

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(1)

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Schedule O-U1.5 Page 1 of 2

Sponsor: Weeks Docket No. 49831

0356

Sou

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Schedule O-U1.5 Page 2 of 2

Sponsor: Weeks Docket No. 49831

0357

Southwestern Public Service Company

System Load Factor

Line Total Monthly MaxNo. Month Load Factor MWh Hours Load

1 July 2018 69.2 2,391,880 744 4648.02 August 2018 71.7 2,340,811 744 4391.03 September 2018 74.0 2,105,348 720 3950.04 October 2018 71.3 2,048,644 744 3863.05 November 2018 78.5 2,017,675 720 3571.06 December 2018 80.2 2,176,946 744 3650.07 January 2019 80.9 2,174,386 744 3614.08 February 2019 78.9 1,929,377 672 3638.09 March 2019 74.3 2,058,963 744 3727.010 April 2019 78.2 1,953,671 720 3471.011 May 2019 77.6 2,081,734 744 3607.012 June 2019 79.0 2,242,756 720 3944.0

13 Updated Test Year 62.7 25,522,191 8,760 4648.0

Schedule O-U1.6 Page 1 of 1

Sponsor: Weeks Docket No. 49831

0358

Southwestern Public Service

Adjustments to Billing Demand

Line Adjusted TME Jun 19 Unadjusted TME Jun 19No. Billing Demand Adjustments Billing Demand

Residential Services1 Residential Service2 Residential Space Heating

3 Residential Service - Time of Use

4 Residential Total

Small Commercial & Industrial Services5 Small General Service6 Small General Service - Time of Use

Large Commercial & Industrial ServicesSecondary General Service

7 Summer Monthly kW 2,285,043.93 52,388.20 2,232,655.72 8 Winter Monthly kW 3,768,781.31 81,420.97 3,687,360.35

9 Total Monthly kW 6,053,825.24 133,809.17 5,920,016.07

Secondary General Service - Time of Use10 Summer Monthly kW 4,149.00 - 4,149.00 11 Winter Monthly kW 200,303.00 - 200,303.00

12 Total Monthly kW 204,452.00 - 204,452.00

Secondary General Service - Low Load Factor13 Summer Monthly kW - - - 14 Winter Monthly kW - - -

15 Total Monthly kW - - -

Primary General Service16 Summer Monthly kW 1,263,307.36 (10,728.71) 1,274,036.07 17 Winter Monthly kW 2,500,275.17 (10,285.08) 2,510,560.25

18 Total Monthly kW 3,763,582.53 (21,013.78) 3,784,596.31

Primary General Service - Time of Use19 Summer Monthly kW - - - 20 Winter Monthly kW - - -

21 Total Monthly kW - - -

Primary General Service - Low Load Factor22 Summer Monthly kW 9,049.00 - 9,049.00 23 Winter Monthly kW 25,927.00 - 25,927.00

24 Total Monthly kW 34,976.00 - 34,976.00

LGS - Transmission 69 to 115 kV25 Summer Monthly kW 309,335.00 - 309,335.00 26 Winter Monthly kW 625,266.00 - 625,266.00

27 Total Monthly kW 934,601.00 - 934,601.00

LGS - Transmission 115+ kV28 Summer Monthly kW 2,834,199.01 25,580.70 2,808,618.31 29 Winter Monthly kW 5,508,515.90 8,319.90 5,500,196.00

30 Total Monthly kW 8,342,714.91 33,900.60 8,308,814.31

not applicable, not billed for demand

not applicable, not billed for demand

Schedule O-U1.7 Page 1 of 5

Sponsor: Luth Docket No. 49831

0359

Southwestern Public Service

Adjustments to Billing Demand

Line Adjusted TME Jun 19 Unadjusted TME Jun 19No. Billing Demand Adjustments Billing Demand

Secondary QF Standby ServiceReserved Capacity

31 Summer Monthly kW - - - 32 Winter Monthly kW - - -

33 Total Monthly kW - - -

Usage Demand34 Summer Monthly kW - - - 35 Winter Monthly kW - - -

36 Total Monthly kW - - -

Primary QF Standby ServiceReserved Capacity

37 Summer Monthly kW 2,537.00 - 2,537.00 38 Winter Monthly kW 2,144.00 - 2,144.00

39 Total Monthly kW 4,681.00 - 4,681.00

Usage Demand40 Summer Monthly kW 2,138.00 - 2,138.00 41 Winter Monthly kW 5,965.00 - 5,965.00

42 Total Monthly kW 8,103.00 - 8,103.00

LGS - Transmission QF Standby 69 to 115 kVReserved Capacity

43 Summer Monthly kW 40,000.00 - 40,000.00 44 Winter Monthly kW 80,000.00 - 80,000.00

45 Total Monthly kW 120,000.00 - 120,000.00

Usage Demand46 Summer Monthly kW - - - 47 Winter Monthly kW - - -

48 Total Monthly kW - - -

LGS - Transmission QF Standby 115+ kVReserved Capacity

49 Summer Monthly kW 126,391.00 - 126,391.00 50 Winter Monthly kW 233,840.00 - 233,840.00

51 Total Monthly kW 360,231.00 - 360,231.00

Usage Demand52 Summer Monthly kW 102,532.00 - 102,532.00 53 Winter Monthly kW 209,500.00 - 209,500.00

54 Total Monthly kW 312,032.00 - 312,032.00

Schedule O-U1.7 Page 2 of 5

Sponsor: Luth Docket No. 49831

0360

Southwestern Public Service

Adjustments to Billing Demand

Line Adjusted TME Jun 19 Unadjusted TME Jun 19No. Billing Demand Adjustments Billing Demand

SAS-4 (Primary General Service Voltage)55 Summer Monthly kW - - - 56 Winter Monthly kW - - -

57 Total Monthly kW - - -

SAS-8 (Primary General Service Voltage)58 Summer Monthly kW - - - 59 Winter Monthly kW - - -

60 Total Monthly kW - - -

SAS-12 (Large General Service - Transmission 69 kV Voltage)61 Summer Monthly kW 275,298.00 - 275,298.00 62 Winter Monthly kW 528,625.00 - 528,625.00

63 Total Monthly kW 803,923.00 - 803,923.00

Large Commercial & Industrial TotalReserved Capacity

64 Summer Monthly kW 168,928.00 - 168,928.00 65 Winter Monthly kW 315,984.00 - 315,984.00

66 Total Monthly kW 484,912.00 - 484,912.00

Billing Demand67 Summer Monthly kW 7,085,051.30 67,240.20 7,017,811.10 68 Winter Monthly kW 13,373,158.39 79,455.79 13,293,702.60

69 Total Monthly kW 20,458,209.68 146,695.99 20,311,513.69

Public Authority Services70 Small Municipal and School

Large Municipal Service - Secondary71 Summer Monthly kW 168,639.08 1,531.86 167,107.22 72 Winter Monthly kW 315,775.53 7,205.02 308,570.51

73 Total Monthly kW 484,414.60 8,736.88 475,677.72

Large Municipal Service - Secondary - Time of Use74 Summer Monthly kW - - - 75 Winter Monthly kW - - -

76 Total Monthly kW - - -

Large Municipal Service - Primary77 Summer Monthly kW 33,413.36 - 33,413.36 78 Winter Monthly kW 59,229.11 - 59,229.11

79 Total Monthly kW 92,642.47 - 92,642.47

Large Municipal Service - Primary - Time of Use80 Summer Monthly kW - - - 81 Winter Monthly kW - - -

82 Total Monthly kW - - -

not applicable, not billed for demand

Schedule O-U1.7 Page 3 of 5

Sponsor: Luth Docket No. 49831

0361

Southwestern Public Service

Adjustments to Billing Demand

Line Adjusted TME Jun 19 Unadjusted TME Jun 19No. Billing Demand Adjustments Billing Demand

Large School Service - Secondary

83 Summer Monthly kW 252,253.05 3,145.17 249,107.88 84 Winter Monthly kW 412,013.97 8,835.83 403,178.14

85 Total Monthly kW 664,267.02 11,981.00 652,286.02

Large School Service - Secondary - Time of Use

86 Summer Monthly kW - - - 87 Winter Monthly kW - - -

88 Total Monthly kW - - -

Large School Service - Primary

89 Summer Monthly kW 3,384.18 - 3,384.18 90 Winter Monthly kW 5,302.10 - 5,302.10

91 Total Monthly kW 8,686.28 - 8,686.28

Large School Service - Primary - Time of Use

92 Summer Monthly kW - - - 93 Winter Monthly kW - - -

94 Total Monthly kW - - -

Public Authority Total95 Summer Monthly kW 457,689.67 4,677.03 453,012.64 96 Winter Monthly kW 792,320.71 16,040.85 776,279.86

97 Total Monthly kW 1,250,010.38 20,717.88 1,229,292.50

Lighting Services98 Municipal and State Street Lighting99 Guard and Flood Lighting100 SA - Lighting (3 Customers)101 SA - Lighting (Cal Farley's)

102 SA - Highway Sign Lighting

Total Texas RetailReserved Capacity

103 Summer Monthly kW 168,928.00 - 168,928.00 104 Winter Monthly kW 315,984.00 - 315,984.00

105 Total Monthly kW 484,912.00 - 484,912.00

Billing Demand106 Summer Monthly kW 7,542,740.97 71,917.23 7,470,823.74 107 Winter Monthly kW 14,165,479.10 95,496.64 14,069,982.46

108 Total Monthly kW 21,708,220.07 167,413.87 21,540,806.19

TME - Twelve Months Ending

not applicable, not billed for demand

Schedule O-U1.7 Page 4 of 5

Sponsor: Luth Docket No. 49831

0362

Southwestern Public Service

Adjustments to Billing Demand

LineNo. Summer kW Winter kW

Secondary General Service1 Weather Normalization 9,891.50 35,931.08 2 TYE Customer Class Adjustments 42,496.70 45,489.88 3 Other Customer Adjustments - -

4 52,388.20 81,420.97

Secondary General Service - Time of Use5 Weather Normalization - - 6 TYE Customer Class Adjustments - - 7 Other Customer Adjustments - -

8 - -

Primary General Service9 Weather Normalization - - 10 TYE Customer Class Adjustments (10,728.71) (10,285.08) 11 Other Customer Adjustments - -

12 (10,728.71) (10,285.08)

LGS - Transmission 69 to 115 kV13 Weather Normalization - - 14 TYE Customer Class Adjustments - - 15 Other Customer Adjustments - -

16 - -

LGS - Transmission 115+ kV17 Weather Normalization - - 18 TYE Customer Class Adjustments - - 19 Other Customer Adjustments 25,580.70 8,319.90

20 25,580.70 8,319.90

Large Municipal Service - Secondary21 Weather Normalization (103.67) 4,744.31 22 TYE Customer Class Adjustments 1,635.53 2,460.72 23 Other Customer Adjustments - -

24 1,531.86 7,205.02

Large School Service - Secondary

25 Weather Normalization 358.34 5,982.14 26 TYE Customer Class Adjustments 2,786.83 2,853.69 27 Other Customer Adjustments - -

28 3,145.17 8,835.83

Schedule O-U1.7 Page 5 of 5

Sponsor: Luth Docket No. 49831

0363

Southwestern Public Service Company Peak Demand by Rate Class The unadjusted peak demand and Updated Test Year data (July 1, 2018 through June 30, 2019) on an annual and monthly basis for the Total System and the Texas Jurisdiction is contained in Schedule O-U1.3. The adjusted peak demand and Updated Test Year data (July 1, 2018 through June 30, 2019) on an annual and monthly basis for the Total System and the Texas Jurisdiction is contained in Schedule O-U1.4.

Schedule O-U1.9 Page 1 of 1

Sponsors: Luth, Marks Docket No. 49831

0364

Southwestern Public Service Company

Break Down of Rate Class Sales

LineNo. Jurisdiction

Total UnadjustedSales (kWh)

TME June 2019 % of Total

1 Total SPS Retail Sales 20,574,958,999 81.36%2 Total SPS Wholesale Sales 4,713,768,149 18.64%

3 Total SPS Company Sales 25,288,727,148 100.00%

*TME - Twelve months ending

Schedule O-U1.10 Page 1 of 4

Sponsor: Luth Docket No. 49831

0365

Southwestern Public Service Company

Break Down of Rate Class Sales

UnadjustedLine Retail Sales (kWh) NMNo. Customer Class TME June 2019 (%)

1 Residential Service 645,843,472 2 Residential Space Heating 488,821,097 34 Total Residential 1,134,664,569 17.31%

5 Small Muni and School Service 11,357,556 67 Large Muni and School Service 118,718,500 89 Total Public Authority 130,076,055 1.98%

9 Small General Service 156,136,469 10 Irrigation 70,360,036 11 Secondary General Service 723,946,536 12 Primary General Service 1,820,815,030

13 Total General Service 2,771,258,071 42.27%

14 Sub-Transmission Service (69-115kV) 155,803,333 15 BB Transmission Service (>115kV) 2,335,939,974

16 Total Transmission Service 2,491,743,307 38.00%

17 Street Lighting 13,359,990 0.20%18 Area Lighting 15,383,270 0.23%

19 Total Lighting 28,743,260 0.44%

20 Total Retail 6,556,485,262 100.00%21 Percent of Retail 31.87%

Schedule O-U1.10 Page 2 of 4

Sponsor: Luth Docket No. 49831

0366

Southwestern Public Service Company

Break Down of Rate Class Sales

UnadjustedRetail Sales (kWh) TX As Booked SPS

Customer Class TME June 2019 (%) Sales (%)

Residential Service 1,901,610,171 Residential Space Heating 512,883,655

Total Residential 2,414,493,826 17.22% 3,549,158,395 17.25%

Small Municipal and School 20,287,655 Large Municipal Service 175,639,740 Large School Service 159,804,401

Total Public Authority 355,731,796 2.54% 485,807,852 2.36%

Small General Service 279,926,018

Secondary General Service 2,088,708,069 Primary General Service 2,162,091,884

Total General Service 4,530,725,971 32.32% 7,301,984,042 35.49%

LGS - Trans 69 to 115 kV 1,155,485,971 LGS - Transmission 115+ kV 5,504,979,281

Total Transmission Service 6,660,465,252 47.51% 9,152,208,559 44.48%

Municipal and State Street Lighting 33,136,581 0.24% 46,496,571 0.23%Guard and Flood Lighting 23,920,311 0.17% 39,303,581 0.19%

Total Lighting 57,056,892 0.41% 85,800,152 0.42%

Total Retail 14,018,473,737 100.00% 20,574,958,999 100.00%Percent of Retail 68.13% 100.00%

Schedule O-U1.10 Page 3 of 4

Sponsor: Luth Docket No. 49831

0367

Southwestern Public Service Company

Break Down of Rate Class Sales Unadjusted

Line Wholesale Sales (kWh)No. Customer Class TME June 2019 % of Total1 Wholesale Full Requirements 4,643,303,149 98.51%2 Wholesale Partial Requirements 70,465,000 1.49%3 Total Firm Wholesale 4,713,768,149 100.00%

Schedule O-U1.10 Page 4 of 4

Sponsor: Luth Docket No. 49831

0368

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mar

y G

ener

al

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vice

LG

S -

T

ran

smis

sion

69

to

115

kV

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11

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kV

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all M

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an

d F

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igh

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g

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tree

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1Ju

l-18

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30,4

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11,8

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1149

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871

913

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9727

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Aug

-18

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53

Sep

-18

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1150

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Oct

-18

174,

868

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772

113

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9727

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85

Nov

-18

175,

010

29,4

9432

,320

11,8

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1151

2,84

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771

913

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0,38

16

Dec

-18

175,

309

29,3

2632

,302

11,8

243,

648

1151

2,84

890

071

813

,451

9727

0,48

57

Jan-

1917

5,85

929

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32,1

5412

,012

3,65

311

512,

863

885

721

13,4

5097

270,

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32,1

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832

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732

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ar-1

917

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830

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730

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ay-1

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128

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32,1

2612

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835

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730

13,4

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271,

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12Ju

n-19

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013

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9427

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Ave

rage

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0,76

1

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e N

o.M

onth

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iden

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ce

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iden

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e H

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all

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mar

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vice

LG

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69

to

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l-17

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Aug

-17

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742

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Sep

-17

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739

1150

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071

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Oct

-17

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724

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Nov

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32,6

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Dec

-17

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719

1150

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188

771

313

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9726

9,33

820

Jan-

1817

1,03

632

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32,8

3811

,746

3,71

611

502,

856

897

721

13,5

7297

269,

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21F

eb-1

817

1,29

831

,939

32,8

1711

,717

3,71

111

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855

896

719

13,5

4297

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652

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ar-1

817

1,70

331

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849

895

719

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8811

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3,69

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846

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720

13,5

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825

24M

ay-1

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2,86

431

,094

32,4

5411

,789

3,67

611

502,

841

896

720

13,4

8897

269,

980

25Ju

n-18

173,

261

30,7

9232

,452

11,7

973,

675

1149

2,83

889

571

813

,491

9727

0,07

626

Ave

rage

170,

843

32,3

6332

,673

11,8

333,

713

1150

2,86

089

371

613

,569

9726

9,62

1

Pre

mis

e S

ervi

ce C

oun

t (2

017-

2018

)

Pre

mis

e S

ervi

ce C

oun

t (2

018-

2019

)

Schedule O-U3.1 Page 1 of 4

Sponsor: Luth Docket No. 49831

0369

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Nu

mb

er o

f C

ust

omer

s

Lin

e N

o.M

onth

Res

iden

tial

S

ervi

ce

Res

iden

tial

S

pac

e H

eati

ng

Sm

all

Gen

eral

S

ervi

ce

Sec

ond

ary

Gen

eral

S

ervi

ce

Pri

mar

y G

ener

al

Ser

vice

LG

S -

T

ran

smis

sion

69

to

115

kV

LG

S -

T

ran

smis

sion

11

5 +

kV

Sm

all M

un

icip

al

and

Sch

ool

Lar

ge

Mu

nic

ipal

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ge

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vice

Gu

ard

an

d F

lood

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igh

tin

g

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nic

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tree

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otal

27Ju

l-16

162,

349

39,6

6332

,577

11,8

503,

863

1151

2,87

092

375

014

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9726

9,70

128

Aug

-16

163,

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38,8

6632

,593

11,8

623,

841

1151

2,86

892

175

014

,684

9726

9,99

929

Sep

-16

163,

916

38,2

0232

,527

11,8

503,

838

1151

2,86

792

075

114

,527

9726

9,55

730

Oct

-16

164,

453

37,6

9732

,572

11,8

633,

830

1151

2,85

791

875

114

,483

9726

9,58

331

Nov

-16

164,

717

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0532

,523

11,8

473,

814

1151

2,85

492

175

214

,306

9726

9,09

832

Dec

-16

165,

224

36,8

0432

,540

11,8

613,

826

1149

2,84

892

574

814

,049

9726

8,98

233

Jan-

1716

5,82

736

,448

32,6

0111

,840

3,81

911

492,

899

882

737

13,9

4297

269,

152

34F

eb-1

716

6,19

936

,165

32,6

1611

,835

3,81

311

502,

890

886

737

13,8

0497

269,

103

35M

ar-1

716

6,88

035

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32,6

4411

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3,78

311

502,

877

888

710

13,7

5497

269,

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pr-1

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7,21

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,363

32,6

4611

,880

3,76

111

502,

881

892

709

13,7

4897

269,

251

37M

ay-1

716

7,82

135

,003

32,6

3511

,890

3,74

711

502,

874

892

712

13,7

1897

269,

450

38Ju

n-17

168,

285

34,5

2732

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743

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2,87

589

171

513

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9726

9,41

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Ave

rage

165,

528

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0732

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2,87

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9,38

3

Res

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e H

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l-15

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Aug

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Sep

-15

155,

395

45,4

9231

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12,2

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039

1150

2,84

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674

014

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9726

8,56

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Oct

-15

155,

368

45,5

2231

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12,2

624,

027

1150

2,84

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674

114

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Nov

-15

155,

349

45,5

2731

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12,2

694,

021

1150

2,84

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874

214

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9726

8,55

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Dec

-15

155,

398

45,5

5531

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12,2

644,

014

1151

2,84

094

074

314

,786

9726

8,67

346

Jan-

1615

5,61

645

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32,4

5711

,796

3,97

411

512,

856

923

744

14,7

6497

268,

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32,4

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862

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747

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866

923

746

14,7

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ay-1

616

0,44

141

,336

32,5

4711

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3,87

511

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866

923

746

14,7

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269,

455

51Ju

n-16

161,

565

40,3

6632

,530

11,8

703,

869

1151

2,87

192

274

914

,689

9726

9,59

052

Ave

rage

157,

041

44,1

1432

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12,0

433,

968

1151

2,85

293

174

414

,770

9726

8,82

2

Pre

mis

e S

ervi

ce C

oun

t (2

016-

2017

)

Pre

mis

e S

ervi

ce C

oun

t (2

015-

2016

)

Schedule O-U3.1 Page 2 of 4

Sponsor: Luth Docket No. 49831

0370

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Nu

mb

er o

f C

ust

omer

s

New

Mex

ico

Lin

e N

o.M

onth

Res

iden

tial

S

ervi

ce

Res

iden

tial

S

pac

e H

eati

ng

Sm

all

Gen

eral

S

ervi

ce

Sec

ond

ary

Gen

eral

S

ervi

ceIr

riga

tion

S

ervi

ce

Pri

mar

y G

ener

al

Ser

vice

LG

S -

T

ran

smis

sion

69

to

115

kV

LG

S -

T

ran

smis

sion

11

5 +

kV

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all

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nic

ipal

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choo

l

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nic

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ard

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igh

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g

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nic

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tree

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66Ju

l-18

59,9

3529

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11,6

513,

643

1,01

34,

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527

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456

19,

062

1912

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Aug

-18

60,0

0129

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11,6

613,

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827

528

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756

29,

073

1912

1,76

168

Sep

-18

60,0

1829

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11,7

013,

689

1,01

64,

831

528

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756

39,

065

1912

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Oct

-18

60,1

4529

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11,6

813,

713

1,01

14,

834

528

1,17

656

49,

075

1912

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Nov

-18

60,2

0329

,758

11,7

653,

740

1,01

14,

844

529

1,17

656

49,

074

1912

2,18

871

Dec

-18

60,2

5529

,744

11,7

653,

752

1,01

04,

853

529

1,17

856

29,

065

1912

2,23

772

Jan-

1960

,384

29,7

5911

,788

3,77

01,

008

4,85

45

291,

177

564

9,06

819

122,

425

73F

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960

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29,7

5811

,819

3,77

91,

006

4,85

55

291,

170

566

9,05

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ar-1

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3,80

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4,84

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291,

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9,06

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29,7

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mar

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to

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nic

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tree

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otal

78Ju

l-17

58,9

5729

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1,01

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1,17

256

09,

141

1912

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Aug

-17

59,1

1929

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11,5

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1,01

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793

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1,17

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163

1912

0,60

780

Sep

-17

59,2

4329

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11,5

343,

506

1,01

64,

782

528

1,17

055

99,

163

1912

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Oct

-17

59,3

1429

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11,5

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509

1,01

54,

778

528

1,16

956

19,

174

1912

0,81

182

Nov

-17

59,2

9829

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11,5

563,

512

1,01

24,

764

529

1,16

556

39,

160

1912

0,75

183

Dec

-17

59,3

6729

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11,5

753,

523

1,01

24,

756

526

1,16

856

19,

126

1912

0,80

984

Jan-

1859

,490

29,6

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,614

3,54

91,

012

4,78

95

261,

172

562

9,13

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4,79

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261,

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ar-1

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011

4,80

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261,

175

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pr-1

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29,6

9411

,630

3,58

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4,82

95

261,

176

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9,08

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ay-1

859

,785

29,7

1511

,645

3,60

01,

013

4,81

55

271,

176

564

9,10

219

121,

466

89Ju

n-18

59,8

2729

,718

11,6

243,

612

1,01

44,

813

527

1,17

456

39,

076

1912

1,47

290

Ave

rage

59,4

3429

,685

11,5

893,

545

1,01

34,

795

527

1,17

256

29,

130

1912

0,97

7

Pre

mis

e S

ervi

ce C

oun

t (2

017-

2018

)

Pre

mis

e S

ervi

ce C

oun

t (2

018-

2019

)

Schedule O-U3.1 Page 3 of 4

Sponsor: Luth Docket No. 49831

0371

Sou

thw

este

rn P

ub

lic

Ser

vice

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Schedule O-U3.1 Page 4 of 4

Sponsor: Luth Docket No. 49831

0372

Southwestern Public Service Company

Other Customer Adjustment Information

LineNo. RTX RSHTX SGS SG PG SMS LMS PRI LMS SEC LSS PRI LSS SEC1 Jul-18 1.019043 0.925550 0.988514 1.025234 0.987715 0.998943 1.000000 1.011299 1.000000 1.0153852 Aug-18 1.016411 0.934721 0.989672 1.024798 0.989065 0.995784 1.000000 1.013590 1.000000 1.0139663 Sep-18 1.015508 0.941836 0.990710 1.024276 0.990419 0.997185 1.000000 1.013590 1.000000 1.0125524 Oct-18 1.012935 0.949956 0.991567 1.023581 0.993956 0.997185 1.000000 1.012443 1.000000 1.0125525 Nov-18 1.012114 0.956398 0.993193 1.024276 0.995323 0.995084 1.000000 1.012443 1.000000 1.0153856 Dec-18 1.010387 0.961877 0.993747 1.023929 0.996420 0.995084 1.000000 1.009019 1.000000 1.0168077 Jan-19 1.007227 0.967552 0.998321 1.007851 0.995050 0.989871 1.000000 1.026376 1.000000 1.0125528 Feb-19 1.006232 0.973159 0.999564 1.004077 0.997519 1.000706 1.000000 1.003363 1.000000 0.9972539 Mar-19 1.004725 0.978595 0.999626 1.003576 0.997244 1.001413 1.000000 1.002240 1.000000 1.00000010 Apr-19 1.003194 0.984813 0.998942 1.001993 0.995871 0.999647 1.000000 0.998884 1.000000 1.00000011 May-19 1.001068 0.992436 0.999191 1.000497 0.996145 0.999647 1.000000 0.998884 1.000000 1.00000012 Jun-19 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000

1314 RTX RSHTX SGS SG PG SMS LMS PRI LMS SEC LSS PRI LSS SEC15 Jul-18 0.019043 -0.074450 -0.011486 0.025234 -0.012285 -0.001057 0.000000 0.011299 0.000000 0.01538516 Aug-18 0.016411 -0.065279 -0.010328 0.024798 -0.010935 -0.004216 0.000000 0.013590 0.000000 0.01396617 Sep-18 0.015508 -0.058164 -0.009290 0.024276 -0.009581 -0.002815 0.000000 0.013590 0.000000 0.01255218 Oct-18 0.012935 -0.050044 -0.008433 0.023581 -0.006044 -0.002815 0.000000 0.012443 0.000000 0.01255219 Nov-18 0.012114 -0.043602 -0.006807 0.024276 -0.004677 -0.004916 0.000000 0.012443 0.000000 0.01538520 Dec-18 0.010387 -0.038123 -0.006253 0.023929 -0.003580 -0.004916 0.000000 0.009019 0.000000 0.01680721 Jan-19 0.007227 -0.032448 -0.001679 0.007851 -0.004950 -0.010129 0.000000 0.026376 0.000000 0.01255222 Feb-19 0.006232 -0.026841 -0.000436 0.004077 -0.002481 0.000706 0.000000 0.003363 0.000000 -0.00274723 Mar-19 0.004725 -0.021405 -0.000374 0.003576 -0.002756 0.001413 0.000000 0.002240 0.000000 0.00000024 Apr-19 0.003194 -0.015187 -0.001058 0.001993 -0.004129 -0.000353 0.000000 -0.001116 0.000000 0.00000025 May-19 0.001068 -0.007564 -0.000809 0.000497 -0.003855 -0.000353 0.000000 -0.001116 0.000000 0.00000026 Jun-19 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000 0.000000

Texas Monthly Customer Count, as a percentage of June-19 count

kWh Adjustment Required

Customer Count Adjustments

Schedule O-U3.3 Page 1 of 4

Sponsor: Luth Docket No. 49831

0373

Southwestern Public Service Company

Other Customer Adjustment Information

LineNo. Month RSHTX RTX1 Jul-18 30,477 173,820 2 Aug-18 30,178 174,270 3 Sep-18 29,950 174,425 4 Oct-18 29,694 174,868 5 Nov-18 29,494 175,010 6 Dec-18 29,326 175,309 7 Jan-19 29,154 175,859 8 Feb-19 28,986 176,033 9 Mar-19 28,825 176,297

10 Apr-19 28,643 176,566 11 May-19 28,423 176,941 12 Jun-19 28,208 177,130

13 29,280 175,544 12 month average14 351,358 2,106,528 12 month total15 338,496 2,125,560 12 month total - annualized Jun 19 count

16 (12,862) 19,032 Customer count adjustment

17 Month18 Jul-18 0.925550 1.01904319 Aug-18 0.934721 1.01641120 Sep-18 0.941836 1.01550821 Oct-18 0.949956 1.01293522 Nov-18 0.956398 1.01211423 Dec-18 0.961877 1.01038724 Jan-19 0.967552 1.00722725 Feb-19 0.973159 1.00623226 Mar-19 0.978595 1.00472527 Apr-19 0.984813 1.00319428 May-19 0.992436 1.00106829 Jun-19 1.000000 1.000000

Customer Class

Customer Count as a percentage of June-19 count

Customer Count AdjustmentsResidential Space Heating (RSHTX) and Residential General (RTX) Service

Schedule O-U3.3 Page 2 of 4

Sponsor: Luth Docket No. 49831

0374

Southwestern Public Service Company

Other Customer Adjustment Information

LineNo. Month SGS SG PG1 Jul-18 32,473 11,770 3,663 2 Aug-18 32,435 11,775 3,658 3 Sep-18 32,401 11,781 3,653 4 Oct-18 32,373 11,789 3,640 5 Nov-18 32,320 11,781 3,635 6 Dec-18 32,302 11,785 3,631 7 Jan-19 32,154 11,973 3,636 8 Feb-19 32,114 12,018 3,627 9 Mar-19 32,112 12,024 3,628

10 Apr-19 32,134 12,043 3,633 11 May-19 32,126 12,061 3,632 12 Jun-19 32,100 12,067 3,618

13 32,254 11,906 3,638 12 month average14 387,044 142,867 43,654 12 month total15 385,200 144,804 43,416 12 month total - annualized Jun 19 count

16 (1,844) 1,937 (238) Customer count adjustment

1718 Month SGS SG PG19 Jul-18 0.988514 1.025234 0.98771520 Aug-18 0.989672 1.024798 0.98906521 Sep-18 0.990710 1.024276 0.99041922 Oct-18 0.991567 1.023581 0.99395623 Nov-18 0.993193 1.024276 0.99532324 Dec-18 0.993747 1.023929 0.99642025 Jan-19 0.998321 1.007851 0.99505026 Feb-19 0.999564 1.004077 0.99751927 Mar-19 0.999626 1.003576 0.99724428 Apr-19 0.998942 1.001993 0.99587129 May-19 0.999191 1.000497 0.99614530 Jun-19 1.000000 1.000000 1.000000

Customer Class

Customer Count as a percentage of June-19 count

Small General (SGS), Secondary General (SG), and Primary General (PG) ServiceCustomer Count Adjustments

Schedule O-U3.3 Page 3 of 4

Sponsor: Luth Docket No. 49831

0375

Southwestern Public Service Company

Other Customer Adjustment Information

LineNo. Month SMSS LMS PRI LMS SEC LSS PRI LSS SEC1 Jul-18 2,837 13 885 4 715 2 Aug-18 2,846 13 883 4 716 3 Sep-18 2,842 13 883 4 717 4 Oct-18 2,842 13 884 4 717 5 Nov-18 2,848 13 884 4 715 6 Dec-18 2,848 13 887 4 714 7 Jan-19 2,863 13 872 4 717 8 Feb-19 2,832 13 892 4 728 9 Mar-19 2,830 13 893 4 726

10 Apr-19 2,835 13 896 4 726 11 May-19 2,835 13 896 4 726 12 Jun-19 2,834 13 895 4 726

13 2,841 13 888 4 720 12 month average14 34,092 156 10,650 48 8,643 12 month total15 34,008 156 10,740 48 8,712 12 month total - annualized Jun 19 count

16 (84) - 90 - 69 Customer count adjustment

1718 Month SMSS LMS PRI LMS SEC LSS PRI LSS SEC19 Jul-18 0.998943 1.000000 1.011299 1.000000 1.01538520 Aug-18 0.995784 1.000000 1.013590 1.000000 1.01396621 Sep-18 0.997185 1.000000 1.013590 1.000000 1.01255222 Oct-18 0.997185 1.000000 1.012443 1.000000 1.01255223 Nov-18 0.995084 1.000000 1.012443 1.000000 1.01538524 Dec-18 0.995084 1.000000 1.009019 1.000000 1.01680725 Jan-19 0.989871 1.000000 1.026376 1.000000 1.01255226 Feb-19 1.000706 1.000000 1.003363 1.000000 0.99725327 Mar-19 1.001413 1.000000 1.002240 1.000000 1.00000028 Apr-19 0.999647 1.000000 0.998884 1.000000 1.00000029 May-19 0.999647 1.000000 0.998884 1.000000 1.00000030 Jun-19 1.000000 1.000000 1.000000 1.000000 1.000000

Customer Class

Customer Count as a percentage of June-19 count

Small Municipal and Schools (SMSS), Large Municipal (LMS), and Large School (LSS) ServiceCustomer Count Adjustments

Schedule O-U3.3 Page 4 of 4

Sponsor: Luth Docket No. 49831

0376

Southwestern Public Service Company

kWh Sales and kW Demand

1. Unadjusted Test Year Revenues

LineNo. Customer Class kWh Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service 1,900,993,858 162,404,882$ 43,982,606$ 206,387,488$ 2 Residential Service Time of Use 616,313 48,993 14,255 63,248 3 Residential Space Heating 512,883,655 34,636,006 11,860,154 46,496,160 4 Small Municipal and School 20,287,655 1,466,906 469,084 1,935,990 5 Small Municipal and School Time of Use - - - - 6 Large Municipal Service - Secondary 150,848,625 6,262,604 3,489,323 9,751,927 7 Large Municipal Service - Primary 24,791,115 1,162,468 562,911 1,725,379 8 Large Municipal Service Time of Use - Secondary - - - - 9 Large Municipal Service Time of Use - Primary - - - -

10 Large School Service - Secondary 157,121,164 10,115,805 3,633,960 13,749,765 11 Large School Service - Primary 2,683,237 123,457 60,923 184,380 12 Large School Service Time of Use - Secondary - - - - 13 Large School Service Time of Use - Primary - - - - 14 Small General Service 279,926,018 20,861,312 6,476,854 27,338,166 15 Small General Service Time of Use - - - - 16 Secondary General Service 2,014,215,165 107,104,997 46,602,431 153,707,428 17 Secondary General Service Time of Use 74,492,905 3,337,664 1,717,815 5,055,479 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service 1,995,605,857 62,956,182 45,284,737 108,240,919 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor 1,110,278 252,881 25,193 278,074 23 Primary QF Standby Service 1,000,588 151,451 22,693 174,144 24 LGS - Transmission 69 to 115 kV 1,152,388,974 22,966,295 24,571,209 47,537,504 25 LGS - Transmission QF Standby 69 to 115 kV 3,096,997 771,155 65,909 837,064 26 LGS - Transmission 115+ kV 5,343,620,395 101,926,863 113,081,465 215,008,328 27 LGS - Transmission QF Standby 115+ kV 161,358,886 5,591,980 3,414,653 9,006,633 28 Municipal and State Street Lighting 33,029,301 3,968,188 763,737 4,731,925 29 Guard and Flood Lighting 23,866,283 3,954,922 551,860 4,506,782 30 SA - Lighting (3 Customers) 54,028 5,522 1,249 6,771 31 SA - Highway Sign Lighting 107,280 3,552 2,481 6,033 32 SAS-4 (Primary General Service Voltage) 121,738,286 2,786,255 2,764,760 5,551,015 33 SAS-8 (Primary General Service Voltage) 42,636,875 422,268 967,366 1,389,634

34 Total Texas Retail 14,018,473,737 553,282,608$ 310,387,627$ 863,670,234$

NEW MEXICO RETAIL35 Residential 1,134,664,569 -$ -$ -$ 36 Commercial & Industrial 5,263,001,378 - - - 37 Public Authority 130,076,055 - - - 38 Lighting 28,743,260 - - -

39 Total New Mexico Retail 6,556,485,262 -$ -$ -$

40 Total SPS Retail 20,574,958,999 553,282,608$ 310,387,627$ 863,670,234$

41 Wholesale 4,713,768,149 -$ -$ -$

42 TOTAL SPS 25,288,727,148 553,282,608$ 310,387,627$ 863,670,234$

Revenue

Schedule O-U4.1 Page 1 of 9

Sponsor: Luth Docket No. 49831

0377

Southwestern Public Service Company

kWh Sales and kW Demand

2. Revenues Associated With Any Rate Annualization Adjustments

LineNo. Customer Class kWh Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service - -$ -$ -$ 2 Residential Service Time of Use - - - 3 Residential Space Heating - - - - 4 Small Municipal and School - - - - 5 Small Municipal and School Time of Use - - - 6 Large Municipal Service - Secondary - - - - 7 Large Municipal Service - Primary - - - 8 Large Municipal Service Time of Use - Secondary - - - 9 Large Municipal Service Time of Use - Primary - - -

10 Large School Service - Secondary - - - - 11 Large School Service - Primary - - - 12 Large School Service Time of Use - Secondary - - - 13 Large School Service Time of Use - Primary - - - 14 Small General Service - - - - 15 Small General Service Time of Use - - - - 16 Secondary General Service - - - - 17 Secondary General Service Time of Use - - - - 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service - - - - 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor - - - - 23 Primary QF Standby Service - - - - 24 LGS - Transmission 69 to 115 kV - - - - 25 LGS - Transmission QF Standby 69 to 115 kV - - - - 26 LGS - Transmission 115+ kV - - - - 27 LGS - Transmission QF Standby 115+ kV - - - - 28 Municipal and State Street Lighting - - - - 29 Guard and Flood Lighting - - - - 30 SA - Lighting (3 Customers) - - - - 31 SA - Highway Sign Lighting - - - - 32 SAS-4 (Primary General Service Voltage) - - - - 33 SAS-8 (Primary General Service Voltage) - - - -

34 Total Texas Retail - -$ -$ -$

NEW MEXICO RETAIL35 Residential - -$ -$ -$ 36 Commercial & Industrial - - - - 37 Public Authority - - - - 38 Lighting - - - -

39 Total New Mexico Retail - -$ -$ -$

40 Total SPS Retail - -$ -$ -$

41 Wholesale - -$ -$ -$

42 TOTAL SPS - -$ -$ -$

Revenue

Schedule O-U4.1 Page 2 of 9

Sponsor: Luth Docket No. 49831

0378

Southwestern Public Service Company

kWh Sales and kW Demand

3. Revenues Associated With kWh Customer Adjustments

LineNo. Customer Class kWh Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service 18,418,162 1,585,839$ 426,632$ 2,012,471$ 2 Residential Service Time of Use - - - - 3 Residential Space Heating (19,263,705) (1,371,023) (445,940) (1,816,963) 4 Small Municipal and School (56,122) (3,895) (1,297) (5,192) 5 Small Municipal and School Time of Use - - - - 6 Large Municipal Service - Secondary 1,305,722 12,375 30,216 42,591 7 Large Municipal Service - Primary - - - - 8 Large Municipal Service Time of Use - Secondary - - - - 9 Large Municipal Service Time of Use - Primary - - - -

10 Large School Service - Secondary 1,345,176 15,043 31,141 46,184 11 Large School Service - Primary - - - - 12 Large School Service Time of Use - Secondary - - - - 13 Large School Service Time of Use - Primary - - - - 14 Small General Service (1,489,594) (111,881) (34,532) (146,413) 15 Small General Service Time of Use - - - - 16 Secondary General Service 30,298,006 285,396 701,631 987,027 17 Secondary General Service Time of Use - - - - 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service (11,100,014) (80,079) (252,254) (332,333) 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor - - - - 23 Primary QF Standby Service - - - - 24 LGS - Transmission 69 to 115 kV - - - - 25 LGS - Transmission QF Standby 69 to 115 kV - - - - 26 LGS - Transmission 115+ kV - - - - 27 LGS - Transmission QF Standby 115+ kV - - - - 28 Municipal and State Street Lighting - - - - 29 Guard and Flood Lighting - - - - 30 SA - Lighting (3 Customers) - - - - 31 SA - Highway Sign Lighting - - - - 32 SAS-4 (Primary General Service Voltage) - - - - 33 SAS-8 (Primary General Service Voltage) - - - -

34 Total Texas Retail 19,457,631 331,775$ 455,596$ 787,371$

NEW MEXICO RETAIL35 Residential 5,526,579 -$ -$ -$ 36 Commercial & Industrial 32,502,683 - - - 37 Public Authority 496,111 - - - 38 Lighting - - - -

39 Total New Mexico Retail 38,525,373 -$ -$ -$

40 Total SPS Retail 57,983,004 331,775$ 455,596$ 787,371$

41 Wholesale - -$ -$ -$

42 TOTAL SPS 57,983,004 331,775$ 455,596$ 787,371$

Revenue

Schedule O-U4.1 Page 3 of 9

Sponsor: Luth Docket No. 49831

0379

Southwestern Public Service Company

kWh Sales and kW Demand

4. Revenues Associated With kW Customer Adjustments

LineNo. Customer Class kW Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service - -$ -$ -$ 2 Residential Service Time of Use - - - - 3 Residential Space Heating - - - - 4 Small Municipal and School - - - - 5 Small Municipal and School Time of Use - - - - 6 Large Municipal Service - Secondary 4,096 40,972 - 40,972 7 Large Municipal Service - Primary - - - - 8 Large Municipal Service Time of Use - Secondary - - - - 9 Large Municipal Service Time of Use - Primary - - - -

10 Large School Service - Secondary 5,641 71,897 - 71,897 11 Large School Service - Primary - - - - 12 Large School Service Time of Use - Secondary - - - - 13 Large School Service Time of Use - Primary - - - - 14 Small General Service - - - - 15 Small General Service Time of Use - - - - 16 Secondary General Service 87,987 1,277,386 - 1,277,386 17 Secondary General Service Time of Use - - - - 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service (21,014) (258,402) - (258,402) 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor - - - - 23 Primary QF Standby Service - - - - 24 LGS - Transmission 69 to 115 kV - - - - 25 LGS - Transmission QF Standby 69 to 115 kV - - - - 26 LGS - Transmission 115+ kV - - - - 27 LGS - Transmission QF Standby 115+ kV - - - - 28 Municipal and State Street Lighting - - - - 29 Guard and Flood Lighting - - - - 30 SA - Lighting (3 Customers) - - - - 31 SA - Highway Sign Lighting - - - - 32 SAS-4 (Primary General Service Voltage) - - - - 33 SAS-8 (Primary General Service Voltage) - - - -

34 Total Texas Retail 76,710 1,131,853$ -$ 1,131,853$

NEW MEXICO RETAIL35 Residential - -$ -$ -$ 36 Commercial & Industrial - - - - 37 Public Authority - - - - 38 Lighting - - - -

39 Total New Mexico Retail - - - -

40 Total SPS Retail 76,710 1,131,853$ -$ 1,131,853$

41 Wholesale - -$ -$ -$

42 TOTAL SPS 76,708 1,131,853$ -$ 1,131,853$

Revenue

Schedule O-U4.1 Page 4 of 9

Sponsor: Luth Docket No. 49831

0380

Southwestern Public Service Company

kWh Sales and kW Demand

5. Revenues Associated With kWh Weather Adjustments

LineNo. Customer Class kWh Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service 26,983,537 2,057,936$ 625,294$ 2,683,230$ 2 Residential Service Time of Use - - - - 3 Residential Space Heating (1,295,948) 4,401 (29,428) (25,027) 4 Small Municipal and School 221,225 10,949 5,111 16,060 5 Small Municipal and School Time of Use - - - - 6 Large Municipal Service - Secondary 1,412,481 10,865 32,562 43,427 7 Large Municipal Service - Primary - - - - 8 Large Municipal Service Time of Use - Secondary - - - - 9 Large Municipal Service Time of Use - Primary - - - -

10 Large School Service - Secondary 1,571,304 15,048 36,247 51,295 11 Large School Service - Primary - - - - 12 Large School Service Time of Use - Secondary - - - - 13 Large School Service Time of Use - Primary - - - - 14 Small General Service 1,455,755 90,440 33,776 124,216 15 Small General Service Time of Use - - - - 16 Secondary General Service 15,303,670 119,108 353,575 472,683 17 Secondary General Service Time of Use - - - - 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service - - - - 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor - - - - 23 Primary QF Standby Service - - - - 24 LGS - Transmission 69 to 115 kV - - - - 25 LGS - Transmission QF Standby 69 to 115 kV - - - - 26 LGS - Transmission 115+ kV - - - - 27 LGS - Transmission QF Standby 115+ kV - - - - 28 Municipal and State Street Lighting - - - - 29 Guard and Flood Lighting - - - - 30 SA - Lighting (3 Customers) - - - - 31 SA - Highway Sign Lighting - - - - 32 SAS-4 (Primary General Service Voltage) 32,724 649 705 1,354 33 SAS-8 (Primary General Service Voltage) - - - -

34 Total Texas Retail 45,684,748 2,309,396$ 1,057,841$ 3,367,237$

NEW MEXICO RETAIL35 Residential (457,508) -$ -$ -$ 36 Commercial & Industrial (3,157,065) - - - 37 Public Authority (332,393) - - - 38 Lighting - - - -

39 Total New Mexico Retail (3,946,966) - - -

40 Total SPS Retail 41,737,781 2,309,396$ 1,057,841$ 3,367,237$

41 Wholesale (17,896,643) -$ -$ -$

42 TOTAL SPS 23,841,136 2,309,396$ 1,057,841$ 3,367,237$

Revenue

Schedule O-U4.1 Page 5 of 9

Sponsor: Luth Docket No. 49831

0381

Southwestern Public Service Company

kWh Sales and kW Demand

6. Revenues Associated With kW Weather Adjustments

LineNo. Customer Class kW Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service - -$ -$ -$ 2 Residential Service Time of Use - - - - 3 Residential Space Heating - - - - 4 Small Municipal and School - - - - 5 Small Municipal and School Time of Use - - - - 6 Large Municipal Service - Secondary 4,641 42,563 - 42,563 7 Large Municipal Service - Primary - - - - 8 Large Municipal Service Time of Use - Secondary - - - - 9 Large Municipal Service Time of Use - Primary - - - -

10 Large School Service - Secondary 6,340 74,022 - 74,022 11 Large School Service - Primary - - - - 12 Large School Service Time of Use - Secondary - - - - 13 Large School Service Time of Use - Primary - - - - 14 Small General Service - - - - 15 Small General Service Time of Use - - - - 16 Secondary General Service 45,823 640,035 - 640,035 17 Secondary General Service Time of Use - - - - 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service - - - - 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor - - - - 23 Primary QF Standby Service - - - - 24 LGS - Transmission 69 to 115 kV - - - - 25 LGS - Transmission QF Standby 69 to 115 kV - - - - 26 LGS - Transmission 115+ kV - - - - 27 LGS - Transmission QF Standby 115+ kV - - - - 28 Municipal and State Street Lighting - - - - 29 Guard and Flood Lighting - - - - 30 SA - Lighting (3 Customers) - - - - 31 SA - Highway Sign Lighting - - - - 32 SAS-4 (Primary General Service Voltage) - - - - 33 SAS-8 (Primary General Service Voltage) - - - -

34 Total Texas Retail 56,804 756,620$ -$ 756,620$

NEW MEXICO RETAIL35 Residential - -$ -$ -$ 36 Commercial & Industrial - - - - 37 Public Authority - - - - 38 Lighting - - - -

39 Total New Mexico Retail - -$ -$ -$

40 Total SPS Retail 56,804 756,620$ -$ 756,620$

41 Wholesale - -$ -$ -$

42 TOTAL SPS 56,802 756,620$ -$ 756,620$

Revenue

Schedule O-U4.1 Page 6 of 9

Sponsor: Luth Docket No. 49831

0382

Southwestern Public Service Company

kWh Sales and kW Demand

7. Revenues Associated With Other kWh Adjustments

LineNo. Customer Class kWh Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service - -$ -$ -$ 2 Residential Service Time of Use - - - - 3 Residential Space Heating - - - - 4 Small Municipal and School - - - - 5 Small Municipal and School Time of Use - - - - 6 Large Municipal Service - Secondary - - - - 7 Large Municipal Service - Primary - - - - 8 Large Municipal Service Time of Use - Secondary - - - - 9 Large Municipal Service Time of Use - Primary - - - -

10 Large School Service - Secondary - - - - 11 Large School Service - Primary - - - - 12 Large School Service Time of Use - Secondary - - - - 13 Large School Service Time of Use - Primary - - - - 14 Small General Service - - - - 15 Small General Service Time of Use - - - - 16 Secondary General Service - - - - 17 Secondary General Service Time of Use - - - - 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service - - - - 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor - - - - 23 Primary QF Standby Service - - - - 24 LGS - Transmission 69 to 115 kV - - - - 25 LGS - Transmission QF Standby 69 to 115 kV - - - - 26 LGS - Transmission 115+ kV 23,616,146 100,685 501,264 601,949 27 LGS - Transmission QF Standby 115+ kV - - - - 28 Municipal and State Street Lighting - - - - 29 Guard and Flood Lighting - - - - 30 SA - Lighting (3 Customers) - - - - 31 SA - Highway Sign Lighting - - - - 32 SAS-4 (Primary General Service Voltage) - - - - 33 SAS-8 (Primary General Service Voltage) - - - -

34 Total Texas Retail 23,616,146 100,685$ 501,264$ 601,949$

NEW MEXICO RETAIL35 Residential - -$ -$ -$ 36 Commercial & Industrial 217,990,988 - - - 37 Public Authority - - - - 38 Lighting - - - -

39 Total New Mexico Retail 217,990,988 -$ -$ -$

40 Total SPS Retail 241,607,133 100,685$ 501,264$ 601,949$

41 Wholesale (1,828,559,149) -$ -$ -$

42 TOTAL SPS (1,586,952,015) 100,685$ 501,264$ 601,949$

Revenue

Schedule O-U4.1 Page 7 of 9

Sponsor: Luth Docket No. 49831

0383

Southwestern Public Service Company

kWh Sales and kW Demand

8. Revenues Associated With Other kW Adjustments

LineNo. Customer Class kW Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service - -$ -$ -$ 2 Residential Service Time of Use - - - - 3 Residential Space Heating - - - - 4 Small Municipal and School - - - - 5 Small Municipal and School Time of Use - - - - 6 Large Municipal Service - Secondary - - - - 7 Large Municipal Service - Primary - - - - 8 Large Municipal Service Time of Use - Secondary - - - - 9 Large Municipal Service Time of Use - Primary - - - -

10 Large School Service - Secondary - - - - 11 Large School Service - Primary - - - - 12 Large School Service Time of Use - Secondary - - - - 13 Large School Service Time of Use - Primary - - - - 14 Small General Service - - - - 15 Small General Service Time of Use - - - - 16 Secondary General Service - - - - 17 Secondary General Service Time of Use - - - - 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service - - - - 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor - - - - 23 Primary QF Standby Service - - - - 24 LGS - Transmission 69 to 115 kV - - - - 25 LGS - Transmission QF Standby 69 to 115 kV - - - - 26 LGS - Transmission 115+ kV 33,901 363,511 - 363,511 27 LGS - Transmission QF Standby 115+ kV - - - - 28 Municipal and State Street Lighting - - - - 29 Guard and Flood Lighting - - - - 30 SA - Lighting (3 Customers) - - - - 31 SA - Highway Sign Lighting - - - - 32 SAS-4 (Primary General Service Voltage) - - - - 33 SAS-8 (Primary General Service Voltage) - - - -

34 Total Texas Retail 33,901 363,511$ -$ 363,511$

NEW MEXICO RETAIL35 Residential - -$ -$ -$ 36 Commercial & Industrial - - - - 37 Public Authority - - - - 38 Lighting - - - -

39 Total New Mexico Retail - -$ -$ -$

40 Total SPS Retail 33,901 363,511$ -$ 363,511$

41 Wholesale - -$ -$ -$

42 TOTAL SPS 33,899 363,511$ -$ 363,511$

Revenue

Schedule O-U4.1 Page 8 of 9

Sponsor: Luth Docket No. 49831

0384

Southwestern Public Service Company

kWh Sales and kW Demand

LineNo. Customer Class kWh Non-Fuel Fuel Total

TEXAS RETAIL1 Residential Service 1,946,395,557 166,048,657$ 45,034,532$ 211,083,189$ 2 Residential Service Time of Use 616,313 48,993 14,255 63,248 3 Residential Space Heating 492,324,001 33,269,384 11,384,786 44,654,170 4 Small Municipal and School 20,452,759 1,473,960 472,898 1,946,858 5 Small Municipal and School Time of Use - - - - 6 Large Municipal Service - Secondary 153,566,829 6,369,379 3,552,100 9,921,479 7 Large Municipal Service - Primary 24,791,115 1,162,468 562,911 1,725,379 8 Large Municipal Service Time of Use - Secondary - - - - 9 Large Municipal Service Time of Use - Primary - - - -

10 Large School Service - Secondary 160,037,643 10,291,815 3,701,348 13,993,163 11 Large School Service - Primary 2,683,237 123,457 60,923 184,380 12 Large School Service Time of Use - Secondary - - - - 13 Large School Service Time of Use - Primary - - - - 14 Small General Service 279,892,179 20,839,871 6,476,098 27,315,969 15 Small General Service Time of Use - - - - 16 Secondary General Service 2,059,816,841 109,426,922 47,657,637 157,084,559 17 Secondary General Service Time of Use 74,492,905 3,337,664 1,717,815 5,055,479 18 Secondary General Service Low Load Factor - - - - 19 Secondary QF Standby Service - - - - 20 Primary General Service 1,984,505,843 62,617,701 45,032,482 107,650,183 21 Primary General Service Time of Use - - - - 22 Primary General Service Low Load Factor 1,110,278 252,881 25,193 278,074 23 Primary QF Standby Service 1,000,588 151,451 22,693 174,144 24 LGS - Transmission 69 to 115 kV 1,152,388,974 22,966,295 24,571,209 47,537,504 25 LGS - Transmission QF Standby 69 to 115 kV 3,096,997 771,155 65,909 837,064 26 LGS - Transmission 115+ kV 5,367,236,541 102,391,059 113,582,728 215,973,787 27 LGS - Transmission QF Standby 115+ kV 161,358,886 5,591,980 3,414,653 9,006,633 28 Municipal and State Street Lighting 33,029,301 3,968,188 763,737 4,731,925 29 Guard and Flood Lighting 23,866,283 3,954,922 551,860 4,506,782 30 SA - Lighting (3 Customers) 54,028 5,522 1,249 6,771 31 SA - Highway Sign Lighting 107,280 3,552 2,481 6,033 32 SAS-4 (Primary General Service Voltage) 121,771,010 2,786,904 2,765,465 5,552,369 33 SAS-8 (Primary General Service Voltage) 42,636,875 422,268 967,366 1,389,634

34 Total Texas Retail 14,107,232,262 558,276,448$ 312,402,327$ 870,678,775$

NEW MEXICO RETAIL35 Residential 1,139,733,640 -$ -$ -$ 36 Commercial & Industrial 5,510,337,984 - - - 37 Public Authority 130,239,773 - - - 38 Lighting 28,743,260 - - -

39 Total New Mexico Retail 6,809,054,656 - - -

40 Total SPS Retail 20,916,286,918 558,276,448$ 312,402,327$ 870,678,775$

41 Wholesale 2,867,312,357 -$ -$ -$

42 TOTAL SPS 23,783,599,277 558,276,448$ 312,402,327$ 870,678,775$

Revenue

9. Total Adjusted Revenue

Schedule O-U4.1 Page 9 of 9

Sponsor: Luth Docket No. 49831

0385

Sout

hwes

tern

Pub

lic

Serv

ice

Com

pany

Una

djus

ted

kWh

Sale

s by

Mon

th o

f th

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pdat

ed T

est

Yea

r

Ret

ail

Ful

l O

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sale

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ted

Sale

sL

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sL

oad

and

Supp

lyU

seSa

les

Inte

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for

Loa

d

1Ju

l-18

1,93

1,97

5,67

0

51

1,17

3,32

4

-

2,

443,

148,

994

182,

088,

030

3,30

8,33

4,61

3

1,

271,

613

730,

034,

999

-

3,30

7,06

3,00

0

2A

ug-1

81,

895,

968,

848

506,

148,

922

-

2,40

2,11

7,77

0

17

5,93

0,59

6

2,

920,

102,

472

1,21

6,68

142

3,63

7,00

0

-

2,

918,

885,

791

3

Sep-

181,

679,

274,

832

406,

702,

219

-

2,08

5,97

7,05

1

14

8,36

2,34

5

2,

527,

912,

409

1,96

8,32

834

5,71

6,99

8

-

2,

525,

944,

081

4

Oct

-18

1,64

9,18

5,29

0

37

2,20

7,90

8

-

2,

021,

393,

198

137,

523,

248

2,30

3,95

4,65

3

1,

429,

872

372,

401,

001

-

2,30

2,52

4,78

1

5N

ov-1

81,

642,

747,

730

374,

222,

336

-

2,01

6,97

0,06

6

14

0,38

4,10

2

2,

368,

566,

339

1,10

6,28

241

2,09

7,00

0

-

2,

367,

460,

057

6

Dec

-18

1,76

4,64

4,16

8

41

1,12

3,20

2

-

2,

175,

767,

371

153,

556,

059

2,63

6,93

2,20

2

1,

228,

124

294,

481,

999

-

2,63

5,70

4,07

8

7Ja

n-19

1,75

6,41

3,31

6

40

5,12

2,66

7

-

2,

161,

535,

983

151,

617,

382

2,44

4,76

8,00

7

1,

640,

479

209,

700,

000

-

2,44

3,12

7,52

8

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b-19

1,56

9,37

5,12

5

36

1,93

1,17

6

-

1,

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306,

301

133,

614,

653

2,22

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3,96

6

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853,

666

257,

866,

000

-

2,22

2,00

0,30

0

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ar-1

91,

671,

521,

635

383,

867,

248

-

2,05

5,38

8,88

4

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1

2,

444,

328,

269

1,75

4,70

132

7,54

2,33

7

-

2,

442,

573,

568

10

Apr

-19

1,58

2,19

8,41

0

35

8,91

5,60

6

-

1,

941,

114,

016

133,

125,

837

2,23

0,65

1,39

5

1,

459,

432

224,

494,

663

-

2,22

9,19

1,96

3

11M

ay-1

91,

670,

370,

838

379,

323,

898

-

2,04

9,69

4,73

6

14

0,86

9,82

0

2,

286,

124,

713

1,25

4,27

519

9,96

4,00

0

-

2,

284,

870,

438

12

Jun-

191,

761,

283,

136

172,

564,

643

70

,465

,000

2,00

4,31

2,78

0

14

7,33

7,23

4

2,

421,

669,

211

1,14

5,92

217

0,30

8,00

0

-

2,

350,

058,

289

13U

pdat

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est

Yea

r T

otal

20,5

74,9

58,9

994,

643,

303,

149

70,4

65,0

0025

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1,78

6,30

4,54

830

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29,3

753,

968,

243,

997

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Int

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Schedule O-U6.1 Page 1 of 1

Sponsor: Luth Docket No. 49831

0386

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

Ad

just

ed k

Wh

Sal

es D

ata

Net

En

ergy

Lin

eA

dju

sted

Off

-Sys

tem

for

Loa

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tN

o.M

onth

Sal

es (

kW

h)

Los

ses

(kW

h)

Sal

es (

kW

h)

the

Sou

rce

(kW

h)

1Ju

l-18

2,21

8,80

7,18

3

17

3,07

2,93

1

730,

034,

999

2,39

1,88

0,11

3

2A

ug-1

82,

174,

345,

563

166,

465,

613

42

3,63

7,00

0

2,

340,

811,

176

3

Sep

-18

1,96

0,79

2,16

5

14

4,55

5,83

7

345,

716,

998

2,10

5,34

8,00

2

4O

ct-1

81,

914,

822,

199

133,

821,

348

37

2,40

1,00

1

2,

048,

643,

547

5

Nov

-18

1,88

3,00

2,33

3

13

4,67

2,89

4

412,

097,

000

2,01

7,67

5,22

7

6D

ec-1

82,

028,

053,

828

148,

891,

723

29

4,48

1,99

9

2,

176,

945,

551

7

Jan-

192,

026,

969,

415

147,

416,

401

20

9,70

0,00

0

2,

174,

385,

816

8

Feb-

191,

800,

763,

573

128,

613,

019

25

7,86

6,00

0

1,

929,

376,

592

9

Mar

-19

1,92

1,79

1,91

1

13

7,17

0,94

4

327,

542,

337

2,05

8,96

2,85

5

10A

pr-1

91,

825,

088,

455

128,

582,

185

22

4,49

4,66

3

1,

953,

670,

640

11

May

-19

1,94

3,32

3,40

0

13

8,41

0,36

0

199,

964,

000

2,08

1,73

3,76

0

12Ju

n-19

2,08

5,83

9,25

3

15

6,91

7,13

6

170,

308,

000

2,24

2,75

6,38

9

13U

pd

ated

Tes

t Y

ear

Tot

al

23,7

83,5

99,2

76

1,73

8,59

0,39

0

3,96

8,24

3,99

7

25,5

22,1

89,6

66

Not

e:T

he a

djus

tmen

t pro

cess

rem

oves

all

non

-fir

m e

cono

my

who

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le s

ales

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hole

sale

sal

es a

djus

ted

for

Wes

tern

Are

a P

ower

Aut

hori

ty d

eliv

erie

s.

Schedule O-U6.2 Page 1 of 1

Sponsor: Luth Docket No. 49831

0387

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

ales

Dat

ak

Wh

En

ergy

Sal

es a

t th

e M

eter

Tot

alT

otal

Tot

alT

otal

Tot

alT

otal

Tot

alT

otal

Lin

eL

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elL

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Lev

elL

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Lev

elL

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Lev

elL

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Lev

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exas

Ret

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Tex

as R

etai

lN

o.P

erio

d6

54

32

Ret

ail

Inte

rru

pti

ble

Fir

m1

Janu

ary

2001

244,

890,

297

29

6,88

9,87

3

116,

328,

520

12

9,84

7,66

2

278,

055,

302

1,

066,

011,

654

181,

307,

549

88

4,70

4,10

5

2

Feb

ruar

y 20

0121

6,59

6,67

0

258,

456,

057

10

7,37

2,91

4

116,

338,

415

24

7,16

7,84

5

945,

931,

901

16

3,71

0,79

7

782,

221,

104

3M

arch

200

119

1,99

6,16

8

257,

373,

486

10

5,83

4,25

8

115,

211,

305

25

5,15

8,67

7

925,

573,

894

16

5,24

4,89

7

760,

328,

997

4A

pril

200

116

8,91

2,51

9

244,

365,

859

10

7,57

8,14

6

109,

159,

997

24

9,54

2,63

6

879,

559,

157

16

7,75

5,97

8

711,

803,

179

5M

ay 2

001

155,

554,

817

25

7,32

4,28

4

111,

864,

347

12

8,75

1,35

1

262,

703,

645

91

6,19

8,44

4

176,

355,

574

73

9,84

2,87

0

6

June

200

119

6,22

5,13

2

283,

863,

498

11

6,45

0,87

6

140,

548,

350

25

7,41

0,38

5

994,

498,

241

17

5,78

6,90

5

818,

711,

336

7Ju

ly 2

001

271,

455,

120

33

1,11

4,15

6

119,

302,

853

13

3,53

0,68

4

261,

235,

789

1,

116,

638,

602

174,

867,

717

94

1,77

0,88

5

8

Aug

ust 2

001

321,

738,

856

34

9,99

0,04

0

119,

490,

774

12

9,37

6,79

1

268,

594,

009

1,

189,

190,

470

180,

009,

827

1,

009,

180,

643

9

Sep

tem

ber

2001

262,

906,

511

32

3,73

1,05

4

121,

653,

452

13

1,78

9,28

1

254,

433,

062

1,

094,

513,

360

175,

079,

612

91

9,43

3,74

8

10

Oct

ober

200

120

0,04

3,91

3

298,

406,

612

11

5,63

3,32

2

117,

715,

661

23

7,52

7,22

4

969,

326,

732

16

6,37

6,79

1

802,

949,

941

11N

ovem

ber

2001

155,

144,

924

28

3,27

5,00

3

121,

338,

922

12

5,30

5,51

8

263,

215,

839

94

8,28

0,20

6

185,

258,

571

76

3,02

1,63

5

12

Dec

embe

r 20

0119

3,39

7,47

7

298,

758,

788

11

0,14

8,74

8

128,

231,

861

25

7,23

0,52

9

987,

767,

403

18

0,90

4,32

3

806,

863,

080

13T

OT

AL

YE

AR

-200

12,

578,

862,

404

3,48

3,54

8,71

01,

372,

997,

132

1,50

5,80

6,87

63,

092,

274,

942

12,0

33,4

90,0

64

2,09

2,65

8,54

19,

940,

831,

523

14

Janu

ary

2002

225,

369,

212

287,

399,

603

119,

382,

244

128,

740,

261

50,1

72,6

00

811,

063,

920

19

0,12

9,22

9

62

0,93

4,69

1

15F

ebru

ary

200 2

202,

526,

309

25

5,02

9,08

4

105,

098,

138

11

5,30

4,72

6

250,

059,

870

92

8,01

8,12

7

171,

859,

352

75

6,15

8,77

5

16

Mar

ch 2

002

200,

460,

193

26

0,45

1,94

8

112,

456,

684

11

8,43

0,31

8

249,

719,

746

94

1,51

8,88

9

178,

556,

299

76

2,96

2,59

0

17

Apr

il 2

002

167,

449,

067

23

9,26

7,97

8

107,

148,

811

11

8,68

7,47

0

266,

766,

525

89

9,31

9,85

1

181,

408,

545

71

7,91

1,30

6

18

May

200

216

1,25

1,77

8

274,

768,

760

11

0,62

1,04

6

126,

168,

612

26

2,80

2,02

5

935,

612,

221

18

2,39

5,50

4

753,

216,

717

19Ju

ne 2

002

205,

090,

419

29

9,62

6,09

6

116,

304,

185

13

0,18

6,20

6

255,

881,

776

1,

007,

088,

682

188,

975,

702

81

8,11

2,98

0

20

July

200

226

8,54

9,38

1

311,

863,

321

11

8,85

0,00

8

135,

544,

114

28

9,83

8,15

0

1,12

4,64

4,97

4

19

9,16

4,11

9

925,

480,

855

21A

ugus

t 200

228

7,81

9,10

3

342,

571,

293

12

0,81

4,37

4

125,

547,

241

27

7,15

0,56

3

1,15

3,90

2,57

4

19

4,90

7,54

4

958,

995,

030

22S

epte

mbe

r 20

0227

7,26

1,30

2

336,

289,

960

11

6,93

6,99

9

120,

421,

606

27

7,80

5,75

7

1,12

8,71

5,62

4

19

4,16

8,44

3

934,

547,

181

23O

ctob

er 2

002

196,

577,

473

29

4,66

8,52

6

110,

344,

725

12

6,67

4,52

6

262,

133,

157

99

0,39

8,40

7

183,

177,

313

80

7,22

1,09

4

24

Nov

embe

r 20

0216

3,98

2,56

0

267,

349,

116

10

6,25

3,10

7

117,

426,

877

25

7,43

0,62

9

912,

442,

289

17

3,96

6,37

6

738,

475,

913

25D

ecem

ber

2002

201,

291,

313

29

8,51

5,58

9

120,

814,

855

12

6,96

6,84

2

300,

924,

025

1,

048,

512,

624

222,

381,

800

82

6,13

0,82

4

26

TO

TA

L Y

EA

R-2

002

2,55

7,62

8,11

03,

467,

801,

274

1,36

5,02

5,17

61,

490,

098,

799

3,00

0,68

4,82

311

,881

,238

,182

2,

261,

090,

226

9,62

0,14

7,95

6

27Ja

nuar

y 20

0323

9,76

9,49

8

31

0,32

4,54

5

12

3,75

3,35

2

12

4,70

0,57

4

29

0,49

6,05

0

1,

089,

044,

019

210,

889,

055

878,

154,

964

28

Feb

ruar

y 20

0320

1,11

7,64

4

258,

863,

836

11

2,14

0,71

3

128,

764,

446

27

2,94

4,78

3

973,

831,

422

19

7,08

6,80

1

776,

744,

621

29M

arch

200

320

6,69

2,88

4

296,

004,

146

11

5,64

5,48

2

120,

945,

432

27

5,86

0,58

0

1,01

5,14

8,52

4

20

0,14

9,85

4

814,

998,

670

30A

pril

200

316

3,52

4,65

6

229,

568,

652

12

6,81

9,47

2

128,

908,

482

27

2,02

3,93

5

920,

845,

197

20

0,16

5,66

7

720,

679,

530

31M

ay 2

003

170,

068,

262

26

7,21

0,49

9

101,

283,

951

13

1,84

6,53

8

269,

595,

959

94

0,00

5,20

9

202,

040,

527

73

7,96

4,68

2

32

June

200

320

6,10

5,01

7

290,

520,

213

12

6,95

4,10

3

137,

156,

074

27

6,27

3,11

4

1,03

7,00

8,52

1

20

8,24

6,64

2

828,

761,

879

33Ju

ly 2

003

260,

159,

537

31

5,88

3,28

9

124,

083,

007

13

5,88

7,66

9

278,

524,

587

1,

114,

538,

089

215,

127,

729

89

9,41

0,36

0

34

Aug

ust 2

003

314,

206,

779

35

0,36

6,06

3

118,

335,

550

12

5,78

4,17

8

278,

742,

226

1,

187,

434,

796

196,

596,

668

99

0,83

8,12

8

35

Sep

tem

ber

2003

279,

059,

972

35

8,26

1,90

3

122,

525,

177

13

3,30

6,66

9

356,

850,

063

1,

250,

003,

784

209,

950,

363

1,

040,

053,

421

36

Oct

ober

200

318

5,87

0,75

9

286,

510,

617

11

4,08

4,88

6

113,

076,

458

20

5,04

9,54

4

904,

592,

264

20

0,22

4,75

1

704,

367,

513

37N

ovem

ber

2003

165,

680,

927

27

3,70

5,80

1

116,

281,

129

11

5,98

6,17

1

275,

403,

939

94

7,05

7,96

7

202,

121,

902

74

4,93

6,06

5

38

Dec

embe

r 20

0320

3,50

1,19

8

292,

476,

817

12

0,17

9,21

6

130,

255,

924

29

0,53

7,06

2

1,03

6,95

0,21

7

21

5,78

4,16

2

821,

166,

055

39T

OT

AL

YE

AR

-200

32,

595,

757,

133

3,52

9,69

6,38

11,

422,

086,

038

1,52

6,61

8,61

53,

342,

301,

842

12,4

16,4

60,0

09

2,45

8,38

4,12

19,

958,

075,

888

Schedule O-U7.2 Page 1 of 42

Sponsor: Luth Docket No. 49831

0388

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

ales

Dat

ak

Wh

En

ergy

Sal

es a

t th

e M

eter

Lin

eN

o. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

Res

iden

tial

R

esid

enti

al

Res

iden

tial

R

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Res

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Janu

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2001

-

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12

0,63

6,51

8

58,5

01,6

26

11,4

01,5

62

11,0

39,8

49

24

,765

,695

22

6,34

5,25

0

Feb

ruar

y 20

01-

-

103,

663,

968

53

,398

,738

10

,116

,744

9,

606,

872

21,4

76,8

09

198,

263,

131

M

arch

200

1-

-

95,1

95,6

21

42

,053

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7,

825,

153

8,75

6,22

9

19

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17

3,82

5,55

0

Apr

il 2

001

-

-

87

,969

,439

32,6

20,6

90

5,89

2,14

8

8,

046,

154

17,3

89,6

49

151,

918,

080

M

ay 2

001

-

-

87

,848

,176

22,3

91,2

44

3,78

1,18

1

7,

608,

914

15,4

33,4

40

137,

062,

955

Ju

ne 2

001

-

-

11

6,79

7,56

0

24,7

87,4

23

4,42

1,09

5

9,

212,

349

20,7

82,3

61

176,

000,

788

Ju

ly 2

001

-

-

16

7,64

0,94

9

32,0

81,0

24

6,01

1,85

0

12

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,856

29,6

13,6

03

247,

765,

282

A

ugus

t 200

1-

-

201,

696,

154

37

,275

,973

7,

164,

602

14,3

93,7

44

34

,807

,021

29

5,33

7,49

4

Sep

tem

ber

2001

-

-

16

2,60

3,28

4

30,7

03,1

27

5,71

3,07

6

11

,867

,005

27,7

84,1

31

238,

670,

623

O

ctob

er 2

001

-

-

12

0,21

4,12

3

24,2

67,6

56

4,22

2,14

9

9,

136,

905

20,3

81,1

34

178,

221,

967

N

ovem

ber

2001

-

-

87

,836

,137

21,4

51,3

29

3,35

8,48

9

7,

409,

063

15,1

72,1

40

135,

227,

158

D

ecem

ber

2001

-

-

10

3,02

9,19

1

34,8

90,5

16

5,59

5,94

8

9,

000,

079

20,4

56,2

25

172,

971,

959

T

OT

AL

YE

AR

-200

1-

-

1,45

5,13

1,12

041

4,42

2,35

475

,503

,997

11

8,49

5,01

9

268,

057,

747

2,33

1,61

0,23

7Ja

nuar

y 20

02-

-

115,

181,

293

48,6

12,2

51

8,

305,

221

10,3

36,3

31

23

,703

,295

206,

138,

391

Feb

ruar

y 20

0 2-

-

100,

402,

225

46

,499

,184

7,

944,

085

9,17

3,28

8

21

,014

,268

18

5,03

3,05

0

Mar

ch 2

002

-

-

10

0,39

8,18

1

45,1

47,5

81

7,69

3,93

0

9,

185,

507

20,0

64,8

47

182,

490,

046

A

pril

200

2-

-

87,6

88,7

84

32

,511

,069

5,

415,

509

7,86

1,35

3

16

,573

,388

15

0,05

0,10

3

May

200

2-

-

92,6

70,9

21

22

,880

,892

3,

612,

424

7,73

9,23

4

16

,335

,472

14

3,23

8,94

3

June

200

2-

-

122,

572,

223

25

,800

,993

4,

081,

790

9,52

5,12

4

21

,461

,720

18

3,44

1,85

0

July

200

2-

-

166,

965,

967

31

,510

,428

5,

343,

126

12,0

73,1

72

28

,996

,035

24

4,88

8,72

8

Aug

ust 2

002

-

-

18

0,78

2,26

4

33,0

48,3

00

5,85

8,57

6

12

,791

,117

30,9

84,3

91

263,

464,

648

S

epte

mbe

r 20

02-

-

175,

174,

360

32

,418

,739

5,

725,

333

12,4

24,5

07

29

,717

,775

25

5,46

0,71

4

Oct

ober

200

2-

-

118,

935,

082

23

,834

,885

3,

904,

654

8,94

8,94

2

19

,701

,332

17

5,32

4,89

5

Nov

embe

r 20

02-

-

90,0

92,1

07

27

,267

,457

4,

112,

760

7,58

6,38

3

16

,849

,292

14

5,90

7,99

9

Dec

embe

r 20

02-

-

104,

408,

394

40

,799

,786

6,

493,

285

9,14

5,96

2

21

,482

,905

18

2,33

0,33

2

TO

TA

L Y

EA

R-2

002

-

-

1,

455,

271,

801

410,

331,

565

68,4

90,6

93

116,

790,

920

26

6,88

4,72

02,

317,

769,

699

Janu

ary

2003

-

-

12

4,42

6,32

5

51

,378

,386

8,46

4,17

2

10

,897

,275

24,8

05,3

56

21

9,97

1,51

4

F

ebru

ary

2003

-

-

10

1,00

7,59

3

46,4

97,0

46

7,51

2,97

0

9,

019,

338

20,2

34,9

52

184,

271,

899

M

arch

200

3-

-

103,

054,

933

48

,076

,785

7,

634,

598

9,25

7,41

0

20

,124

,093

18

8,14

7,81

9

Apr

il 2

003

-

-

86

,796

,439

28,9

22,8

34

4,35

3,67

0

7,

546,

070

16,1

01,3

30

143,

720,

343

M

ay 2

003

-

-

96

,502

,881

24,3

33,6

69

3,57

1,16

7

8,

065,

272

16,7

56,3

90

149,

229,

379

Ju

ne 2

003

-

-

12

4,14

9,26

9

25,9

42,8

61

3,87

4,36

2

9,

309,

876

20,9

48,0

44

184,

224,

412

Ju

ly 2

003

-

-

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tem

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2003

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2003

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0

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7,19

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7

Schedule O-U7.2 Page 2 of 42

Sponsor: Luth Docket No. 49831

0389

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

ales

Dat

ak

Wh

En

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t th

e M

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Lin

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o. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

Sm

all G

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F

ebru

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2001

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Nov

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D

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2001

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Janu

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2002

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July

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S

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Janu

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2003

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2003

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Schedule O-U7.2 Page 3 of 42

Sponsor: Luth Docket No. 49831

0390

Sou

thw

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rn P

ub

lic

Ser

vice

Com

pan

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His

tori

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Feb

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16,3

40,0

18

296,

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146

A

pril

200

315

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4,65

2

-

83

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643

2,

163,

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ay 2

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31

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3,61

3

-

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9

June

200

311

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-

13

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1,27

9

153,

899

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949,

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27

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Ju

ly 2

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Aug

ust 2

003

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9,31

8

-

13

,261

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35

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3

Sep

tem

ber

2003

27,3

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605,

839

-

159,

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212

13

5,72

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2,78

3,45

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2

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19

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35

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3

Oct

ober

200

39,

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211

-

12

8,61

0,86

4

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137

7,

055,

778

23

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97

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-

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286,

510,

617

N

ovem

ber

2003

4,47

9,21

9

43

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2

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491,

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7028

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323,

222

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35,3

21

273,

705,

801

D

ecem

ber

2003

4,67

6,20

3

27

1,16

6

-

123,

709,

479

14

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,041

8,

785,

977

30

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91

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15,7

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817

T

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AL

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315

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1

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646,

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55,2

32,4

2033

1,01

4,14

51,

131,

728,

219

23

,067

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-

18

3,20

8,09

63,

529,

696,

381

Schedule O-U7.2 Page 4 of 42

Sponsor: Luth Docket No. 49831

0391

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

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Dat

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Wh

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1-

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200

1-

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ust 2

001

-

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10

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4

Sep

tem

ber

2002

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tem

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2003

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2003

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2003

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086,

038

Schedule O-U7.2 Page 5 of 42

Sponsor: Luth Docket No. 49831

0392

Sou

thw

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Schedule O-U7.2 Page 6 of 42

Sponsor: Luth Docket No. 49831

0393

Sou

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Schedule O-U7.2 Page 7 of 42

Sponsor: Luth Docket No. 49831

0394

Sou

thw

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16M

arch

200

520

1,72

5,71

8

291,

645,

083

12

1,74

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3

61,1

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31

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19

June

200

523

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13

5,57

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83,9

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33

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21

Aug

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Sep

tem

ber

2005

270,

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9,00

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131,

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82

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348,

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1,

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206,

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3

23

Oct

ober

200

521

4,47

7,74

2

308,

315,

004

12

6,16

4,46

8

78,7

35,0

50

30

8,15

4,32

2

1,03

5,84

6,58

6

17

7,53

3,54

7

858,

313,

039

24N

ovem

ber

2005

159,

804,

852

28

5,84

7,23

5

122,

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025

78

,439

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345,

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25

Dec

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Feb

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20

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29M

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620

4,18

5,69

6

280,

126,

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13

6,53

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4

67,0

18,5

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32

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617

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June

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Aug

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35

Sep

tem

ber

2006

230,

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133,

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4

349,

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36

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ober

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619

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96,3

61

25

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601

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001

37N

ovem

ber

2006

165,

746,

960

27

0,96

4,29

3

131,

140,

689

86

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341,

560,

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38

Dec

embe

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,614

Schedule O-U7.2 Page 8 of 42

Sponsor: Luth Docket No. 49831

0395

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

ales

Dat

ak

Wh

En

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Res

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Sep

tem

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2004

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2004

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Feb

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June

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Janu

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2006

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2006

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2006

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11

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1

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845

2,47

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8

Schedule O-U7.2 Page 9 of 42

Sponsor: Luth Docket No. 49831

0396

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

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Dat

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Wh

En

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Schedule O-U7.2 Page 10 of 42 Sponsor: Luth

Docket No. 49831

0397

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Schedule O-U7.2 Page 11 of 42 Sponsor: Luth

Docket No. 49831

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Schedule O-U7.2 Page 12 of 42 Sponsor: Luth

Docket No. 49831

0399

Sou

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Schedule O-U7.2 Page 13 of 42 Sponsor: Luth

Docket No. 49831

0400

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Schedule O-U7.2 Page 14 of 42 Sponsor: Luth

Docket No. 49831

0401

Sou

thw

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lic

Ser

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Com

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His

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arch

200

921

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35

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pril

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31

May

200

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June

200

925

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6

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18

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0

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39

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33Ju

ly 2

009

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28

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Aug

ust 2

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Sep

tem

ber

2009

293,

181,

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0,00

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Oct

ober

200

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6

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Nov

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Schedule O-U7.2 Page 15 of 42 Sponsor: Luth

Docket No. 49831

0402

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

ales

Dat

ak

Wh

En

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t th

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Res

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Janu

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2007

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Apr

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007

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July

200

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Aug

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Sep

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Nov

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Janu

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2009

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ruar

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8

Schedule O-U7.2 Page 16 of 42 Sponsor: Luth

Docket No. 49831

0403

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

ales

Dat

ak

Wh

En

ergy

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t th

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Sm

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2007

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Schedule O-U7.2 Page 17 of 42 Sponsor: Luth

Docket No. 49831

0404

Sou

thw

este

rn P

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lic

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vice

Com

pan

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His

tori

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7

Schedule O-U7.2 Page 18 of 42 Sponsor: Luth

Docket No. 49831

0405

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

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Dat

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Schedule O-U7.2 Page 19 of 42 Sponsor: Luth

Docket No. 49831

0406

Sou

thw

este

rn P

ub

lic

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Schedule O-U7.2 Page 20 of 42 Sponsor: Luth

Docket No. 49831

0407

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

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Dat

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Schedule O-U7.2 Page 21 of 42 Sponsor: Luth

Docket No. 49831

0408

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

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Dat

ak

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Schedule O-U7.2 Page 22 of 42 Sponsor: Luth

Docket No. 49831

0409

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

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His

tori

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Dat

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Wh

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Schedule O-U7.2 Page 23 of 42 Sponsor: Luth

Docket No. 49831

0410

Sou

thw

este

rn P

ub

lic

Ser

vice

Com

pan

y

His

tori

cal S

ales

Dat

ak

Wh

En

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Schedule O-U7.2 Page 24 of 42 Sponsor: Luth

Docket No. 49831

0411

Sou

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Schedule O-U7.2 Page 25 of 42 Sponsor: Luth

Docket No. 49831

0412

Sou

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His

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Schedule O-U7.2 Page 26 of 42 Sponsor: Luth

Docket No. 49831

0413

Sou

thw

este

rn P

ub

lic

Ser

vice

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pan

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Schedule O-U7.2 Page 27 of 42 Sponsor: Luth

Docket No. 49831

0414

Sou

thw

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lic

Ser

vice

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Schedule O-U7.2 Page 28 of 42 Sponsor: Luth

Docket No. 49831

0415

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Schedule O-U7.2 Page 29 of 42 Sponsor: Luth

Docket No. 49831

0416

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Schedule O-U7.2 Page 30 of 42 Sponsor: Luth

Docket No. 49831

0417

Sou

thw

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lic

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His

tori

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Schedule O-U7.2 Page 31 of 42 Sponsor: Luth

Docket No. 49831

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Schedule O-U7.2 Page 32 of 42 Sponsor: Luth

Docket No. 49831

0419

Sou

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Schedule O-U7.2 Page 33 of 42 Sponsor: Luth

Docket No. 49831

0420

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Schedule O-U7.2 Page 34 of 42 Sponsor: Luth

Docket No. 49831

0421

Sou

thw

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lic

Ser

vice

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pan

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Schedule O-U7.2 Page 35 of 42 Sponsor: Luth

Docket No. 49831

0422

Sou

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Schedule O-U7.2 Page 36 of 42 Sponsor: Luth

Docket No. 49831

0423

Sou

thw

este

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lic

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Schedule O-U7.2 Page 37 of 42 Sponsor: Luth

Docket No. 49831

0424

Sou

thw

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Schedule O-U7.2 Page 38 of 42 Sponsor: Luth

Docket No. 49831

0425

Sou

thw

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Schedule O-U7.2 Page 39 of 42 Sponsor: Luth

Docket No. 49831

0426

Sou

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Schedule O-U7.2 Page 40 of 42 Sponsor: Luth

Docket No. 49831

0427

Sou

thw

este

rn P

ub

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Schedule O-U7.2 Page 41 of 42 Sponsor: Luth

Docket No. 49831

0428

Sou

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Schedule O-U7.2 Page 42 of 42 Sponsor: Luth

Docket No. 49831

0429

Southwestern Public Service Company

Historical Weather Data

HDD = 65 - Average Daily TemperatureA Cooling Degree Day ("CDD") is the difference between the average daily temperature and 65 degrees F.

CDD = Average Daily Temperature - 65

Line Heating Cooling Heating Cooling Heating Cooling No. Month-Year Degree Days Degree Days Degree Days Degree Days Degree Days Degree Days1 Jan-01 930 0 867 0 866 02 Feb-01 660 0 569 0 496 03 Mar-01 609 0 511 0 434 14 Apr-01 139 28 91 71 88 375 May-01 75 88 24 191 23 2216 Jun-01 0 354 0 479 0 4747 Jul-01 0 594 0 640 0 6058 Aug-01 0 432 0 462 0 4679 Sep-01 12 188 8 226 0 285

10 Oct-01 180 38 148 50 79 4911 Nov-01 424 0 373 4 394 012 Dec-01 755 0 688 0 734 013 Jan-02 782 0 698 0 667 014 Feb-02 702 0 631 0 581 015 Mar-02 597 2 493 3 449 416 Apr-02 205 56 144 90 74 9717 May-02 79 129 32 200 6 22818 Jun-02 1 390 0 415 0 48919 Jul-02 0 442 0 465 0 49420 Aug-02 0 412 0 521 0 52121 Sep-02 21 156 5 238 0 26522 Oct-02 377 10 239 37 218 3623 Nov-02 623 0 517 0 501 124 Dec-02 906 0 709 0 744 025 Jan-03 784 0 706 0 646 026 Feb-03 761 0 598 0 505 127 Mar-03 519 0 360 4 301 028 Apr-03 205 21 137 77 92 5529 May-03 72 115 19 214 9 24830 Jun-03 13 165 1 290 0 36831 Jul-03 0 473 0 550 0 54932 Aug-03 6 455 0 520 0 48133 Sep-03 32 120 9 189 1 266

The Amarillo weather station is located at the Amarillo International Airport. It provides weather data for the Texas Panhandle.

The Lubbock weather station is located at the Lubbock Regional Airport. It provides weather data for the South Plains area of Texas.

The Roswell weather station is located at the Roswell Industrial Air Center. It provides weather data for Southeastern New Mexico.

A Heating Degree Day ("HDD") is the difference between 65 degrees Fahrenheit ("F") and the average daily temperature.

Amarillo, Texas Lubbock, Texas Roswell, New Mexico

Schedule O-U8.1 Page 1 of 5

Sponsor: Marks Docket No. 49831

0430

Southwestern Public Service Company

Historical Weather Data

Line Heating Cooling Heating Cooling Heating Cooling No. Month-Year Degree Days Degree Days Degree Days Degree Days Degree Days Degree Days

Amarillo, Texas Lubbock, Texas Roswell, New Mexico

34 Oct-03 148 60 72 87 64 7035 Nov-03 524 6 403 16 396 1436 Dec-03 737 0 660 0 706 037 Jan-04 789 0 670 0 654 038 Feb-04 787 0 670 0 647 039 Mar-04 395 12 285 30 266 2140 Apr-04 295 6 172 37 178 3041 May-04 54 194 33 273 22 24542 Jun-04 0 257 1 356 0 39143 Jul-04 4 345 3 450 1 44544 Aug-04 0 273 0 336 0 36845 Sep-04 18 175 12 185 18 21046 Oct-04 190 6 104 30 121 947 Nov-04 654 0 531 0 534 048 Dec-04 773 0 697 0 771 049 Jan-05 778 0 661 0 612 050 Feb-05 602 0 525 0 516 051 Mar-05 595 0 444 0 437 052 Apr-05 298 4 190 28 187 453 May-05 128 104 80 210 59 19054 Jun-05 0 297 0 427 0 45955 Jul-05 0 404 0 457 0 53856 Aug-05 2 342 0 382 0 40357 Sep-05 8 244 6 343 0 32258 Oct-05 263 34 161 72 159 5059 Nov-05 495 3 384 6 393 060 Dec-05 876 0 726 0 704 061 Jan-06 682 0 542 0 582 062 Feb-06 711 0 553 0 512 063 Mar-06 514 2 347 11 321 464 Apr-06 178 54 72 114 48 10465 May-06 60 200 21 297 4 32366 Jun-06 0 356 0 471 0 48767 Jul-06 0 418 0 561 0 55668 Aug-06 0 306 0 493 0 41669 Sep-06 62 49 22 137 26 11570 Oct-06 254 41 181 61 199 3371 Nov-06 481 0 389 4 423 072 Dec-06 829 0 720 0 753 073 Jan-07 1030 0 879 0 891 074 Feb-07 711 0 593 0 560 075 Mar-07 356 7 294 11 319 276 Apr-07 356 1 280 12 202 2177 May-07 66 57 47 110 46 9478 Jun-07 5 233 1 295 0 36679 Jul-07 0 380 0 395 0 43580 Aug-07 0 464 0 463 0 50281 Sep-07 2 231 0 285 0 33082 Oct-07 163 77 105 116 91 11383 Nov-07 496 0 422 0 415 0

Schedule O-U8.1 Page 2 of 5

Sponsor: Marks Docket No. 49831

0431

Southwestern Public Service Company

Historical Weather Data

Line Heating Cooling Heating Cooling Heating Cooling No. Month-Year Degree Days Degree Days Degree Days Degree Days Degree Days Degree Days

Amarillo, Texas Lubbock, Texas Roswell, New Mexico

84 Dec-07 836 0 713 0 665 185 Jan-08 835 0 752 0 766 086 Feb-08 665 0 506 0 435 087 Mar-08 517 0 382 11 325 688 Apr-08 268 25 175 53 147 4189 May-08 82 130 50 222 36 21990 Jun-08 0 372 0 485 0 51391 Jul-08 0 391 0 448 0 43992 Aug-08 0 305 0 396 0 40093 Sep-08 21 88 5 121 0 15194 Oct-08 219 19 144 37 162 3595 Nov-08 497 1 410 2 446 096 Dec-08 791 0 687 0 718 097 Jan-09 812 0 704 0 699 098 Feb-09 536 0 433 1 446 299 Mar-09 420 0 301 23 301 8100 Apr-09 286 23 181 76 165 46101 May-09 113 84 45 183 10 207102 Jun-09 0 323 0 442 0 451103 Jul-09 0 416 0 505 0 511104 Aug-09 0 347 0 500 0 472105 Sep-09 52 123 22 191 19 209106 Oct-09 370 20 251 47 195 46107 Nov-09 432 2 361 0 404 0108 Dec-09 996 0 893 0 894 0109 Jan-10 889 0 792 0 808 0110 Feb-10 895 0 713 0 624 0111 Mar-10 540 8 424 10 432 4112 Apr-10 238 14 164 52 128 27113 May-10 109 90 59 207 38 172114 Jun-10 0 414 0 488 0 480115 Jul-10 0 373 0 391 0 437116 Aug-10 0 420 0 479 0 475117 Sep-10 4 277 0 306 0 312118 Oct-10 123 24 69 34 60 26119 Nov-10 550 0 416 0 496 0120 Dec-10 734 0 599 0 634 0121 Jan-11 905 0 776 0 779 0122 Feb-11 801 0 644 0 669 0123 Mar-11 433 9 296 11 218 5124 Apr-11 165 27 71 93 55 110125 May-11 91 152 58 246 41 202126 Jun-11 0 532 0 635 0 541127 Jul-11 0 633 0 661 0 617128 Aug-11 0 630 0 660 0 661129 Sep-11 19 196 11 222 0 261130 Oct-11 207 41 142 66 121 78131 Nov-11 496 0 424 1 426 0132 Dec-11 944 0 832 0 937 0133 Jan-12 702 0 631 0 611 0

Schedule O-U8.1 Page 3 of 5

Sponsor: Marks Docket No. 49831

0432

Southwestern Public Service Company

Historical Weather Data

Line Heating Cooling Heating Cooling Heating Cooling No. Month-Year Degree Days Degree Days Degree Days Degree Days Degree Days Degree Days

Amarillo, Texas Lubbock, Texas Roswell, New Mexico

134 Feb-12 711 0 607 0 574 0135 Mar-12 292 34 251 52 263 14136 Apr-12 115 61 52 123 50 111137 May-12 57 206 40 301 18 248138 Jun-12 0 423 0 471 0 550139 Jul-12 0 555 0 535 0 552140 Aug-12 0 474 0 500 0 553141 Sep-12 29 226 18 255 9 271142 Oct-12 242 28 195 67 123 57143 Nov-12 368 4 308 18 334 0144 Dec-12 718 0 674 0 696 0145 Jan-13 809 0 741 0 756 0146 Feb-13 699 0 594 0 541 0147 Mar-13 437 0 356 2 317 2148 Apr-13 340 45 236 60 162 64149 May-13 94 203 86 253 51 257150 Jun-13 0 391 0 474 0 550151 Jul-13 0 408 0 450 0 467152 Aug-13 0 449 0 489 0 524153 Sep-13 9 276 4 316 0 276154 Oct-13 235 34 159 76 172 34155 Nov-13 594 0 490 3 493 0156 Dec-13 903 0 804 0 781 0157 Jan-14 857 0 771 0 751 0158 Feb-14 755 0 624 0 506 0159 Mar-14 559 0 440 3 381 1160 Apr-14 246 31 170 55 148 44161 May-14 66 166 51 221 41 209162 Jun-14 4 318 0 407 0 480163 Jul-14 0 363 0 443 0 498164 Aug-14 0 452 0 500 0 453165 Sep-14 24 162 25 228 18 205166 Oct-14 140 42 102 60 76 38167 Nov-14 630 0 548 0 563 0168 Dec-14 775 0 659 0 686 0169 Jan-15 871 0 795 0 842 0170 Feb-15 685 0 590 0 532 0171 Mar-15 440 2 380 3 358 3172 Apr-15 188 20 132 52 132 13173 May-15 107 27 44 83 26 91174 Jun-15 0 309 0 377 0 408175 Jul-15 0 416 0 509 0 547176 Aug-15 0 372 0 481 0 550177 Sep-15 0 311 0 348 0 404178 Oct-15 148 36 87 69 92 69179 Nov-15 511 0 432 0 476 0180 Dec-15 735 0 660 0 724 0181 Jan-16 807 0 734 0 790 0182 Feb-16 540 1 487 4 478 0183 Mar-16 370 2 249 12 278 0

Schedule O-U8.1 Page 4 of 5

Sponsor: Marks Docket No. 49831

0433

Southwestern Public Service Company

Historical Weather Data

Line Heating Cooling Heating Cooling Heating Cooling No. Month-Year Degree Days Degree Days Degree Days Degree Days Degree Days Degree Days

Amarillo, Texas Lubbock, Texas Roswell, New Mexico

184 Apr-16 224 8 122 35 137 20185 May-16 126 77 83 176 62 158186 Jun-16 0 376 3 426 0 478187 Jul-16 0 561 0 642 0 672188 Aug-16 0 349 0 431 0 427189 Sep-16 9 212 2 254 2 231190 Oct-16 77 105 44 127 35 78191 Nov-16 379 3 318 7 349 2192 Dec-16 826 0 706 0 732 0193 Jan-17 787 0 653 0 647 0194 Feb-17 480 5 361 4 380 0195 Mar-17 347 12 220 46 175 34196 Apr-17 238 37 141 79 112 74197 May-17 94 76 23 173 10 173198 Jun-17 1 367 0 478 0 505199 Jul-17 0 477 0 504 0 563200 Aug-17 0 273 0 361 0 442201 Sep-17 44 191 25 250 6 293202 Oct-17 224 41 163 85 158 82203 Nov-17 364 8 318 11 286 6204 Dec-17 809 0 706 0 679 0205 Jan-18 811 0 774 0 758 0206 Feb-18 654 0 535 3 480 0207 Mar-18 386 9 285 27 263 17208 Apr-18 319 26 208 53 111 57209 May-18 10 288 0 412 0 368210 Jun-18 0 432 0 543 0 554211 Jul-18 0 481 0 558 0 584212 Aug-18 0 442 0 517 0 533213 Sep-18 16 210 11 251 2 223214 Oct-18 284 41 232 58 177 78215 Nov-18 624 0 536 0 522 0216 Dec-18 803 0 753 0 720 0217 Jan-19 782 0 690 0 684 0218 Feb-19 672 0 550 0 474 0219 Mar-19 587 2 494 12 400 13220 Apr-19 213 14 131 51 96 84221 May-19 119 46 52 147 27 213222 Jun-19 4 244 0 365 0 434

Schedule O-U8.1 Page 5 of 5

Sponsor: Marks Docket No. 49831

0434

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

Line Heating Cooling Heating Cooling No. Month-Year Degree Days Degree Days Degree Days Degree Days1 Jan-01 850 0 983 02 Feb-01 789 0 847 03 Mar-01 530 0 660 04 Apr-01 312 12 448 95 May-01 86 59 142 526 Jun-01 17 276 40 1707 Jul-01 0 499 0 4228 Aug-01 0 574 0 5699 Sep-01 0 433 2 389

10 Oct-01 15 240 40 17811 Nov-01 97 43 173 3212 Dec-01 478 4 478 413 Jan-02 781 0 849 014 Feb-02 647 0 730 015 Mar-02 589 0 712 016 Apr-02 328 16 442 1117 May-02 44 120 140 8218 Jun-02 4 295 50 19719 Jul-02 0 481 2 40120 Aug-02 0 482 0 44821 Sep-02 0 489 0 39722 Oct-02 13 224 56 14023 Nov-02 259 28 360 1524 Dec-02 569 1 683 025 Jan-03 769 0 878 026 Feb-03 620 0 750 027 Mar-03 468 1 721 028 Apr-03 246 8 376 829 May-03 66 110 162 5230 Jun-03 7 277 38 15331 Jul-03 0 431 4 28932 Aug-03 0 531 0 49733 Sep-03 0 412 6 37034 Oct-03 7 209 43 11535 Nov-03 110 68 183 5936 Dec-03 484 7 571 737 Jan-04 816 0 764 038 Feb-04 684 0 777 039 Mar-04 488 3 649 140 Apr-04 198 28 274 1841 May-04 82 101 17 5442 Jun-04 3 366 1 25343 Jul-04 0 426 3 31744 Aug-04 1 405 2 33245 Sep-04 2 291 87 25246 Oct-04 67 94 310 14147 Nov-04 265 5 721 1048 Dec-04 621 0 769 149 Jan-05 722 0 657 050 Feb-05 568 0 596 051 Mar-05 508 0 421 052 Apr-05 329 2 241 153 May-05 140 51 30 2454 Jun-05 10 333 0 17155 Jul-05 0 514 1 35956 Aug-05 0 488 1 40157 Sep-05 0 362 90 33058 Oct-05 59 207 279 24059 Nov-05 210 9 710 2760 Dec-05 589 0 749 261 Jan-06 880 0 639 062 Feb-06 688 0 615 063 Mar-06 568 4 309 364 Apr-06 295 44 132 1965 May-06 125 186 15 7866 Jun-06 22 470 0 29767 Jul-06 0 482 0 38368 Aug-06 0 521 21 44269 Sep-06 7 245 106 27470 Oct-06 90 83 330 9271 Nov-06 309 3 576 23

Roswell, New Mexico Texas Panhandle

Billing cycle weather data is derived from daily weather, weighted by the number of billing cycles.

Texas Panhandle weather is Amarillo and Lubbock weather, weighted based on the share of the load.

Schedule O-U8.2 Page 1 of 18

Sponsor: Marks Docket No. 49831

0435

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

Line Heating Cooling Heating Cooling No. Month-Year Degree Days Degree Days Degree Days Degree Days

Roswell, New Mexico Texas Panhandle

72 Dec-06 599 0 951 173 Jan-07 890 0 884 074 Feb-07 746 0 551 075 Mar-07 486 1 324 176 Apr-07 244 3 186 877 May-07 120 47 31 1578 Jun-07 17 217 1 10179 Jul-07 0 420 0 28680 Aug-07 0 477 0 38781 Sep-07 0 398 37 40982 Oct-07 20 272 263 23983 Nov-07 197 29 585 6484 Dec-07 482 1 928 085 Jan-08 840 0 732 086 Feb-08 616 0 562 087 Mar-08 396 2 387 088 Apr-08 226 13 152 689 May-08 90 92 24 4390 Jun-08 14 389 0 26591 Jul-08 0 473 0 37292 Aug-08 0 449 11 40093 Sep-08 0 281 77 25494 Oct-08 57 97 266 8995 Nov-08 233 7 635 596 Dec-08 597 0 797 097 Jan-09 757 0 657 098 Feb-09 581 0 446 099 Mar-09 378 7 387 4

100 Apr-09 272 8 163 7101 May-09 66 126 32 65102 Jun-09 6 305 0 206103 Jul-09 0 527 0 452104 Aug-09 0 470 9 390105 Sep-09 4 368 166 270106 Oct-09 66 122 298 72107 Nov-09 239 18 721 14108 Dec-09 689 0 721 1109 Jan-10 876 0 946 0110 Feb-10 677 0 811 0111 Mar-10 621 0 777 0112 Apr-10 267 15 350 16113 May-10 94 53 174 35114 Jun-10 10 362 32 296115 Jul-10 0 452 0 394116 Aug-10 0 477 0 441117 Sep-10 0 389 0 361118 Oct-10 8 180 34 151119 Nov-10 190 6 226 10120 Dec-10 621 0 653 0121 Jan-11 744 0 821 0122 Feb-11 762 0 845 0123 Mar-11 446 1 570 3124 Apr-11 112 51 250 22125 May-11 65 111 147 71126 Jun-11 4 392 24 382127 Jul-11 0 552 0 573128 Aug-11 0 680 0 675129 Sep-11 0 479 7 443130 Oct-11 20 179 48 128131 Nov-11 250 30 310 16132 Dec-11 646 0 699 0133 Jan-12 872 0 857 0134 Feb-12 588 0 687 0135 Mar-12 458 1 524 7136 Apr-12 131 35 159 49137 May-12 28 173 68 134138 Jun-12 7 393 20 313139 Jul-12 0 565 0 508140 Aug-12 0 615 0 591141 Sep-12 4 386 10 327142 Oct-12 45 161 111 119143 Nov-12 197 27 245 25144 Dec-12 426 0 441 2145 Jan-13 912 0 938 0146 Feb-13 547 0 611 0147 Mar-13 447 1 576 0148 Apr-13 252 26 394 10149 May-13 119 112 218 100

Schedule O-U8.2 Page 2 of 18

Sponsor: Marks Docket No. 49831

0436

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

Line Heating Cooling Heating Cooling No. Month-Year Degree Days Degree Days Degree Days Degree Days

Roswell, New Mexico Texas Panhandle

150 Jun-13 6 409 10 307151 Jul-13 0 557 0 466152 Aug-13 0 512 0 448153 Sep-13 0 408 0 389154 Oct-13 75 144 97 153155 Nov-13 246 4 307 7156 Dec-13 625 0 710 0157 Jan-14 882 0 960 0158 Feb-14 637 0 806 0159 Mar-14 445 0 635 0160 Apr-14 248 13 343 9161 May-14 97 103 151 103162 Jun-14 16 338 25 246163 Jul-14 0 510 0 385164 Aug-14 0 454 0 396165 Sep-14 8 381 14 378166 Oct-14 38 113 65 101167 Nov-14 235 16 285 21168 Dec-14 609 0 651 0169 Jan-15 889 0 935 0170 Feb-15 563 0 609 0171 Mar-15 608 0 722 0172 Apr-15 182 13 227 19173 May-15 84 29 128 23174 Jun-15 16 237 56 157175 Jul-15 0 487 0 395176 Aug-15 0 559 0 435177 Sep-15 0 489 0 373178 Oct-15 24 251 40 185179 Nov-15 187 20 204 15180 Dec-15 612 0 631 0181 Jan-16 873 0 839 0182 Feb-16 601 0 642 1183 Mar-16 392 0 446 2184 Apr-16 235 3 281 7185 May-16 94 60 166 37186 Jun-16 20 319 43 221187 Jul-16 0 573 0 502188 Aug-16 0 615 0 531189 Sep-16 0 317 1 289190 Oct-16 17 139 37 149191 Nov-16 108 38 138 59192 Dec-16 555 1 584 2193 Jan-17 737 0 830 0194 Feb-17 490 0 563 3195 Mar-17 351 11 442 9196 Apr-17 114 46 229 27197 May-17 65 112 154 60198 Jun-17 5 335 30 233199 Jul-17 0 518 0 425200 Aug-17 0 551 0 436201 Sep-17 0 367 2 249202 Oct-17 42 206 91 144203 Nov-17 212 24 273 18204 Dec-17 432 1 486 4205 Jan-18 829 0 935 0206 Feb-18 560 0 645 0207 Mar-18 441 3 553 2208 Apr-18 166 33 314 20209 May-18 58 175 143 143210 Jun-18 0 465 3 402211 Jul-18 0 573 0 486212 Aug-18 0 591 0 495213 Sep-18 0 365 1 348214 Oct-18 65 198 123 151215 Nov-18 315 10 404 4216 Dec-18 619 0 684 0217 Jan-19 762 0 822 0218 Feb-19 528 0 620 0219 Mar-19 500 0 705 0220 Apr-19 245 36 355 11221 May-19 58 139 155 39222 Jun-19 10 287 35 123

Schedule O-U8.2 Page 3 of 18

Sponsor: Marks Docket No. 49831

0437

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

Actual Panhandle billing month heating degree days or cooling degree days were calculatedby the following steps:

1. Panhandle maximum and minimum temperatures were derived by weighting Amarillo andLubbock weather based on the share of load attributed to each respective area. Weights:Amarillo 0.745, Lubbock 0.255.

2. The weighted maximum and minimum temperatures were averaged.

3. Heating degree days were calculated for each day by subtracting the average dailytemperature from 65 degrees Fahrenheit. Cooling degree days were calculated for each dayby subtracting 65 degrees Fahrenheit from the average daily temperature. For example, if theaverage daily temperature was 45 degrees Fahrenheit, then 65 minus 45, or 20 heating degreedays, were calculated for that day. If the average daily temperature was greater than 65degrees Fahrenheit, then that day recorded zero heating degree days. The same process wasapplied to cooling weather, with average daily temperatures greater than 65 degreesFahrenheit recording cooling degree days, and average daily temperatures less than 65degrees Fahrenheit resulting in zero cooling degree days.

4. The heating degree days and cooling degree days were weighted by the number of times aparticular day was included in a particular billing month (i.e., the number of cycles each dayrecording usage that will be billed in that billing month). These weighted heating degreedays and cooling degree days were summed for the month and then were divided by the totalnumber of billing cycle days to arrive at average heating degree days and cooling degree daysfor the billing month.

Schedule O-U8.2 Page 4 of 18

Sponsor: Marks Docket No. 49831

0438

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date AHDD65 ACDD65 LHDD65 LCDD651 11/26/13 20131126 33.00 0.00 28.00 0.002 11/27/13 20131127 27.00 0.00 27.00 0.003 11/28/13 20131128 22.00 0.00 20.00 0.004 11/29/13 20131129 19.00 0.00 20.00 0.005 11/30/13 20131130 14.00 0.00 14.00 0.006 12/1/13 20131201 16.00 0.00 10.00 0.007 12/2/13 20131202 16.00 0.00 12.00 0.008 12/3/13 20131203 9.00 0.00 5.00 0.009 12/4/13 20131204 29.00 0.00 14.00 0.00

10 12/5/13 20131205 48.00 0.00 42.00 0.0011 12/6/13 20131206 49.00 0.00 43.00 0.0012 12/7/13 20131207 55.00 0.00 51.00 0.0013 12/8/13 20131208 32.00 0.00 28.00 0.0014 12/9/13 20131209 47.00 0.00 42.00 0.0015 12/10/13 20131210 34.00 0.00 35.00 0.0016 12/11/13 20131211 35.00 0.00 32.00 0.0017 12/12/13 20131212 30.00 0.00 32.00 0.0018 12/13/13 20131213 18.00 0.00 16.00 0.0019 12/14/13 20131214 28.00 0.00 26.00 0.0020 12/15/13 20131215 25.00 0.00 24.00 0.0021 12/16/13 20131216 18.00 0.00 19.00 0.0022 12/17/13 20131217 18.00 0.00 17.00 0.0023 12/18/13 20131218 14.00 0.00 18.00 0.0024 12/19/13 20131219 7.00 0.00 6.00 0.0025 12/20/13 20131220 29.00 0.00 28.00 0.0026 12/21/13 20131221 41.00 0.00 25.00 0.0027 12/22/13 20131222 41.00 0.00 29.00 0.0028 12/23/13 20131223 42.00 0.00 27.00 0.0029 12/24/13 20131224 26.00 0.00 23.00 0.0030 12/25/13 20131225 30.00 0.00 28.00 0.0031 12/26/13 20131226 25.00 0.00 29.00 0.0032 12/27/13 20131227 23.00 0.00 26.00 0.0033 12/28/13 20131228 24.00 0.00 26.00 0.0034 12/29/13 20131229 40.00 0.00 36.00 0.0035 12/30/13 20131230 32.00 0.00 29.00 0.0036 12/31/13 20131231 22.00 0.00 26.00 0.0037 1/1/14 20140101 24.00 0.00 16.00 0.0038 1/2/14 20140102 32.00 0.00 31.00 0.0039 1/3/14 20140103 18.00 0.00 18.00 0.0040 1/4/14 20140104 31.00 0.00 14.00 0.0041 1/5/14 20140105 47.00 0.00 39.00 0.0042 1/6/14 20140106 45.00 0.00 45.00 0.0043 1/7/14 20140107 30.00 0.00 32.00 0.0044 1/8/14 20140108 34.00 0.00 23.00 0.0045 1/9/14 20140109 27.00 0.00 27.00 0.0046 1/10/14 20140110 22.00 0.00 18.00 0.0047 1/11/14 20140111 23.00 0.00 22.00 0.0048 1/12/14 20140112 9.00 0.00 10.00 0.0049 1/13/14 20140113 25.00 0.00 23.00 0.0050 1/14/14 20140114 27.00 0.00 22.00 0.0051 1/15/14 20140115 26.00 0.00 28.00 0.0052 1/16/14 20140116 22.00 0.00 21.00 0.0053 1/17/14 20140117 26.00 0.00 26.00 0.0054 1/18/14 20140118 19.00 0.00 21.00 0.0055 1/19/14 20140119 17.00 0.00 20.00 0.0056 1/20/14 20140120 18.00 0.00 15.00 0.0057 1/21/14 20140121 21.00 0.00 23.00 0.0058 1/22/14 20140122 29.00 0.00 30.00 0.0059 1/23/14 20140123 45.00 0.00 41.00 0.0060 1/24/14 20140124 34.00 0.00 34.00 0.0061 1/25/14 20140125 18.00 0.00 22.00 0.00

Amarillo Lubbock

Schedule O-U8.2 Page 5 of 18

Sponsor: Marks Docket No. 49831

0439

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date AHDD65 ACDD65 LHDD65 LCDD65

Amarillo Lubbock

62 1/26/14 20140126 19.00 0.00 15.00 0.0063 1/27/14 20140127 44.00 0.00 37.00 0.0064 1/28/14 20140128 46.00 0.00 45.00 0.0065 1/29/14 20140129 31.00 0.00 32.00 0.0066 1/30/14 20140130 17.00 0.00 10.00 0.0067 1/31/14 20140131 31.00 0.00 11.00 0.0068 2/1/14 20140201 35.00 0.00 27.00 0.0069 2/2/14 20140202 40.00 0.00 38.00 0.0070 2/3/14 20140203 35.00 0.00 39.00 0.0071 2/4/14 20140204 42.00 0.00 29.00 0.0072 2/5/14 20140205 56.00 0.00 47.00 0.0073 2/6/14 20140206 57.00 0.00 52.00 0.0074 2/7/14 20140207 38.00 0.00 36.00 0.0075 2/8/14 20140208 21.00 0.00 17.00 0.0076 2/9/14 20140209 34.00 0.00 16.00 0.0077 2/10/14 20140210 46.00 0.00 42.00 0.0078 2/11/14 20140211 37.00 0.00 40.00 0.0079 2/12/14 20140212 29.00 0.00 26.00 0.0080 2/13/14 20140213 16.00 0.00 13.00 0.0081 2/14/14 20140214 18.00 0.00 15.00 0.0082 2/15/14 20140215 13.00 0.00 3.00 0.0083 2/16/14 20140216 11.00 0.00 6.00 0.0084 2/17/14 20140217 11.00 0.00 11.00 0.0085 2/18/14 20140218 7.00 0.00 3.00 0.0086 2/19/14 20140219 10.00 0.00 8.00 0.0087 2/20/14 20140220 21.00 0.00 17.00 0.0088 2/21/14 20140221 22.00 0.00 15.00 0.0089 2/22/14 20140222 15.00 0.00 12.00 0.0090 2/23/14 20140223 27.00 0.00 15.00 0.0091 2/24/14 20140224 20.00 0.00 15.00 0.0092 2/25/14 20140225 34.00 0.00 26.00 0.0093 2/26/14 20140226 35.00 0.00 32.00 0.0094 2/27/14 20140227 19.00 0.00 20.00 0.0095 2/28/14 20140228 6.00 0.00 4.00 0.0096 3/1/14 20140301 27.00 0.00 7.00 0.0097 3/2/14 20140302 55.00 0.00 43.00 0.0098 3/3/14 20140303 41.00 0.00 42.00 0.0099 3/4/14 20140304 21.00 0.00 19.00 0.00100 3/5/14 20140305 30.00 0.00 25.00 0.00101 3/6/14 20140306 18.00 0.00 18.00 0.00102 3/7/14 20140307 10.00 0.00 1.00 0.00103 3/8/14 20140308 27.00 0.00 23.00 0.00104 3/9/14 20140309 17.00 0.00 20.00 0.00105 3/10/14 20140310 9.00 0.00 11.00 0.00106 3/11/14 20140311 10.00 0.00 3.00 0.00107 3/12/14 20140312 23.00 0.00 20.00 0.00108 3/13/14 20140313 18.00 0.00 19.00 0.00109 3/14/14 20140314 11.00 0.00 9.00 0.00110 3/15/14 20140315 13.00 0.00 9.00 0.00111 3/16/14 20140316 27.00 0.00 21.00 0.00112 3/17/14 20140317 13.00 0.00 14.00 0.00113 3/18/14 20140318 15.00 0.00 10.00 0.00114 3/19/14 20140319 22.00 0.00 20.00 0.00115 3/20/14 20140320 9.00 0.00 9.00 0.00116 3/21/14 20140321 11.00 0.00 0.00 2.00117 3/22/14 20140322 20.00 0.00 14.00 0.00118 3/23/14 20140323 27.00 0.00 24.00 0.00119 3/24/14 20140324 20.00 0.00 12.00 0.00120 3/25/14 20140325 22.00 0.00 20.00 0.00121 3/26/14 20140326 12.00 0.00 6.00 0.00122 3/27/14 20140327 3.00 0.00 2.00 0.00

Schedule O-U8.2 Page 6 of 18

Sponsor: Marks Docket No. 49831

0440

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date AHDD65 ACDD65 LHDD65 LCDD65

Amarillo Lubbock

123 3/28/14 20140328 13.00 0.00 5.00 0.00124 3/29/14 20140329 13.00 0.00 12.00 0.00125 3/30/14 20140330 1.00 0.00 2.00 0.00126 3/31/14 20140331 1.00 0.00 0.00 1.00127 4/1/14 20140401 11.00 0.00 3.00 0.00128 4/2/14 20140402 0.00 0.00 0.00 4.00129 4/3/14 20140403 14.00 0.00 7.00 0.00130 4/4/14 20140404 18.00 0.00 17.00 0.00131 4/5/14 20140405 14.00 0.00 10.00 0.00132 4/6/14 20140406 17.00 0.00 12.00 0.00133 4/7/14 20140407 15.00 0.00 12.00 0.00134 4/8/14 20140408 10.00 0.00 10.00 0.00135 4/9/14 20140409 0.00 1.00 0.00 2.00136 4/10/14 20140410 0.00 0.00 0.00 6.00137 4/11/14 20140411 3.00 0.00 0.00 0.00138 4/12/14 20140412 0.00 4.00 0.00 7.00139 4/13/14 20140413 14.00 0.00 2.00 0.00140 4/14/14 20140414 29.00 0.00 24.00 0.00141 4/15/14 20140415 19.00 0.00 19.00 0.00142 4/16/14 20140416 4.00 0.00 1.00 0.00143 4/17/14 20140417 20.00 0.00 13.00 0.00144 4/18/14 20140418 10.00 0.00 9.00 0.00145 4/19/14 20140419 3.00 0.00 3.00 0.00146 4/20/14 20140420 1.00 0.00 0.00 1.00147 4/21/14 20140421 2.00 0.00 0.00 2.00148 4/22/14 20140422 0.00 2.00 0.00 4.00149 4/23/14 20140423 0.00 9.00 0.00 11.00150 4/24/14 20140424 4.00 0.00 0.00 0.00151 4/25/14 20140425 0.00 5.00 0.00 5.00152 4/26/14 20140426 0.00 10.00 0.00 13.00153 4/27/14 20140427 3.00 0.00 2.00 0.00154 4/28/14 20140428 6.00 0.00 5.00 0.00155 4/29/14 20140429 13.00 0.00 9.00 0.00156 4/30/14 20140430 16.00 0.00 12.00 0.00157 5/1/14 20140501 14.00 0.00 12.00 0.00158 5/2/14 20140502 6.00 0.00 5.00 0.00159 5/3/14 20140503 0.00 6.00 0.00 4.00160 5/4/14 20140504 0.00 13.00 0.00 15.00161 5/5/14 20140505 0.00 10.00 0.00 17.00162 5/6/14 20140506 0.00 11.00 0.00 13.00163 5/7/14 20140507 0.00 10.00 0.00 15.00164 5/8/14 20140508 0.00 3.00 0.00 3.00165 5/9/14 20140509 2.00 0.00 0.00 4.00166 5/10/14 20140510 0.00 6.00 0.00 11.00167 5/11/14 20140511 0.00 7.00 0.00 17.00168 5/12/14 20140512 11.00 0.00 3.00 0.00169 5/13/14 20140513 13.00 0.00 11.00 0.00170 5/14/14 20140514 12.00 0.00 10.00 0.00171 5/15/14 20140515 3.00 0.00 3.00 0.00172 5/16/14 20140516 0.00 2.00 0.00 3.00173 5/17/14 20140517 1.00 0.00 0.00 3.00174 5/18/14 20140518 0.00 8.00 0.00 10.00175 5/19/14 20140519 0.00 17.00 0.00 17.00176 5/20/14 20140520 0.00 14.00 0.00 19.00177 5/21/14 20140521 0.00 11.00 0.00 14.00178 5/22/14 20140522 0.00 8.00 0.00 11.00179 5/23/14 20140523 1.00 0.00 0.00 2.00180 5/24/14 20140524 1.00 0.00 2.00 0.00181 5/25/14 20140525 1.00 0.00 1.00 0.00182 5/26/14 20140526 1.00 0.00 4.00 0.00183 5/27/14 20140527 0.00 3.00 0.00 3.00

Schedule O-U8.2 Page 7 of 18

Sponsor: Marks Docket No. 49831

0441

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date AHDD65 ACDD65 LHDD65 LCDD65

Amarillo Lubbock

184 5/28/14 20140528 0.00 8.00 0.00 7.00185 5/29/14 20140529 0.00 9.00 0.00 9.00186 5/30/14 20140530 0.00 10.00 0.00 12.00187 5/31/14 20140531 0.00 10.00 0.00 12.00188 6/1/14 20140601 0.00 17.00 0.00 17.00189 6/2/14 20140602 0.00 11.00 0.00 15.00190 6/3/14 20140603 0.00 17.00 0.00 16.00191 6/4/14 20140604 0.00 20.00 0.00 21.00192 6/5/14 20140605 0.00 16.00 0.00 21.00193 6/6/14 20140606 0.00 10.00 0.00 16.00194 6/7/14 20140607 0.00 5.00 0.00 9.00195 6/8/14 20140608 1.00 0.00 0.00 3.00196 6/9/14 20140609 3.00 0.00 0.00 2.00197 6/10/14 20140610 0.00 2.00 0.00 4.00198 6/11/14 20140611 0.00 11.00 0.00 14.00199 6/12/14 20140612 0.00 3.00 0.00 7.00200 6/13/14 20140613 0.00 7.00 0.00 9.00201 6/14/14 20140614 0.00 13.00 0.00 12.00202 6/15/14 20140615 0.00 7.00 0.00 15.00203 6/16/14 20140616 0.00 18.00 0.00 18.00204 6/17/14 20140617 0.00 17.00 0.00 18.00205 6/18/14 20140618 0.00 15.00 0.00 16.00206 6/19/14 20140619 0.00 6.00 0.00 11.00207 6/20/14 20140620 0.00 9.00 0.00 11.00208 6/21/14 20140621 0.00 9.00 0.00 9.00209 6/22/14 20140622 0.00 10.00 0.00 14.00210 6/23/14 20140623 0.00 5.00 0.00 10.00211 6/24/14 20140624 0.00 7.00 0.00 11.00212 6/25/14 20140625 0.00 7.00 0.00 10.00213 6/26/14 20140626 0.00 12.00 0.00 14.00214 6/27/14 20140627 0.00 15.00 0.00 19.00215 6/28/14 20140628 0.00 15.00 0.00 20.00216 6/29/14 20140629 0.00 18.00 0.00 23.00217 6/30/14 20140630 0.00 16.00 0.00 22.00

Schedule O-U8.2 Page 8 of 18

Sponsor: Marks Docket No. 49831

0442

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date1 11/26/132 11/27/133 11/28/134 11/29/135 11/30/136 12/1/137 12/2/138 12/3/139 12/4/13

10 12/5/1311 12/6/1312 12/7/1313 12/8/1314 12/9/1315 12/10/1316 12/11/1317 12/12/1318 12/13/1319 12/14/1320 12/15/1321 12/16/1322 12/17/1323 12/18/1324 12/19/1325 12/20/1326 12/21/1327 12/22/1328 12/23/1329 12/24/1330 12/25/1331 12/26/1332 12/27/1333 12/28/1334 12/29/1335 12/30/1336 12/31/1337 1/1/1438 1/2/1439 1/3/1440 1/4/1441 1/5/1442 1/6/1443 1/7/1444 1/8/1445 1/9/1446 1/10/1447 1/11/1448 1/12/1449 1/13/1450 1/14/1451 1/15/1452 1/16/1453 1/17/1454 1/18/1455 1/19/1456 1/20/1457 1/21/1458 1/22/1459 1/23/1460 1/24/1461 1/25/14

Max Min Max Min41.00 23.00 47.00 26.0054.00 22.00 52.00 23.0054.00 31.00 57.00 33.0061.00 30.00 60.00 30.0065.00 36.00 69.00 33.0061.00 37.00 70.00 40.0067.00 30.00 71.00 34.0072.00 40.00 77.00 42.0051.00 20.00 74.00 28.0020.00 13.00 28.00 18.0023.00 8.00 29.00 14.0016.00 3.00 17.00 10.0050.00 15.00 58.00 15.0025.00 10.00 30.00 15.0053.00 8.00 49.00 10.0039.00 20.00 43.00 23.0053.00 17.00 45.00 21.0062.00 32.00 63.00 34.0050.00 24.00 52.00 25.0057.00 23.00 60.00 21.0068.00 26.00 69.00 22.0064.00 30.00 69.00 26.0070.00 32.00 68.00 25.0072.00 43.00 75.00 42.0048.00 24.00 44.00 30.0031.00 17.00 50.00 29.0033.00 15.00 44.00 27.0027.00 18.00 50.00 26.0060.00 18.00 59.00 25.0044.00 26.00 49.00 24.0055.00 24.00 52.00 19.0057.00 26.00 55.00 22.0058.00 24.00 54.00 24.0033.00 16.00 38.00 19.0051.00 14.00 55.00 17.0060.00 25.00 57.00 21.0059.00 23.00 68.00 29.0050.00 15.00 48.00 19.0064.00 29.00 61.00 32.0047.00 21.00 72.00 30.0024.00 11.00 38.00 14.0032.00 7.00 32.00 7.0052.00 18.00 50.00 16.0040.00 21.00 57.00 27.0060.00 16.00 55.00 21.0055.00 30.00 62.00 32.0063.00 21.00 64.00 22.0071.00 40.00 76.00 33.0054.00 26.00 58.00 26.0048.00 28.00 59.00 26.0056.00 21.00 56.00 18.0053.00 32.00 60.00 27.0055.00 23.00 55.00 22.0062.00 30.00 64.00 23.0069.00 26.00 68.00 21.0060.00 33.00 69.00 31.0065.00 22.00 63.00 21.0048.00 24.00 50.00 20.0033.00 6.00 36.00 11.0056.00 5.00 53.00 9.0063.00 30.00 64.00 21.00

Amarillo Lubbock

Schedule O-U8.2 Page 9 of 18

Sponsor: Marks Docket No. 49831

0443

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date62 1/26/1463 1/27/1464 1/28/1465 1/29/1466 1/30/1467 1/31/1468 2/1/1469 2/2/1470 2/3/1471 2/4/1472 2/5/1473 2/6/1474 2/7/1475 2/8/1476 2/9/1477 2/10/1478 2/11/1479 2/12/1480 2/13/1481 2/14/1482 2/15/1483 2/16/1484 2/17/1485 2/18/1486 2/19/1487 2/20/1488 2/21/1489 2/22/1490 2/23/1491 2/24/1492 2/25/1493 2/26/1494 2/27/1495 2/28/1496 3/1/1497 3/2/1498 3/3/1499 3/4/14100 3/5/14101 3/6/14102 3/7/14103 3/8/14104 3/9/14105 3/10/14106 3/11/14107 3/12/14108 3/13/14109 3/14/14110 3/15/14111 3/16/14112 3/17/14113 3/18/14114 3/19/14115 3/20/14116 3/21/14117 3/22/14118 3/23/14119 3/24/14120 3/25/14121 3/26/14122 3/27/14

Max Min Max MinAmarillo Lubbock

62.00 30.00 69.00 30.0032.00 9.00 41.00 15.0033.00 4.00 34.00 6.0052.00 16.00 51.00 14.0061.00 34.00 78.00 31.0041.00 26.00 71.00 37.0039.00 20.00 48.00 28.0034.00 15.00 32.00 22.0040.00 19.00 31.00 20.0031.00 14.00 48.00 24.0014.00 3.00 25.00 10.0014.00 1.00 19.00 7.0044.00 9.00 46.00 12.0064.00 24.00 67.00 29.0042.00 20.00 72.00 26.0022.00 16.00 26.00 19.0038.00 17.00 30.00 19.0051.00 20.00 60.00 17.0067.00 30.00 71.00 32.0057.00 36.00 63.00 37.0071.00 33.00 87.00 36.0077.00 31.00 83.00 35.0066.00 41.00 66.00 42.0077.00 39.00 81.00 42.0072.00 37.00 79.00 34.0060.00 28.00 63.00 33.0062.00 23.00 68.00 31.0070.00 30.00 76.00 30.0050.00 26.00 62.00 38.0068.00 21.00 70.00 30.0041.00 20.00 45.00 33.0044.00 15.00 45.00 21.0072.00 20.00 67.00 23.0074.00 43.00 78.00 44.0061.00 15.00 85.00 31.0015.00 5.00 31.00 12.0044.00 3.00 37.00 9.0064.00 24.00 69.00 22.0045.00 24.00 52.00 28.0070.00 23.00 70.00 23.0072.00 37.00 83.00 44.0047.00 28.00 53.00 31.0067.00 28.00 65.00 24.0079.00 33.00 78.00 30.0074.00 36.00 83.00 40.0054.00 30.00 58.00 31.0067.00 27.00 67.00 24.0066.00 42.00 75.00 36.0067.00 37.00 73.00 38.0050.00 26.00 56.00 31.0075.00 28.00 77.00 25.0065.00 34.00 71.00 39.0058.00 28.00 62.00 27.0078.00 33.00 78.00 34.0066.00 42.00 83.00 51.0059.00 30.00 62.00 39.0053.00 22.00 55.00 26.0058.00 31.00 72.00 34.0061.00 25.00 60.00 29.0069.00 36.00 74.00 44.0074.00 50.00 77.00 49.00

Schedule O-U8.2 Page 10 of 18

Sponsor: Marks Docket No. 49831

0444

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date123 3/28/14124 3/29/14125 3/30/14126 3/31/14127 4/1/14128 4/2/14129 4/3/14130 4/4/14131 4/5/14132 4/6/14133 4/7/14134 4/8/14135 4/9/14136 4/10/14137 4/11/14138 4/12/14139 4/13/14140 4/14/14141 4/15/14142 4/16/14143 4/17/14144 4/18/14145 4/19/14146 4/20/14147 4/21/14148 4/22/14149 4/23/14150 4/24/14151 4/25/14152 4/26/14153 4/27/14154 4/28/14155 4/29/14156 4/30/14157 5/1/14158 5/2/14159 5/3/14160 5/4/14161 5/5/14162 5/6/14163 5/7/14164 5/8/14165 5/9/14166 5/10/14167 5/11/14168 5/12/14169 5/13/14170 5/14/14171 5/15/14172 5/16/14173 5/17/14174 5/18/14175 5/19/14176 5/20/14177 5/21/14178 5/22/14179 5/23/14180 5/24/14181 5/25/14182 5/26/14183 5/27/14

Max Min Max MinAmarillo Lubbock

63.00 41.00 76.00 44.0070.00 34.00 72.00 33.0081.00 47.00 82.00 44.0077.00 50.00 82.00 50.0076.00 31.00 84.00 39.0085.00 44.00 85.00 53.0066.00 35.00 74.00 41.0065.00 29.00 66.00 29.0060.00 42.00 66.00 43.0062.00 33.00 66.00 40.0060.00 40.00 67.00 39.0073.00 36.00 76.00 34.0088.00 43.00 89.00 44.0080.00 50.00 91.00 50.0082.00 42.00 84.00 46.0089.00 48.00 92.00 52.0071.00 31.00 86.00 39.0044.00 27.00 50.00 31.0067.00 24.00 66.00 25.0077.00 45.00 83.00 45.0053.00 36.00 62.00 41.0074.00 36.00 72.00 39.0075.00 48.00 71.00 52.0078.00 49.00 78.00 53.0080.00 46.00 84.00 49.0084.00 50.00 85.00 52.0089.00 59.00 90.00 61.0074.00 48.00 77.00 53.0090.00 50.00 90.00 49.0089.00 61.00 90.00 66.0076.00 47.00 76.00 50.0072.00 45.00 78.00 42.0060.00 43.00 67.00 45.0062.00 35.00 65.00 40.0064.00 38.00 68.00 38.0077.00 40.00 79.00 40.0093.00 48.00 92.00 46.0097.00 58.00 95.00 65.0098.00 52.00 99.00 64.0093.00 59.00 94.00 61.0092.00 58.00 93.00 66.0080.00 56.00 83.00 53.0082.00 44.00 86.00 52.0091.00 51.00 94.00 58.0095.00 49.00 96.00 67.0064.00 43.00 76.00 47.0062.00 41.00 65.00 43.0068.00 38.00 71.00 39.0077.00 46.00 83.00 40.0088.00 45.00 91.00 45.0078.00 49.00 82.00 53.0091.00 55.00 93.00 56.0098.00 65.00 98.00 65.0097.00 61.00 100.00 68.0090.00 62.00 94.00 64.0088.00 57.00 89.00 62.0069.00 59.00 72.00 61.0072.00 55.00 70.00 55.0074.00 54.00 73.00 55.0072.00 55.00 69.00 53.0080.00 56.00 82.00 54.00

Schedule O-U8.2 Page 11 of 18

Sponsor: Marks Docket No. 49831

0445

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date184 5/28/14185 5/29/14186 5/30/14187 5/31/14188 6/1/14189 6/2/14190 6/3/14191 6/4/14192 6/5/14193 6/6/14194 6/7/14195 6/8/14196 6/9/14197 6/10/14198 6/11/14199 6/12/14200 6/13/14201 6/14/14202 6/15/14203 6/16/14204 6/17/14205 6/18/14206 6/19/14207 6/20/14208 6/21/14209 6/22/14210 6/23/14211 6/24/14212 6/25/14213 6/26/14214 6/27/14215 6/28/14216 6/29/14217 6/30/14

Max Min Max MinAmarillo Lubbock

89.00 57.00 86.00 57.0088.00 59.00 86.00 61.0087.00 63.00 89.00 65.0088.00 62.00 90.00 64.0096.00 67.00 96.00 67.0087.00 64.00 92.00 67.0094.00 69.00 94.00 68.00100.00 70.00 103.00 69.0091.00 70.00 100.00 72.0088.00 62.00 94.00 67.0079.00 61.00 86.00 62.0073.00 54.00 75.00 61.0070.00 54.00 77.00 56.0082.00 52.00 84.00 54.0093.00 59.00 95.00 63.0075.00 61.00 80.00 64.0083.00 60.00 85.00 62.0092.00 64.00 91.00 63.0087.00 56.00 93.00 66.0094.00 71.00 94.00 72.0095.00 68.00 95.00 70.0090.00 70.00 91.00 70.0083.00 59.00 88.00 63.0086.00 62.00 85.00 66.0084.00 63.00 82.00 66.0091.00 59.00 91.00 67.0080.00 60.00 86.00 63.0082.00 61.00 86.00 65.0083.00 60.00 85.00 65.0088.00 65.00 93.00 65.0091.00 69.00 98.00 70.0091.00 69.00 99.00 71.0096.00 70.00 102.00 73.0096.00 66.00 100.00 73.00

Schedule O-U8.2 Page 12 of 18

Sponsor: Marks Docket No. 49831

0446

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date1 11/26/132 11/27/133 11/28/134 11/29/135 11/30/136 12/1/137 12/2/138 12/3/139 12/4/13

10 12/5/1311 12/6/1312 12/7/1313 12/8/1314 12/9/1315 12/10/1316 12/11/1317 12/12/1318 12/13/1319 12/14/1320 12/15/1321 12/16/1322 12/17/1323 12/18/1324 12/19/1325 12/20/1326 12/21/1327 12/22/1328 12/23/1329 12/24/1330 12/25/1331 12/26/1332 12/27/1333 12/28/1334 12/29/1335 12/30/1336 12/31/1337 1/1/1438 1/2/1439 1/3/1440 1/4/1441 1/5/1442 1/6/1443 1/7/1444 1/8/1445 1/9/1446 1/10/1447 1/11/1448 1/12/1449 1/13/1450 1/14/1451 1/15/1452 1/16/1453 1/17/1454 1/18/1455 1/19/1456 1/20/1457 1/21/1458 1/22/1459 1/23/1460 1/24/1461 1/25/14

Max Min Avg PHDD65 PCDD6543.00 24.00 34.00 31.00 0.0053.00 22.00 38.00 27.00 0.0055.00 32.00 44.00 21.00 0.0061.00 30.00 46.00 19.00 0.0066.00 35.00 51.00 14.00 0.0063.00 38.00 51.00 14.00 0.0068.00 31.00 50.00 15.00 0.0073.00 41.00 57.00 8.00 0.0057.00 22.00 40.00 25.00 0.0022.00 14.00 18.00 47.00 0.0025.00 10.00 18.00 47.00 0.0016.00 5.00 11.00 54.00 0.0052.00 15.00 34.00 31.00 0.0026.00 11.00 19.00 46.00 0.0052.00 9.00 31.00 34.00 0.0040.00 21.00 31.00 34.00 0.0051.00 18.00 35.00 30.00 0.0062.00 33.00 48.00 17.00 0.0051.00 24.00 38.00 27.00 0.0058.00 22.00 40.00 25.00 0.0068.00 25.00 47.00 18.00 0.0065.00 29.00 47.00 18.00 0.0069.00 30.00 50.00 15.00 0.0073.00 43.00 58.00 7.00 0.0047.00 26.00 37.00 28.00 0.0036.00 20.00 28.00 37.00 0.0036.00 18.00 27.00 38.00 0.0033.00 20.00 27.00 38.00 0.0060.00 20.00 40.00 25.00 0.0045.00 25.00 35.00 30.00 0.0054.00 23.00 39.00 26.00 0.0056.00 25.00 41.00 24.00 0.0057.00 24.00 41.00 24.00 0.0034.00 17.00 26.00 39.00 0.0052.00 15.00 34.00 31.00 0.0059.00 24.00 42.00 23.00 0.0061.00 25.00 43.00 22.00 0.0049.00 16.00 33.00 32.00 0.0063.00 30.00 47.00 18.00 0.0053.00 23.00 38.00 27.00 0.0028.00 12.00 20.00 45.00 0.0032.00 7.00 20.00 45.00 0.0051.00 17.00 34.00 31.00 0.0044.00 23.00 34.00 31.00 0.0059.00 17.00 38.00 27.00 0.0057.00 31.00 44.00 21.00 0.0063.00 21.00 42.00 23.00 0.0072.00 38.00 55.00 10.00 0.0055.00 26.00 41.00 24.00 0.0051.00 27.00 39.00 26.00 0.0056.00 20.00 38.00 27.00 0.0055.00 31.00 43.00 22.00 0.0055.00 23.00 39.00 26.00 0.0063.00 28.00 46.00 19.00 0.0069.00 25.00 47.00 18.00 0.0062.00 32.00 47.00 18.00 0.0064.00 22.00 43.00 22.00 0.0049.00 23.00 36.00 29.00 0.0034.00 7.00 21.00 44.00 0.0055.00 6.00 31.00 34.00 0.0063.00 28.00 46.00 19.00 0.00

Panhandle

Schedule O-U8.2 Page 13 of 18

Sponsor: Marks Docket No. 49831

0447

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date62 1/26/1463 1/27/1464 1/28/1465 1/29/1466 1/30/1467 1/31/1468 2/1/1469 2/2/1470 2/3/1471 2/4/1472 2/5/1473 2/6/1474 2/7/1475 2/8/1476 2/9/1477 2/10/1478 2/11/1479 2/12/1480 2/13/1481 2/14/1482 2/15/1483 2/16/1484 2/17/1485 2/18/1486 2/19/1487 2/20/1488 2/21/1489 2/22/1490 2/23/1491 2/24/1492 2/25/1493 2/26/1494 2/27/1495 2/28/1496 3/1/1497 3/2/1498 3/3/1499 3/4/14100 3/5/14101 3/6/14102 3/7/14103 3/8/14104 3/9/14105 3/10/14106 3/11/14107 3/12/14108 3/13/14109 3/14/14110 3/15/14111 3/16/14112 3/17/14113 3/18/14114 3/19/14115 3/20/14116 3/21/14117 3/22/14118 3/23/14119 3/24/14120 3/25/14121 3/26/14122 3/27/14

Max Min Avg PHDD65 PCDD65Panhandle

64.00 30.00 47.00 18.00 0.0034.00 11.00 23.00 42.00 0.0033.00 5.00 19.00 46.00 0.0052.00 15.00 34.00 31.00 0.0065.00 33.00 49.00 16.00 0.0049.00 29.00 39.00 26.00 0.0041.00 22.00 32.00 33.00 0.0033.00 17.00 25.00 40.00 0.0038.00 19.00 29.00 36.00 0.0035.00 17.00 26.00 39.00 0.0017.00 5.00 11.00 54.00 0.0015.00 3.00 9.00 56.00 0.0045.00 10.00 28.00 37.00 0.0065.00 25.00 45.00 20.00 0.0050.00 22.00 36.00 29.00 0.0023.00 17.00 20.00 45.00 0.0036.00 18.00 27.00 38.00 0.0053.00 19.00 36.00 29.00 0.0068.00 31.00 50.00 15.00 0.0059.00 36.00 48.00 17.00 0.0075.00 34.00 55.00 10.00 0.0079.00 32.00 56.00 9.00 0.0066.00 41.00 54.00 11.00 0.0078.00 40.00 59.00 6.00 0.0074.00 36.00 55.00 10.00 0.0061.00 29.00 45.00 20.00 0.0064.00 25.00 45.00 20.00 0.0072.00 30.00 51.00 14.00 0.0053.00 29.00 41.00 24.00 0.0069.00 23.00 46.00 19.00 0.0042.00 23.00 33.00 32.00 0.0044.00 17.00 31.00 34.00 0.0071.00 21.00 46.00 19.00 0.0075.00 43.00 59.00 6.00 0.0067.00 19.00 43.00 22.00 0.0019.00 7.00 13.00 52.00 0.0042.00 5.00 24.00 41.00 0.0065.00 23.00 44.00 21.00 0.0047.00 25.00 36.00 29.00 0.0070.00 23.00 47.00 18.00 0.0075.00 39.00 57.00 8.00 0.0049.00 29.00 39.00 26.00 0.0066.00 27.00 47.00 18.00 0.0079.00 32.00 56.00 9.00 0.0076.00 37.00 57.00 8.00 0.0055.00 30.00 43.00 22.00 0.0067.00 26.00 47.00 18.00 0.0068.00 40.00 54.00 11.00 0.0069.00 37.00 53.00 12.00 0.0052.00 27.00 40.00 25.00 0.0076.00 27.00 52.00 13.00 0.0067.00 35.00 51.00 14.00 0.0059.00 28.00 44.00 21.00 0.0078.00 33.00 56.00 9.00 0.0070.00 44.00 57.00 8.00 0.0060.00 32.00 46.00 19.00 0.0054.00 23.00 39.00 26.00 0.0062.00 32.00 47.00 18.00 0.0061.00 26.00 44.00 21.00 0.0070.00 38.00 54.00 11.00 0.0075.00 50.00 63.00 2.00 0.00

Schedule O-U8.2 Page 14 of 18

Sponsor: Marks Docket No. 49831

0448

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date123 3/28/14124 3/29/14125 3/30/14126 3/31/14127 4/1/14128 4/2/14129 4/3/14130 4/4/14131 4/5/14132 4/6/14133 4/7/14134 4/8/14135 4/9/14136 4/10/14137 4/11/14138 4/12/14139 4/13/14140 4/14/14141 4/15/14142 4/16/14143 4/17/14144 4/18/14145 4/19/14146 4/20/14147 4/21/14148 4/22/14149 4/23/14150 4/24/14151 4/25/14152 4/26/14153 4/27/14154 4/28/14155 4/29/14156 4/30/14157 5/1/14158 5/2/14159 5/3/14160 5/4/14161 5/5/14162 5/6/14163 5/7/14164 5/8/14165 5/9/14166 5/10/14167 5/11/14168 5/12/14169 5/13/14170 5/14/14171 5/15/14172 5/16/14173 5/17/14174 5/18/14175 5/19/14176 5/20/14177 5/21/14178 5/22/14179 5/23/14180 5/24/14181 5/25/14182 5/26/14183 5/27/14

Max Min Avg PHDD65 PCDD65Panhandle

66.00 42.00 54.00 11.00 0.0071.00 34.00 53.00 12.00 0.0081.00 46.00 64.00 1.00 0.0078.00 50.00 64.00 1.00 0.0078.00 33.00 56.00 9.00 0.0085.00 46.00 66.00 0.00 1.0068.00 37.00 53.00 12.00 0.0065.00 29.00 47.00 18.00 0.0062.00 42.00 52.00 13.00 0.0063.00 35.00 49.00 16.00 0.0062.00 40.00 51.00 14.00 0.0074.00 35.00 55.00 10.00 0.0088.00 43.00 66.00 0.00 1.0083.00 50.00 67.00 0.00 2.0083.00 43.00 63.00 2.00 0.0090.00 49.00 70.00 0.00 5.0075.00 33.00 54.00 11.00 0.0046.00 28.00 37.00 28.00 0.0067.00 24.00 46.00 19.00 0.0079.00 45.00 62.00 3.00 0.0055.00 37.00 46.00 19.00 0.0073.00 37.00 55.00 10.00 0.0074.00 49.00 62.00 3.00 0.0078.00 50.00 64.00 1.00 0.0081.00 47.00 64.00 1.00 0.0084.00 51.00 68.00 0.00 3.0089.00 60.00 75.00 0.00 10.0075.00 49.00 62.00 3.00 0.0090.00 50.00 70.00 0.00 5.0089.00 62.00 76.00 0.00 11.0076.00 48.00 62.00 3.00 0.0074.00 44.00 59.00 6.00 0.0062.00 44.00 53.00 12.00 0.0063.00 36.00 50.00 15.00 0.0065.00 38.00 52.00 13.00 0.0078.00 40.00 59.00 6.00 0.0093.00 47.00 70.00 0.00 5.0096.00 60.00 78.00 0.00 13.0098.00 55.00 77.00 0.00 12.0093.00 60.00 77.00 0.00 12.0092.00 60.00 76.00 0.00 11.0081.00 55.00 68.00 0.00 3.0083.00 46.00 65.00 0.00 0.0092.00 53.00 73.00 0.00 8.0095.00 54.00 75.00 0.00 10.0067.00 44.00 56.00 9.00 0.0063.00 42.00 53.00 12.00 0.0069.00 38.00 54.00 11.00 0.0079.00 44.00 62.00 3.00 0.0089.00 45.00 67.00 0.00 2.0079.00 50.00 65.00 0.00 0.0092.00 55.00 74.00 0.00 9.0098.00 65.00 82.00 0.00 17.0098.00 63.00 81.00 0.00 16.0091.00 63.00 77.00 0.00 12.0088.00 58.00 73.00 0.00 8.0070.00 60.00 65.00 0.00 0.0071.00 55.00 63.00 2.00 0.0074.00 54.00 64.00 1.00 0.0071.00 54.00 63.00 2.00 0.0081.00 55.00 68.00 0.00 3.00

Schedule O-U8.2 Page 15 of 18

Sponsor: Marks Docket No. 49831

0449

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

LineNo. Date184 5/28/14185 5/29/14186 5/30/14187 5/31/14188 6/1/14189 6/2/14190 6/3/14191 6/4/14192 6/5/14193 6/6/14194 6/7/14195 6/8/14196 6/9/14197 6/10/14198 6/11/14199 6/12/14200 6/13/14201 6/14/14202 6/15/14203 6/16/14204 6/17/14205 6/18/14206 6/19/14207 6/20/14208 6/21/14209 6/22/14210 6/23/14211 6/24/14212 6/25/14213 6/26/14214 6/27/14215 6/28/14216 6/29/14217 6/30/14

Max Min Avg PHDD65 PCDD65Panhandle

88.00 57.00 73.00 0.00 8.0087.00 60.00 74.00 0.00 9.0088.00 64.00 76.00 0.00 11.0089.00 63.00 76.00 0.00 11.0096.00 67.00 82.00 0.00 17.0088.00 65.00 77.00 0.00 12.0094.00 69.00 82.00 0.00 17.00101.00 70.00 86.00 0.00 21.0093.00 71.00 82.00 0.00 17.0090.00 63.00 77.00 0.00 12.0081.00 61.00 71.00 0.00 6.0074.00 56.00 65.00 0.00 0.0072.00 55.00 64.00 1.00 0.0083.00 53.00 68.00 0.00 3.0094.00 60.00 77.00 0.00 12.0076.00 62.00 69.00 0.00 4.0084.00 61.00 73.00 0.00 8.0092.00 64.00 78.00 0.00 13.0089.00 59.00 74.00 0.00 9.0094.00 71.00 83.00 0.00 18.0095.00 69.00 82.00 0.00 17.0090.00 70.00 80.00 0.00 15.0084.00 60.00 72.00 0.00 7.0086.00 63.00 75.00 0.00 10.0083.00 64.00 74.00 0.00 9.0091.00 61.00 76.00 0.00 11.0082.00 61.00 72.00 0.00 7.0083.00 62.00 73.00 0.00 8.0084.00 61.00 73.00 0.00 8.0089.00 65.00 77.00 0.00 12.0093.00 69.00 81.00 0.00 16.0093.00 70.00 82.00 0.00 17.0098.00 71.00 85.00 0.00 20.0097.00 68.00 83.00 0.00 18.00

Schedule O-U8.2 Page 16 of 18

Sponsor: Marks Docket No. 49831

0450

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

2014Heating Cooling

2015Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Total Cycles check

11/26/2013 1 19 1 21 0 31 011/27/2013 19 2 21 0 27 011/28/2013 19 2 21 0 21 011/29/2013 19 2 21 0 19 011/30/2013 19 2 21 0 14 012/1/2013 19 2 21 0 14 012/2/2013 18 3 21 0 15 012/3/2013 17 4 21 0 8 012/4/2013 16 5 21 0 25 012/5/2013 15 6 21 0 47 012/6/2013 14 7 21 0 47 012/7/2013 14 7 21 0 54 012/8/2013 14 7 21 0 31 012/9/2013 13 8 21 0 46 0

12/10/2013 12 9 21 0 34 012/11/2013 11 10 21 0 34 012/12/2013 10 11 21 0 30 012/13/2013 9 12 21 0 17 012/14/2013 9 12 21 0 27 012/15/2013 9 12 21 0 25 012/16/2013 8 13 21 0 18 012/17/2013 7 14 21 0 18 012/18/2013 6 15 21 0 15 012/19/2013 5 16 21 0 7 012/20/2013 4 17 21 0 28 012/21/2013 4 17 21 0 37 012/22/2013 4 17 21 0 38 012/23/2013 3 18 21 0 38 012/24/2013 3 18 21 0 25 012/25/2013 3 18 21 0 30 012/26/2013 2 19 21 0 26 012/27/2013 1 20 21 0 24 012/28/2013 1 20 21 0 24 012/29/2013 1 20 21 0 39 012/30/2013 21 21 0 31 012/31/2013 21 21 0 23 0

1/1/2014 21 21 0 Jan 22 01/2/2014 20 1 21 0 Jan 32 01/3/2014 19 2 21 0 Jan 18 01/4/2014 19 2 21 0 Jan 27 01/5/2014 19 2 21 0 Jan 45 01/6/2014 18 3 21 0 Jan 45 01/7/2014 17 4 21 0 Jan 31 01/8/2014 16 5 21 0 Jan 31 01/9/2014 15 6 21 0 Jan 27 0

1/10/2014 14 7 21 0 Jan 21 01/11/2014 14 7 21 0 Jan 23 01/12/2014 14 7 21 0 Jan 10 01/13/2014 13 8 21 0 Jan 24 01/14/2014 12 9 21 0 Jan 26 01/15/2014 11 10 21 0 Jan 27 01/16/2014 10 11 21 0 Jan 22 01/17/2014 9 12 21 0 Jan 26 01/18/2014 9 12 21 0 Jan 19 01/19/2014 9 12 21 0 Jan 18 01/20/2014 8 13 21 0 Jan 18 01/21/2014 7 14 21 0 Jan 22 01/22/2014 6 15 21 0 Jan 29 01/23/2014 5 16 21 0 Jan 44 01/24/2014 4 17 21 0 Jan 34 01/25/2014 4 17 21 0 Jan 19 01/26/2014 4 17 21 0 Jan 18 01/27/2014 3 18 21 0 Jan 42 01/28/2014 2 19 21 0 Jan 46 01/29/2014 1 20 21 0 Jan 31 01/30/2014 20 1 21 0 Jan 16 01/31/2014 19 2 21 0 Jan 26 0

Number of Cycles in Each Day Recording Usage That Will Be Billed In The Billing MonthPanhandle

ACTUAL DEGREE

DAYS

201420142013

CRS BILLING MONTHCRS BILLING MONTHDate

energy was

Schedule O-U8.2 Page 17 of 18

Sponsor: Marks Docket No. 49831

0451

Southwestern Public Service Company

Historical Weather Data after Weighting and Billing Cycle Adjustments

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec BillDays

20,156 8,812 68 0 0 0 Total

960 420 3 0 0 0 0 0 0 0 0 0 1,383HDD

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec BillDays

0 0 0 0 0 0 Total

0 0 0 0 0 0 0 0 0 0 0 0 0CDD

Billing Cycle Weighted ACTUAL Cooling Degree 2014

Billing Cycle Weighted ACTUAL Heating Degree 2014

Schedule O-U8.2 Page 18 of 18

Sponsor: Marks Docket No. 49831

0452