INJECTING UTILITY STATE EXPORT (MU)

TNEB TAMILNADU 673

KPTCL KARNATAKA 205

KSEB KERALA 1792

APPCC ANDHRA PRADESH 426

JINDAL KARNATAKA 274

KPCL KARNATAKA 593

JSWEL KARNATAKA 1058

BSES KERALA 54

RGCCPP TAMILNADU 882

USWL KARNATAKA 42

GSML KARNATAKA 41

EXPORT OF STOA ENERGY OF SR UTILITIESDURING THE YEAR 2006-07

INJECTING UTILITY STATE EXPORT (MU)

TNEB TAMILNADU 1653

BESCOM KARNATAKA 3

APPCC ANDHRA PRADESH 446

IMPORT OF STOA ENERGY OF SR UTILITIESDURING THE YEAR 2006-07

RLDCPROCESSING FEE

In lakhs of Rs.RLDC Charges in lakhs of Rs.

CTU Charges in Crores of Rs.

NRLDC 178.05 775.08 110.98

SRLDC 35.85 76.17 25.11

ERLDC 5.65 52.38 1.89

NERLDC 5.85 47.73 1.13

WRLDC 97.7 510.93 71.48

CHARGES COLLECTED BY RLDCsDURING THE YEAR 2006-07

0

200

400

600

800

1000

1200

1400

1600

1800

KP

TC

L

KS

EB

AP

PC

C

JIN

DA

L

KP

CL

JS

WE

L

BS

ES

RG

CC

PP

US

WL

GS

ML

EXPORT OF STOA ENERGY OF SR UTILITIES

DURING THE YEAR 2006-07

DETAILS OF REGION WISE STOA TRANSACTIONS IN 2006-07

3286

1747

570131 119

10877

9493

2100

632346

0

2000

4000

6000

8000

10000

12000

NR WR SR ER NER

No.Of Transactions Energy Approved in MU

0

5000

10000

15000

20000

25000

30000

35000

40000

1999-2000 2000-2001 2001-2002 2002-2003 2003-2004 2004-2005 2005-2006 2006-07

Years --->

To

tal M

U D

uri

ng

Th

e Y

ea

r --

->

IR Energy Exchanges

Growth Of Inter Regional Energy Exchanges

Inter regionalPower exchanges

have increasedmanifold

UI IN SR (FOR 2006-07)

• TOTAL UI TURNOVER :- 2,761 MU

• TOTAL UI AMOUNT DISBURSED:- 941.5 CR

• AVG WEEKLY TRANSACTION:- 52 MU

• AVG WEEKLY UI AMOUNT DISBURSED:- 17.8 CR

AP KAR KER TN PONDY

Total UI exported(-) /

Imported(+) in MUs

-1046 628 -194 -56 -68

Total amount paid in Crores

Rs.-391 238 -118 39 -32

SUMMARY OF UI (FOR 2006-07)

PROCESSING FEE COLLECTED BY RLDCs IN THE YEAR 2006-07

178.05

35.85

97.7

5.65 5.850

20

40

60

80

100

120

140

160

180

200

NRLDC SRLDC ERLDC NERLDC WRLDC

Name of the RLDC

Am

ou

nt

in l

akh

s o

f R

s.RLDC CHARGES COLLECTED BY RLDCs

IN THE YEAR 2006-07

775.08

76.17

510.93

47.7352.380

100

200

300

400

500

600

700

800

900

NRLDC SRLDC ERLDC NERLDC WRLDC

Name of the RLDC

Am

ou

nt

in l

akh

s o

f R

s.

CTU CHARGES IN STOA COLLECTED BY RLDCs IN THE YEAR 2006-07

11098

2511

7148

1131890

2000

4000

6000

8000

10000

12000

NRLDC SRLDC ERLDC NERLDC WRLDC

Name of the RLDC

Am

ou

nt

in l

akh

s o

f R

s.

NR-ER

SR-ERWR-SR

ER-NEREASTERN

REGION

SOUTHERN

REGION

WESTERN

REGION

NORTHERN

REGION

NORTH-EASTERN REGION

SHORT TERM OPEN ACCESS(STOA) RATES

WR-ER

843

(3.5)

647

(2.7)

594

(2.5)

357

(1.5)

1909 (8.0

)

1311 (5.5)

600

(2.5

)

667 (2.8)

620 (2.6)370 (1.5)

WR-N

R

Notes: i) The indicated STOA Rates are in Rs./MW/Day.

ii) The figures shown in bracket reflect the

STOA Rates in Paise/Unit.

SRLDC, BANGALORE

APRIL 2007

928

(3.9)

UI PRICE CURVE : EXISTING

0

50

100

150

200

250

300

350

400

450

500

550

600

650

700

750

800

48.

7

48.

8

48.

9

49

49.

1

49.

2

49.

3

49.

4

49.

5

49.

6

49.

7

49.

8

49.

9

50

50.

1

50.

2

50.

3

50.

4

50.

5

50.

6

50.

7

50.

8

50.

9

51

FREQUENCY IN HZ

UI

PR

ICE

KNEE POINT210

345

745

KNEE POINT

SHOW TABLE HIDE TABLE

FREQ

UI PRICE EXISTING

48.7 74548.8 74548.9 74549 745

49.1 66549.2 58549.3 50549.4 42549.5 34549.6 30049.7 25549.8 21049.9 18050 150

50.1 12050.2 9050.3 6050.4 3050.5 050.6 050.7 050.8 050.9 051 0

30 Ps

45 Ps

80 Ps

AVAILABILITY TARIFF(ABT)

(a) CAPACITY CHARGE

(b) ENERGY CHARGE

(c) ADJUSTMENT FOR DEVIATIONS (UI CHARGE)

(a) = a function of Ex-bus MW availability of power plant for the day

declared before the day starts x SEB’s % share.

(b) = MWh for the day as per ex=bus drawl schedule for the SEB

finalized before the day starts x Energy charge rate

(c) =Σ(Actual energy interchange in a 15 min time block – scheduled energy

interchange for the time block) x UI rate for the time block.

TOTAL PAYMENT FOR THE DAY = (a) + (b)± ( c)

DAY AHEAD SCHEDULING

• Schedules are made for each 15 minute time

block wise on day ahead basis i.e. 96 time

blocks in a day.

• Participating agencies are ISGS and States.

• Bilaterals/STOAs are also included in the

preparation of schedules.

• RLDC prepares and coordinates the schedules.

• On the day of operation the schedules can be

revised with prior intimation i.e. 4 to 6 time

blocks.

TIME TABLE FOR EXCHANGE OF INFORMATION IN RESPECT OF SCHEDULING

By 10.00 hrs. ISGSs shall advise SRLDC the Station-wise MW and MWh capabilities

By 1100 Hrs. SRLDC shall advise the States / Beneficiaries the Station wise MW & MWh entitlements.

By 1500 hrs. SLDCs/ Beneficiaries shall communicate the Station-wise requisitions and details of bilateral exchanges to SRLDC.

By 1700 hrs. SRLDC shall convey the ex-power plant despatch schedule to each ISGS and net drawal schedule to each State / Beneficiary. The details of unrequisitioned surpluses shall also be intimated.

By2200 hrs. ISGSs / States / Beneficiaries shall inform the modifications, if any, for incorporating in the final schedule

By 2300 hrs. SRLDC shall issue the final despatch and drawal schedule.

BY 10: 00 HRS

ISGSs shall advise SRLDC the Station-wise

MW and MWh capabilities

Back

SAMPLE DC SHEET

BY 11: 00 HRS

Back

SRLDC shall advise the States / Beneficiaries the

Station wise MW & MWh entitlements.

SAMPLEENT. OF STATES

BY 15: 00 HRS

SLDCs/ Beneficiaries shall communicate the

Station-wise requisitions and details of

bilateral exchanges to SRLDC.

Back

SAMPLEREQ. OF STATES

BY 17: 00 HRS

SRLDC shall convey the ex-power plant despatch schedule to each ISGS

SRLDC shall convey the net drawal schedule to each State / Beneficiary

The details of unrequisitioned surpluses shall also be intimated.

Back

SAMPLESCHD OF STATES

SAMPLESCHD OF ISGS

ISGSs / States / Beneficiaries shall

inform the modifications, if any, for

incorporating in the final schedule

Back

BY 23 00HRS

SRLDC shall issue the final ex-power plant despatch schedule to each ISGS

SRLDC shall issue the final net drawal schedule to each State / Beneficiary

Back

SAMPLESCHD OF STATES

SAMPLESCHD OF ISGS