ML20205P981

Monthly Operating Repts for Mar 1999 for Sequoyah Nuclear Plant,Units 1 & 2.With

ML20205P981
Person / Time
Site:	Sequoyah
Issue date:	03/31/1999
From:	Bajestani M, Hollomon T TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9904210050
Download: ML20205P981 (9)

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SY Tennessee Valley Authority, Post Office Box 2000. Soddy Darsy, Tenressee 373M-2000 Masoud B4estani Site Vice President Sequoyah Nuclear Plant April 12, 1999 U.S. Nuclear Regulatory Commission ATTN: Doc ment Control Desk Washington, D.C. 20555 Gentlemen:

In the Matter of ) Docket Nos. 50-327 50-328 Tennessee Valley Authority )

SEQUOYAH NUCLEAR PLANT (SQN) - MARCH MONTHLY OPERATING REPORT The enclosure provides the March Monthly Operating Report as required by SON Technical Specifications Section 6.9.1.10.

If you have any questions concerning this matter, please call me at (423) 843-7001 or Pedro Salas at (423) 843-7170.

Sincerely, C. --

Masoud Bae tani r i Enclosure cc: See page 2

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Page 2 April 12, 1999 JDS:JWP:PMB cc (Enclosure):

Mr. R. W. Hernan, Senior Project Manager U.S. Nuclear Regulatory Commission One White Flint, North 11555 Rockville Pike Rockville, Maryland 20852-2739 INPO Records Center Institute of Nuclear Power Operations 700 Galleria Parkway Atlanta, Georgia 30339-5947 Ms. Barbara Lewis, Assistant Editor, Database McGraw-Hill, Inc.

1200 G Street, NW, Suite 1100 Washington, D.C. 20005 NRC Resident Inspector Sequoyah Nuclear Plant 2600 Igou Ferry Road Soddy-Daisy, Tennessee 37379-3624 Regional Administrator U.S. Nuclear Regulatory Commission Region II Atlanta Federal Center 61 Forsyth Street, SW, Suite 23T85 Atlanta, Georgia 30303-3415 L

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OPERATIONAL SUteGLRY

)GURCH 1999

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1 1 I. SEQUOYAH OPERATIONAL

SUMMARY

UNIT 1 Unit 1 generated 884,176 megawatthours (MWh) (gross) electrical power during March with a capacity factor of 102.4 percent. Unit 1 operated at 100 percent power throughout the month of March.

UNIT 2 1

Unit 2 generated 728,136 MWh (gross) electrical power during March with a capacity factor of 84.7 percent.

i Unit 2 continued coastdown to the Unit 2 Cycle 9 refueling l outage. Unit 2 was operating at 73 percent power at the l end of March.

II. CHALLENGES TO THE PRESSURIZER POWER-OPERATED RELIEF VALVES (PORVs) OR PRESSURIZER SAFETY VALVES No PORVs or safety valves were challenged in March.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-327 UNIT NO. ONE DATE: April 9, 1999 COMPLETED BY: Tanya J. Hollomon TELEPHONE: (423) 843-7528 MONTH: MARCH 1999 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net)

1. 1156 17. 1156

2. 1156 18. 1154

3. 1156 19. 1156

4. 1156 20. 1153

5. 1154 21. 1156 l

6. 1156 22. 1153 1

7. 1153 23. 1155

8. 1156 24. 1155

9. 1153 25. 1158

10. 1153 26. 1153

11. 1153 27. 1153 12 1156 28. 1158

13. 1154 29. 1156

14. 1156 30. 1156

15. 1153 31. 1155

16. 1153 E-2 i

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-328 UNIT NO. TWO DATE: April 9, 1999 COMPLETED BY: Tanya J. Ho11omon TELEPHONE: (423) 843-7528 MONTH: MARCH 1999 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net)

1. 1062 17. 931

2. 1059 18. 920

3. 1051 19. 912

4. 1039 20. 902

5. 1034 21. 899

6. 1029 22. 890

7. 1018 23. 887

8. 1012 24. 891

9. 1005 25. 880

10. 990 26. 875

11. 985 27. 865 12 979 28, 860 13, 968 29. 846

14. 958 30, 842

15. 947 31. 830

16. 937 E-3

OPERATING DATA REPORT Docket No. 50-327 Date: April 9,1999 Completed By: T. J. Hollomon Telephone: (423) 843-7528

1. Unit Name: SON Unit 1

2. Reporting Period: March 1999

3. Licensed Thermal Power (MWt): 3411.0

4. Nameplate Rating (Gross Mwe): 1220.6

5. Design Electrical Rating (Net Mwe): 1148.0

6. Maximum Dependable Capacity (Gross MWe): 1161

7. Maximum Dependable Capacity (Net MWe): 1122 i

8. If changes Occur in Capacity Rating (Item Numbers 3 & 7) Since Last Report, Give Reasons: N/A

9. Power Level To Which Restricted, if any (net MWe): N/A

10. Reasons for Restrictions, If any: N/A This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 744 2,160 155,593

12. Number of Hours Reactor was Critical 744.0 2,160.0 95,037

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 744.0 2,160.0 93,187.3

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWh) 2,536,183.2 7,362,916.8 305,284.336

17. Gross Electric Energy Generated (MWh) 884,176 2,568.127 104,183,752

18. Net Electrical Energy Generated (MWh) 857,520 2,489,951 100,095,530

19. Unit Senice Factor 100.0 100.0 59.9

20. Unit Availability Factor 100.0 100.0 59.9

21. Unit Capacity Factor (Using MDC Net) 102.7 102.7 57.3

22. Unit Capacity Factor (Using DER Net) 100.4 100.4 56.0

23. Unit Forced Outage Rate 0.0 0.0 27.8

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): This information is no longer reauired by NRC.

25. If Shutdown at End of Report Period, Estimate Date of Startup. NLA E-4

I OPERATING DATA REPORT l Docket No. 50-328 Date: April 9,1999 Completed By: T. J. Hollomon Telephone: (423) 843-7528

1. Unit Name: SQN Unit 2

2. Reporting Period: '

March 1999

3. Licensed Thermal Power (MWt): 3411.0

4. Nameplate Rating (Gross Mwe): 1220.6

5. Design Electrical Rating (Net Mwe): 1148.0

6. Maximum Dependable Capacity (Gross MWe): 1156

7. Maximum Dependable Capacity (Net MWe): 1117

8. If changes Occur in Capacity Rating (Item Numbers 3 & 7) Since Last Report, Give Reasons: N/A

9. Power Level To Which Restricted, If any (net MWe): N/A

10. Reasons for Restrictions, If any: N/A This Month Vr-to-Date Cumulative

11. Hours in Reporting Period 744 2,160 147,553

12. Number of Hours Reactor was Critical 744.0 2,160.0 98,490

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Line 744.0 2,160.0 96,491.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWh) 2,064,134.4 6,861,748.8 310.269,223

17. Gross Electric Energy Generated (MWh) 728,136 2.397,862 105,729,947

18. Net Electrical Energy Generated (MWh) 701,984 2,322,598 101,527,553 ,

19. Unit Service Factor 100.0 100.0 65.4  !

20. Unit Availability Factor 100.0 100.0 65.4

21. Unit Capacity Factor (Using MDC Net) 84.5 96.3 61.6

22. Unit Capacity Factor (Using DER Net) 82.2 93.7 59.9 )

23. Unit Forced Outage Rate 0.0 0.0 26.9 l

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): This information is no longer required by NRC.

25. If Shutdown at End of Report Period, Estimate Date of Startup. BL/A .

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