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Katie M. Brown Counsel Duke Energy 40 W. Broad Street DSC 556 Greenville, SC 29601 O: 864-370-5296 F: 864-370-5027 [email protected] July 31, 2020 VIA ELECTRONIC FILING The Honorable Jocelyn G. Boyd Chief Clerk/Executive Director Public Service Commission of South Carolina 101 Executive Center Drive, Suite 100 Columbia, SC 29210 Re: Duke Energy Progress, LLC- Monthly Power Plant Performance Report Docket Number: 2006-224-E Dear Ms. Boyd: Pursuant to the Commission’s Orders in Docket No. 1977-354-E, enclosed for filing is Duke Energy Progress, LLCs Power Plant Performance Report in Docket No. 2006-224-E for the month of June 2020. Sincerely, Katie M. Brown Enclosure cc: Ms. Dawn Hipp, Office of Regulatory Staff Ms. Nanette Edwards, Office of Regulatory Staff Mr. Jeff Nelson, Office of Regulatory Staff Mr. Michael Seaman-Huynh, Office of Regulatory Staff Mr. Ryder Thompson, Office of Regulatory Staff Mr. Scott Elliott, Elliott & Elliott, P.A. Mr. Garrett Stone, Brickfield, Burchette, Ritts & Stone, PC Mr. Gary Walsh, Walsh Consulting, LLC ELECTRONICALLY FILED - 2020 July 31 9:30 AM - SCPSC - Docket # 2006-224-E - Page 1 of 30 j5 DUKE P ENERGY.

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Page 1: ENERGY

Katie M. Brown Counsel

Duke Energy

40 W. Broad Street DSC 556

Greenville, SC 29601

O: 864-370-5296 F: 864-370-5027

[email protected]

July 31, 2020

VIA ELECTRONIC FILING

The Honorable Jocelyn G. Boyd

Chief Clerk/Executive Director

Public Service Commission of South Carolina

101 Executive Center Drive, Suite 100

Columbia, SC 29210

Re: Duke Energy Progress, LLC- Monthly Power Plant Performance Report

Docket Number: 2006-224-E

Dear Ms. Boyd:

Pursuant to the Commission’s Orders in Docket No. 1977-354-E, enclosed for filing is

Duke Energy Progress, LLC’s Power Plant Performance Report in Docket No. 2006-224-E for the

month of June 2020.

Sincerely,

Katie M. Brown

Enclosure

cc: Ms. Dawn Hipp, Office of Regulatory Staff

Ms. Nanette Edwards, Office of Regulatory Staff

Mr. Jeff Nelson, Office of Regulatory Staff

Mr. Michael Seaman-Huynh, Office of Regulatory Staff

Mr. Ryder Thompson, Office of Regulatory Staff

Mr. Scott Elliott, Elliott & Elliott, P.A.

Mr. Garrett Stone, Brickfield, Burchette, Ritts & Stone, PC

Mr. Gary Walsh, Walsh Consulting, LLC

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j5 DUKEP ENERGY.

Page 2: ENERGY

Station Unit Reason Outage Occurred Remedial Action Taken

Duke Energy Progress

June, 2020Base Load Power Plant Performance Review Plan

Date ofOutage

Duration ofOutage

Scheduled /Unscheduled

Cause of Outage

Period:

Brunswick 1 06/13/2020 -06/22/2020

235.00 Scheduled B1M23A mid-cycle fuelreplacement outage

Site observed indications showing thepresence of failed fuel bundles.

Maintenance outage scheduled to replacethe failed fuel bundle.

1 06/22/2020 -06/23/2020

6.52 Scheduled B1M23A mid-cycle fuelreplacement outage extension

Site observed indications showing thepresence of failed fuel bundles.

Maintenance outage scheduled to replacethe failed fuel bundle.

2 None

Harris 1 None

Robinson 2 None

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Page 3: ENERGY

4283

6200

4313

6200

5109

5050

5109

5109

3113 Condenser Tube and Water Box Cleaning

GMS for condenser cleaning and other work.

ST1 6/2/2020 11:52:00 PMTo 6/12/2020 4:00:00 PM

Sch

Other Gas Turbine Exhaust Problems

GMS Outage for Boroscope and other work.

1C 6/2/2020 11:03:00 PMTo 6/12/2020 3:00:00 PM

Sch Other Gas Turbine Exhaust Problems

GMS Outage for Boroscope and other work.

1B 6/2/2020 11:50:00 PMTo 6/11/2020 4:45:00 PM

Sch

Other Gas Turbine Exhaust Problems

GMS Outage for Boroscope and other work.

1A 6/18/2020 5:00:00 AMTo 6/18/2020 5:48:00 AM

Unsch Gas Turbine - Ignition System

Failed to light.

1A 6/2/2020 11:58:00 PMTo 6/11/2020 2:42:00 PM

Sch

Lee Energy ComplexUnit Duration of Outage Type of

OutageCause of Outage Reason Outage Occurred Remedial

Action Taken

Steam Turbine Control System - Logic Problems

Aux steam header logic problems. Tripped unit 7 to correct aux steam logic & aux boiler.

ACC ST8 6/1/2020 12:28:00 AMTo 6/2/2020 7:01:00 PM

Unsch Combined Cycle Instruments And Controls

B BFP failed and standby pump would not start.

ACC CT7 6/2/2020 2:44:00 AMTo 6/2/2020 5:34:00 PM

Unsch

Turbine Lube Oil System Valves And Piping

GMS outage.

ACC CT7 6/1/2020 12:28:00 AMTo 6/1/2020 9:42:00 PM

Unsch Combined Cycle Instruments And Controls

B BFP failed Winding temp. A pump failed to start. Tripped to low HP drum level.

ACC ST6 5/5/2020 11:13:00 PMTo 6/21/2020 1:36:00 PM

Sch

Duke Energy Progress Base Load Power Plant

Performance Review PlanJune 2020

DEP Asheville CCUnit Duration of Outage Type of

OutageCause of Outage Reason Outage Occurred Remedial

Action Taken

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

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Page 4: ENERGY

Duke Energy Progress Base Load Power Plant

Performance Review PlanJune 2020

8816

5285

4261

1400

4141

3531

Sutton Energy Complex

No Outages at Baseload Units During the Month.

IP Thrust Bearings Startup Failure - Turbine Thrust Bearing High Temperature.

4 6/12/2020 11:22:00 PMTo 6/20/2020 7:37:00 PM

Sch IP Extraction Steam Valves

Turbine 10th Stage Extraction Steam MOV Leak.

2 6/28/2020 7:31:00 PMTo 7/1/2020 11:25:00 AM

Unsch

Turbine Control Valves

Outage Extension - Turbine Steam Chest Crack Repair.

2 6/25/2020 11:25:00 PMTo 6/28/2020 7:31:00 PM

Unsch Forced Draft Fans Startup Failure - 2A FD Fan Inboard Bearing Vibration.

2 5/31/2020 12:00:00 AMTo 6/25/2020 11:25:00 PM

Unsch

Gas Turbine Vibration

Defective turbine exhaust relative vibration probe.

Roxboro StationUnit Duration of Outage Type of

OutageCause of Outage Reason Outage Occurred Remedial

Action Taken

9 6/4/2020 3:19:00 PMTo 6/4/2020 9:00:00 PM

Unsch

Scr Plugging Maintenance outage to clean and vacuum the SCR Inlet screens to alleviate pluggage.

Richmond County StationUnit Duration of Outage Type of

OutageCause of Outage Reason Outage Occurred Remedial

Action Taken

1 6/28/2020 8:00:00 AMTo 7/1/2020 12:00:00 AM

Sch

Mayo StationUnit Duration of Outage Type of

OutageCause of Outage Reason Outage Occurred Remedial

Action Taken

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

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Page 5: ENERGY

Brunswick Nuclear StationUnit 1

June 2020

Base Load Power Plant Performance Review Plan

Unit 2

Duke Energy Progress

(A) MDC (mW) 938 932

(B) Period Hours 720 720

(C) Net Gen (mWh) andCapacity Factor (%)

416,185 61.62 665,746 99.21

(D) Net mWh Not Gen due toFull Schedule Outages

226,543 33.54 0 0.00

* (E) Net mWh Not Gen due toPartial Scheduled Outages

21,490 3.18 1,624 0.24

(F) Net mWh Not Gen due toFull Forced Outages

0 0.00 0 0.00

* (G) Net mWh Not Gen due toPartial Forced Outages

11,142 1.66 3,670 0.55

* (H) Net mWh Not Gen due toEconomic Dispatch

0 0.00 0 0.00

* (I) Core Conservation 0 0.00 0 0.00

(J) Net mWh Possible in Period 675,360 100.00% 671,040 100.00%

(K) Equivalent Availability (%) 61.27 99.76

(L) Output Factor (%) 92.73 99.21

(M) Heat Rate (BTU/NkWh) 10,602 10,759

* EstimateFOOTNOTE: D and F Include Ramping Losses

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Harris Nuclear StationUnit 1

June 2020

Base Load Power Plant Performance Review PlanDuke Energy Progress

(A) MDC (mW) 964

(B) Period Hours 720

(C) Net Gen (mWh) andCapacity Factor (%)

621,287 89.51

(D) Net mWh Not Gen due toFull Schedule Outages

0 0.00

* (E) Net mWh Not Gen due toPartial Scheduled Outages

80,324 11.57

(F) Net mWh Not Gen due toFull Forced Outages

0 0.00

* (G) Net mWh Not Gen due toPartial Forced Outages

-7,531 -1.08

* (H) Net mWh Not Gen due toEconomic Dispatch

0 0.00

* (I) Core Conservation 0 0.00

(J) Net mWh Possible in Period 694,080 100.00%

(K) Equivalent Availability (%) 88.43

(L) Output Factor (%) 89.51

(M) Heat Rate (BTU/NkWh) 10,473

* EstimateFOOTNOTE: D and F Include Ramping Losses

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Robinson Nuclear StationUnit 2

June 2020

Base Load Power Plant Performance Review PlanDuke Energy Progress

(A) MDC (mW) 759

(B) Period Hours 720

(C) Net Gen (mWh) andCapacity Factor (%)

558,497 102.20

(D) Net mWh Not Gen due toFull Schedule Outages

0 0.00

* (E) Net mWh Not Gen due toPartial Scheduled Outages

0 0.00

(F) Net mWh Not Gen due toFull Forced Outages

0 0.00

* (G) Net mWh Not Gen due toPartial Forced Outages

-12,017 -2.20

* (H) Net mWh Not Gen due toEconomic Dispatch

0 0.00

* (I) Core Conservation 0 0.00

(J) Net mWh Possible in Period 546,480 100.00%

(K) Equivalent Availability (%) 100.00

(L) Output Factor (%) 102.20

(M) Heat Rate (BTU/NkWh) 10,281

* EstimateFOOTNOTE: D and F Include Ramping Losses

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ACC CT5 ACC ST6 Block Total

(A) MDC (mW) 190 90 280

(B) Period Hrs 720 720 720

(C) Net Generation (mWh) 40,510 18,517 59,027

(D) Capacity Factor (%) 29.61 28.58 29.28

(E) Net mWh Not Generated dueto Full Scheduled Outages 0 44,424 44,424

(F) Scheduled Outages: percentof Period Hrs 0.00 68.56 22.04

(G) Net mWh Not Generated dueto Partial Scheduled Outages 26,640 1,358 27,998

(H) Scheduled Derates: percent ofPeriod Hrs 19.47 2.10 13.89

(I) Net mWh Not Generated dueto Full Forced Outages 0 0 0

(J) Forced Outages: percentof Period Hrs 0.00 0.00 0.00

(K) Net mWh Not Generated dueto Partial Forced Outages 0 0 0

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.00

(M) Net mWh Not Generated dueto Economic Dispatch 69,650 501 70,151

(N) Economic Dispatch: percentof Period Hrs 50.91 0.77 34.80

(O) Net mWh Possible in Period 136,800 64,800 201,600

(P) Equivalent Availability (%) 80.53 29.35 64.08

(Q) Output Factor (%) 80.09 90.88 83.19

(R) Heat Rate (BTU/NkWh) 9,657 0 6,627

DEP Asheville CC

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

Duke Energy Progress Base Load Power Plant

Performance Review PlanJune 2020

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ACC CT7 ACC ST8 Block Total

(A) MDC (mW) 190 90 280

(B) Period Hrs 720 720 720

(C) Net Generation (mWh) 107,136 57,549 164,685

(D) Capacity Factor (%) 78.32 88.81 81.69

(E) Net mWh Not Generated dueto Full Scheduled Outages 0 0 0

(F) Scheduled Outages: percentof Period Hrs 0.00 0.00 0.00

(G) Net mWh Not Generated dueto Partial Scheduled Outages 25,305 4,065 29,370

(H) Scheduled Derates: percent ofPeriod Hrs 18.50 6.27 14.57

(I) Net mWh Not Generated dueto Full Forced Outages 6,853 3,829 10,682

(J) Forced Outages: percentof Period Hrs 5.01 5.91 5.30

(K) Net mWh Not Generated dueto Partial Forced Outages 0 0 0

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.00

(M) Net mWh Not Generated dueto Economic Dispatch 0 0 0

(N) Economic Dispatch: percentof Period Hrs 0.00 0.00 0.00

(O) Net mWh Possible in Period 136,800 64,800 201,600

(P) Equivalent Availability (%) 76.49 87.82 80.13

(Q) Output Factor (%) 82.45 94.39 86.26

(R) Heat Rate (BTU/NkWh) 10,392 0 6,761

DEP Asheville CC

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

Duke Energy Progress Base Load Power Plant

Performance Review PlanJune 2020

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Unit 1A Unit 1B Unit 1C Unit ST1 Block Total

(A) MDC (mW) 225 227 228 379 1,059

(B) Period Hrs 720 720 720 720 720

(C) Net Generation (mWh) 47,366 46,004 47,112 101,421 241,903

(D) Capacity Factor (%) 29.24 28.15 28.70 37.17 31.73

(E) Net mWh Not Generated dueto Full Scheduled Outages 46,515 47,424 52,885 87,979 234,802

(F) Scheduled Outages: percentof Period Hrs 28.71 29.02 32.22 32.24 30.79

(G) Net mWh Not Generated dueto Partial Scheduled Outages 28,186 29,132 28,307 488 86,112

(H) Scheduled Derates: percent ofPeriod Hrs 17.40 17.82 17.24 0.18 11.29

(I) Net mWh Not Generated dueto Full Forced Outages 180 0 0 0 180

(J) Forced Outages: percentof Period Hrs 0.11 0.00 0.00 0.00 0.02

(K) Net mWh Not Generated dueto Partial Forced Outages 0 0 0 4,452 4,452

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.00 1.63 0.58

(M) Net mWh Not Generated dueto Economic Dispatch 39,753 40,880 35,857 78,541 195,031

(N) Economic Dispatch: percentof Period Hrs 24.54 25.01 21.84 28.78 25.58

(O) Net mWh Possible in Period 162,000 163,440 164,160 272,880 762,480

(P) Equivalent Availability (%) 53.78 53.16 50.54 65.95 57.30

(Q) Output Factor (%) 58.80 58.35 57.52 76.39 64.67

(R) Heat Rate (BTU/NkWh) 10,728 10,894 10,859 3,407 7,716

Lee Energy Complex

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

Duke Energy Progress Base Load Power Plant

Performance Review PlanJune 2020

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Unit 7 Unit 8 Unit ST4 Block Total

(A) MDC (mW) 194 194 182 570

(B) Period Hrs 720 720 720 720

(C) Net Generation (mWh) 98,813 103,103 120,030 321,946

(D) Capacity Factor (%) 70.74 73.81 91.60 78.45

(E) Net mWh Not Generated dueto Full Scheduled Outages 0 0 0 0

(F) Scheduled Outages: percentof Period Hrs 0.00 0.00 0.00 0.00

(G) Net mWh Not Generated dueto Partial Scheduled Outages 28,800 28,800 9,360 66,960

(H) Scheduled Derates: percent ofPeriod Hrs 20.62 20.62 7.14 16.32

(I) Net mWh Not Generated dueto Full Forced Outages 0 0 0 0

(J) Forced Outages: percentof Period Hrs 0.00 0.00 0.00 0.00

(K) Net mWh Not Generated dueto Partial Forced Outages 0 0 0 0

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.00 0.00

(M) Net mWh Not Generated dueto Economic Dispatch 12,067 7,777 1,650 21,494

(N) Economic Dispatch: percentof Period Hrs 8.64 5.57 1.26 5.24

(O) Net mWh Possible in Period 139,680 139,680 131,040 410,400

(P) Equivalent Availability (%) 79.38 79.38 92.86 83.68

(Q) Output Factor (%) 73.96 73.81 91.60 79.63

(R) Heat Rate (BTU/NkWh) 11,949 11,769 0 7,436

Richmond County Station

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

Duke Energy Progress Base Load Power Plant

Performance Review PlanJune 2020

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Unit 9 Unit 10 Unit ST5 Block Total

(A) MDC (mW) 216 216 248 680

(B) Period Hrs 720 720 720 720

(C) Net Generation (mWh) 118,302 120,543 163,761 402,606

(D) Capacity Factor (%) 76.07 77.51 91.71 82.23

(E) Net mWh Not Generated dueto Full Scheduled Outages 0 0 0 0

(F) Scheduled Outages: percentof Period Hrs 0.00 0.00 0.00 0.00

(G) Net mWh Not Generated dueto Partial Scheduled Outages 25,716 25,920 0 51,636

(H) Scheduled Derates: percent ofPeriod Hrs 16.54 16.67 0.00 10.55

(I) Net mWh Not Generated dueto Full Forced Outages 1,228 0 0 1,228

(J) Forced Outages: percentof Period Hrs 0.79 0.00 0.00 0.25

(K) Net mWh Not Generated dueto Partial Forced Outages 0 0 710 710

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.40 0.15

(M) Net mWh Not Generated dueto Economic Dispatch 10,275 9,057 14,089 33,420

(N) Economic Dispatch: percentof Period Hrs 6.61 5.82 7.89 6.83

(O) Net mWh Possible in Period 155,520 155,520 178,560 489,600

(P) Equivalent Availability (%) 82.68 83.33 99.60 89.06

(Q) Output Factor (%) 77.79 77.51 91.71 82.81

(R) Heat Rate (BTU/NkWh) 11,743 11,524 0 6,901

Richmond County Station

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

Duke Energy Progress Base Load Power Plant

Performance Review PlanJune 2020

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Unit 1A Unit 1B Unit ST1 Block Total

(A) MDC (mW) 224 224 271 719

(B) Period Hrs 720 720 720 720

(C) Net Generation (mWh) 112,357 112,540 150,701 375,598

(D) Capacity Factor (%) 69.67 69.78 77.24 72.55

(E) Net mWh Not Generated dueto Full Scheduled Outages 0 0 0 0

(F) Scheduled Outages: percentof Period Hrs 0.00 0.00 0.00 0.00

(G) Net mWh Not Generated dueto Partial Scheduled Outages 38,880 38,160 3,600 80,640

(H) Scheduled Derates: percent ofPeriod Hrs 24.11 23.66 1.85 15.58

(I) Net mWh Not Generated dueto Full Forced Outages 0 0 0 0

(J) Forced Outages: percentof Period Hrs 0.00 0.00 0.00 0.00

(K) Net mWh Not Generated dueto Partial Forced Outages 0 0 0 0

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.00 0.00

(M) Net mWh Not Generated dueto Economic Dispatch 10,043 10,580 40,819 61,442

(N) Economic Dispatch: percentof Period Hrs 6.23 6.56 20.92 11.87

(O) Net mWh Possible in Period 161,280 161,280 195,120 517,680

(P) Equivalent Availability (%) 75.89 76.34 98.15 84.42

(Q) Output Factor (%) 69.67 69.78 77.24 72.55

(R) Heat Rate (BTU/NkWh) 12,046 12,046 0 7,213

Sutton Energy Complex

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

Duke Energy Progress Base Load Power Plant

Performance Review PlanJune 2020

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Unit 1

(A) MDC (mW) 746

(B) Period Hrs 720

(C) Net Generation (mWh) 133,058

(D) Net mWh Possible in Period 537,120

(E) Equivalent Availability (%) 50.47

(F) Output Factor (%) 31.72

(G) Capacity Factor (%) 24.77

Mayo Station

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

Duke Energy Progress Intermediate Power Plant Performance

Review PlanJune 2020

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Unit 2 Unit 3 Unit 4

(A) MDC (mW) 673 698 711

(B) Period Hrs 720 720 720

(C) Net Generation (mWh) -5,341 301,023 232,374

(D) Net mWh Possible in Period 484,560 502,560 511,920

(E) Equivalent Availability (%) 0.00 99.10 70.58

(F) Output Factor (%) 0.00 62.40 68.34

(G) Capacity Factor (%) 0.00 59.90 45.39

Roxboro Station

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

Duke Energy Progress Intermediate Power Plant Performance

Review PlanJune 2020

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Brunswick Nuclear StationUnit 1

July 2019 - June 2020

Base Load Power Plant Performance Review Plan

Unit 2

Duke Energy Progress

(A) MDC (mW) 938 932

(B) Period Hours 8784 8784

(C) Net Gen (mWh) andCapacity Factor (%)

7,234,907 87.81 8,149,288 99.54

(D) Net mWh Not Gen due toFull Schedule Outages

788,406 9.57 0 0.00

* (E) Net mWh Not Gen due toPartial Scheduled Outages

51,257 0.62 20,086 0.25

(F) Net mWh Not Gen due toFull Forced Outages

152,941 1.86 52,145 0.64

* (G) Net mWh Not Gen due toPartial Forced Outages

11,881 0.14 -34,831 -0.43

* (H) Net mWh Not Gen due toEconomic Dispatch

0 0.00 0 0.00

* (I) Core Conservation 0 0.00 0 0.00

(J) Net mWh Possible in Period 8,239,392 100.00% 8,186,688 100.00%

(K) Equivalent Availability (%) 87.81 99.67

(L) Output Factor (%) 99.13 100.18

(M) Heat Rate (BTU/NkWh) 10,452 10,611

* EstimateFOOTNOTE: D and F Include Ramping Losses

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Harris Nuclear StationUnit 1

July 2019 - June 2020

Base Load Power Plant Performance Review PlanDuke Energy Progress

(A) MDC (mW) 964

(B) Period Hours 8784

(C) Net Gen (mWh) andCapacity Factor (%)

7,529,590 88.92

(D) Net mWh Not Gen due toFull Schedule Outages

869,962 10.27

* (E) Net mWh Not Gen due toPartial Scheduled Outages

141,413 1.67

(F) Net mWh Not Gen due toFull Forced Outages

49,662 0.59

* (G) Net mWh Not Gen due toPartial Forced Outages

-122,851 -1.45

* (H) Net mWh Not Gen due toEconomic Dispatch

0 0.00

* (I) Core Conservation 0 0.00

(J) Net mWh Possible in Period 8,467,776 100.00%

(K) Equivalent Availability (%) 87.84

(L) Output Factor (%) 99.75

(M) Heat Rate (BTU/NkWh) 10,269

* EstimateFOOTNOTE: D and F Include Ramping Losses

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Robinson Nuclear StationUnit 2

July 2019 - June 2020

Base Load Power Plant Performance Review PlanDuke Energy Progress

(A) MDC (mW) 759

(B) Period Hours 8784

(C) Net Gen (mWh) andCapacity Factor (%)

6,401,904 97.18

(D) Net mWh Not Gen due toFull Schedule Outages

0 0.00

* (E) Net mWh Not Gen due toPartial Scheduled Outages

1,882 0.03

(F) Net mWh Not Gen due toFull Forced Outages

408,699 6.20

* (G) Net mWh Not Gen due toPartial Forced Outages

-224,935 -3.41

* (H) Net mWh Not Gen due toEconomic Dispatch

0 0.00

* (I) Core Conservation 0 0.00

(J) Net mWh Possible in Period 6,587,550 100.00%

(K) Equivalent Availability (%) 93.44

(L) Output Factor (%) 103.69

(M) Heat Rate (BTU/NkWh) 10,258

* EstimateFOOTNOTE: D and F Include Ramping Losses

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ACC CT5 ACC ST6 Block Total(A) MDC (mW) 185 92 277(B) Period Hrs 8,040 6,576 6,576(C) Net Generation (mWh) 541,600 217,412 759,012(D) Capacity Factor (%) 36.45 35.80 36.26(E) Net mWh Not Generated due toFull Scheduled Outages 195,539 147,589 343,128

(F) Scheduled Outages: percent ofPeriod Hrs 13.16 24.30 16.39

(G) Net mWh Not Generated due toPartial Scheduled Outages 52,736 4,813 57,549

(H) Scheduled Derates: percent ofPeriod Hrs 3.55 0.79 2.75

(I) Net mWh Not Generated due toFull Forced Outages 4,753 16,927 21,681

(J) Forced Outages: percentof Period Hrs 0.32 2.79 1.04

(K) Net mWh Not Generated due toPartial Forced Outages 0 0 0

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.00

(M) Net mWh Not Generated due toEconomic Dispatch 691,265 220,561 911,826

(N) Economic Dispatch: percentof Period Hrs 46.52 36.32 43.56

(O) Net mWh Possible in Period 1,485,893 607,303 2,093,196(P) Equivalent Availability (%) 83.44 71.39 79.82(Q) Output Factor (%) 78.61 95.98 82.90(R) Heat Rate (BTU/NkWh) 10,210 0 7,286

Duke Energy Progress Base Load Power Plant

Performance Review PlanJuly, 2019 through June, 2020

DEP Asheville CC

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

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ACC CT7 ACC ST8 Block Total(A) MDC (mW) 187 92 280(B) Period Hrs 7,296 6,576 6,576(C) Net Generation (mWh) 490,895 114,908 605,803(D) Capacity Factor (%) 35.94 18.92 30.70(E) Net mWh Not Generated due toFull Scheduled Outages 43,415 48,691 92,106

(F) Scheduled Outages: percent ofPeriod Hrs 3.18 8.02 4.67

(G) Net mWh Not Generated due toPartial Scheduled Outages 71,637 9,977 81,614

(H) Scheduled Derates: percent ofPeriod Hrs 5.25 1.64 4.14

(I) Net mWh Not Generated due toFull Forced Outages 13,189 17,533 30,723

(J) Forced Outages: percentof Period Hrs 0.97 2.89 1.56

(K) Net mWh Not Generated due toPartial Forced Outages 0 0 0

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.00

(M) Net mWh Not Generated due toEconomic Dispatch 746,601 415,706 1,162,307

(N) Economic Dispatch: percentof Period Hrs 54.67 68.53 58.93

(O) Net mWh Possible in Period 1,365,737 607,303 1,973,040(P) Equivalent Availability (%) 90.75 87.12 89.64(Q) Output Factor (%) 70.73 92.63 74.05(R) Heat Rate (BTU/NkWh) 9,976 0 8,083

Duke Energy Progress Base Load Power Plant

Performance Review PlanJuly, 2019 through June, 2020

DEP Asheville CC

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

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Unit 1A Unit 1B Unit 1C Unit ST1 Block Total(A) MDC (mW) 225 227 228 379 1,059(B) Period Hrs 8,784 8,784 8,784 8,784 8,784(C) Net Generation (mWh) 1,246,347 1,282,300 1,269,944 2,453,458 6,252,049(D) Capacity Factor (%) 63.06 64.31 63.41 73.70 67.21(E) Net mWh Not Generated due toFull Scheduled Outages 100,976 78,864 111,443 321,272 612,554

(F) Scheduled Outages: percent ofPeriod Hrs 5.11 3.96 5.56 9.65 6.59

(G) Net mWh Not Generated due toPartial Scheduled Outages 253,568 275,838 277,196 39,815 846,418

(H) Scheduled Derates: percent ofPeriod Hrs 12.83 13.83 13.84 1.20 9.10

(I) Net mWh Not Generated due toFull Forced Outages 45,420 5,195 11,962 9,538 72,115

(J) Forced Outages: percentof Period Hrs 2.30 0.26 0.60 0.29 0.78

(K) Net mWh Not Generated due toPartial Forced Outages 0 0 0 29,391 29,391

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.00 0.88 0.32

(M) Net mWh Not Generated due toEconomic Dispatch 330,089 351,772 332,207 475,662 1,489,729

(N) Economic Dispatch: percentof Period Hrs 16.70 17.64 16.59 14.29 16.01

(O) Net mWh Possible in Period 1,976,400 1,993,968 2,002,752 3,329,136 9,302,256(P) Equivalent Availability (%) 79.76 81.95 80.00 87.98 83.22(Q) Output Factor (%) 70.93 69.96 70.03 83.28 74.88(R) Heat Rate (BTU/NkWh) 9,555 9,819 9,770 3,987 7,468

Duke Energy Progress Base Load Power Plant

Performance Review PlanJuly, 2019 through June, 2020

Lee Energy Complex

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

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Unit 7 Unit 8 Unit ST4 Block Total(A) MDC (mW) 194 194 182 570(B) Period Hrs 8,784 8,784 8,784 8,784(C) Net Generation (mWh) 1,039,169 1,015,154 1,179,205 3,233,528(D) Capacity Factor (%) 60.98 59.57 73.76 64.58(E) Net mWh Not Generated due toFull Scheduled Outages 88,415 83,465 55,722 227,603

(F) Scheduled Outages: percent ofPeriod Hrs 5.19 4.90 3.49 4.55

(G) Net mWh Not Generated due toPartial Scheduled Outages 195,258 198,909 89,794 483,961

(H) Scheduled Derates: percent ofPeriod Hrs 11.46 11.67 5.62 9.67

(I) Net mWh Not Generated due toFull Forced Outages 7,139 31,658 5,129 43,926

(J) Forced Outages: percentof Period Hrs 0.42 1.86 0.32 0.88

(K) Net mWh Not Generated due toPartial Forced Outages 0 0 6,611 6,611

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.41 0.13

(M) Net mWh Not Generated due toEconomic Dispatch 373,560 374,353 262,226 1,010,139

(N) Economic Dispatch: percentof Period Hrs 21.95 22.00 16.40 20.20

(O) Net mWh Possible in Period 1,704,096 1,704,096 1,598,688 5,006,880(P) Equivalent Availability (%) 82.93 81.57 90.16 84.78(Q) Output Factor (%) 76.92 76.79 90.50 81.33(R) Heat Rate (BTU/NkWh) 11,707 11,366 0 7,331

Duke Energy Progress Base Load Power Plant

Performance Review PlanJuly, 2019 through June, 2020

Richmond County Station

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

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Unit 9 Unit 10 Unit ST5 Block Total(A) MDC (mW) 216 216 248 680(B) Period Hrs 8,784 8,784 8,784 8,784(C) Net Generation (mWh) 1,320,980 1,335,685 1,775,460 4,432,125(D) Capacity Factor (%) 69.62 70.40 81.50 74.20(E) Net mWh Not Generated due toFull Scheduled Outages 219,521 225,133 227,399 672,053

(F) Scheduled Outages: percent ofPeriod Hrs 11.57 11.87 10.44 11.25

(G) Net mWh Not Generated due toPartial Scheduled Outages 183,870 181,119 16,317 381,306

(H) Scheduled Derates: percent ofPeriod Hrs 9.69 9.55 0.75 6.38

(I) Net mWh Not Generated due toFull Forced Outages 1,339 0 21,849 23,188

(J) Forced Outages: percentof Period Hrs 0.07 0.00 1.00 0.39

(K) Net mWh Not Generated due toPartial Forced Outages 0 0 710 710

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.03 0.01

(M) Net mWh Not Generated due toEconomic Dispatch 171,409 155,181 136,696 463,287

(N) Economic Dispatch: percentof Period Hrs 9.05 8.19 6.27 7.76

(O) Net mWh Possible in Period 1,897,344 1,897,344 2,178,432 5,973,120(P) Equivalent Availability (%) 78.67 78.59 87.78 81.96(Q) Output Factor (%) 81.61 81.10 94.16 86.04(R) Heat Rate (BTU/NkWh) 11,500 11,467 0 6,883

Duke Energy Progress Base Load Power Plant

Performance Review PlanJuly, 2019 through June, 2020

Richmond County Station

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

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Unit 1A Unit 1B Unit ST1 Block Total(A) MDC (mW) 224 224 271 719(B) Period Hrs 8,784 8,784 8,784 8,784(C) Net Generation (mWh) 1,297,453 1,294,968 1,596,928 4,189,349(D) Capacity Factor (%) 65.94 65.81 67.08 66.33(E) Net mWh Not Generated due toFull Scheduled Outages 123,118 157,345 213,191 493,654

(F) Scheduled Outages: percent ofPeriod Hrs 6.26 8.00 8.96 7.82

(G) Net mWh Not Generated due toPartial Scheduled Outages 262,146 254,427 98,394 614,967

(H) Scheduled Derates: percent ofPeriod Hrs 13.32 12.93 4.13 9.74

(I) Net mWh Not Generated due toFull Forced Outages 1,049 18,782 0 19,831

(J) Forced Outages: percentof Period Hrs 0.05 0.95 0.00 0.31

(K) Net mWh Not Generated due toPartial Forced Outages 0 0 19,469 19,469

(L) Forced Derates: percent ofPeriod Hrs 0.00 0.00 0.82 0.31

(M) Net mWh Not Generated due toEconomic Dispatch 283,850 242,093 452,481 978,425

(N) Economic Dispatch: percentof Period Hrs 14.43 12.30 19.01 15.49

(O) Net mWh Possible in Period 1,967,616 1,967,616 2,380,464 6,315,696(P) Equivalent Availability (%) 80.37 78.12 86.09 81.82(Q) Output Factor (%) 74.22 74.51 75.45 74.77(R) Heat Rate (BTU/NkWh) 11,644 11,649 0 7,207

Duke Energy Progress Base Load Power Plant

Performance Review PlanJuly, 2019 through June, 2020

Sutton Energy Complex

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

• (R) Includes Light Off BTU’s

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Units Unit 1

(A) MDC (mW) 746

(B) Period Hrs 8,784

(C) Net Generation (mWh) 1,024,327

(D) Net mWh Possible in Period 6,552,864

(E) Equivalent Availability (%) 72.60

(F) Output Factor (%) 41.18

(G) Capacity Factor (%) 15.63

Mayo Station

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

Duke Energy Progress Intermediate Power Plant Performance Review PlanJuly, 2019 through June, 2020

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Units Unit 2 Unit 3 Unit 4

(A) MDC (mW) 673 698 711

(B) Period Hrs 8,784 8,784 8,784

(C) Net Generation (mWh) 1,216,999 2,236,560 1,783,195

(D) Net mWh Possible in Period 5,911,632 6,131,232 6,245,424

(E) Equivalent Availability (%) 57.16 84.16 66.40

(F) Output Factor (%) 63.23 55.90 64.90

(G) Capacity Factor (%) 20.59 36.48 28.55

Roxboro Station

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

Duke Energy Progress Intermediate Power Plant Performance Review PlanJuly, 2019 through June, 2020

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CapacityRating (mW)

June, 2020Outages for 100 mW or Larger Units

UnscheduledUnitName Total

Duke Energy Progress

Scheduled

Full Outage Hours

Brunswick 1 938 241.52 0.00 241.52

Brunswick 2 932 0.00 0.00 0.00

Harris 1 964 0.00 0.00 0.00

Robinson 2 759 0.00 0.00 0.00

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Scheduled Unscheduled

ACC CT5 190 0.00 0.00 0.00ACC CT7 190 0.00 36.07 36.07ACC ST6 90 493.60 0.00 493.60ACC ST8 90 0.00 42.55 42.55

Duke Energy Progress Outages for 100 mW or Larger Units

June 2020

Unit NameCapacity

Rating (mW)

Full Outage HoursTotal Outage

Hours

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

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Scheduled Unscheduled

Asheville CT 3 160 0.00 0.00 0.00Asheville CT 4 185 0.00 0.00 0.00

Darlington CT 12 133 0.00 0.00 0.00Darlington CT 13 133 0.00 70.30 70.30

Lee Energy Complex CC 1A 225 206.73 0.80 207.53Lee Energy Complex CC 1B 227 208.92 0.00 208.92Lee Energy Complex CC 1C 228 231.95 0.00 231.95Lee Energy Complex CC ST1 379 232.13 0.00 232.13

Mayo Steam 1 746 64.00 0.00 64.00

Richmond County CT 1 189 0.00 0.00 0.00Richmond County CT 2 187 0.00 0.00 0.00Richmond County CT 3 185 0.00 0.00 0.00Richmond County CT 4 186 0.00 0.00 0.00Richmond County CT 6 187 0.00 0.00 0.00Richmond County CC 7 194 0.00 0.00 0.00Richmond County CC 8 194 0.00 0.00 0.00Richmond County CC ST4 182 0.00 0.00 0.00Richmond County CC 9 216 0.00 5.68 5.68Richmond County CC 10 216 0.00 0.00 0.00Richmond County CC ST5 248 0.00 0.00 0.00

Duke Energy Progress Outages for 100 mW or Larger Units

June 2020

Unit NameCapacity

Rating (mW)

Full Outage HoursTotal Outage

Hours

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

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Scheduled Unscheduled

Roxboro Steam 1 380 0.00 110.38 110.38Roxboro Steam 2 673 0.00 720.00 720.00Roxboro Steam 3 698 0.00 0.00 0.00Roxboro Steam 4 711 188.25 0.00 188.25

Sutton Energy Complex CC 1A 224 0.00 0.00 0.00Sutton Energy Complex CC 1B 224 0.00 0.00 0.00Sutton Energy Complex CC ST1 271 0.00 0.00 0.00

Wayne County CT 10 192 0.00 54.22 54.22Wayne County CT 11 192 0.00 0.00 0.00Wayne County CT 12 193 32.00 23.55 55.55Wayne County CT 13 191 0.00 0.00 0.00Wayne County CT 14 195 5.58 0.00 5.58

Duke Energy Progress Outages for 100 mW or Larger Units

June 2020

Unit NameCapacity

Rating (mW)

Full Outage HoursTotal Outage

Hours

Notes:

• Units in commercial operation for the full month are presented. Pre-commercial or partial month commercial operations are not included.

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