ML20236R005

Monthly Operating Repts for June 1998 for Sequoyah Nuclear Plant

ML20236R005
Person / Time
Site:	Sequoyah
Issue date:	06/30/1998
From:	Hollomon T, Salas P TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9807210182
Download: ML20236R005 (10)

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Tennessee Valley Authority, Post Offee Box 2000, Soddy-Daisy, Tennessee 37379-2000 July 13, 1998 1

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l U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washir,gton, D.C. 20555 Gentlemen:

In the Matter of ) Docket Nos. 50-327 Tennessee Valley Authority ) 50-328 SEQUOYAH NUCLEAR PLANT (SQN) - JUNE MONTHLY OPERATING REPORT

, The enclosure provides the June 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) 843-7170 or J. D. Smith at (423) 843-6672. //

Sincerel ,

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j Peyv sa as

}AGvL Licensing and Industry Affairs Manager Enclosure cc: See page 2

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9807210182 980630 PDR ADOCK 05000327)

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U.S. Nuclear Regulatory Commission Page 2

' Jul'y 13, - 19 9 8 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 M-Graw-Hill, Inc.

1200 G Street, NW, Suite 1100 Washington, D.C. 20005 Mr. James Lang, Manager

. Advanced Reactor Department -)

Ekectric Power Research Institute '

3340 Hillview Avenue Palo Alto, California 94304 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 l Atlanta, Georgia 30303-3415 l l

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1 ENCLOSURE TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT (SQN)

MONTHLY OPERATING REPORT JUNE 1998 UNIT 1 DOCKET NUMBER 50-327 LICENSE NUMBER DPR-77 UNIT 2 DOCKET NUMBER 50-328 LICENSE NUMBER DPR-79

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OPERATIONAL

SUMMARY

JUNE 1998 I. SEQUOYAH OPERATIONAL

SUMMARY

UNIT 1 Unit 1 generated 841,030 megawatthours (MWh) (gross) electrical power during June with a capacity factor of 100.6 percent. There were no outages or power reductions of greater than 20 percent in the average daily power level during June. Unit 1 was operating at 100 percent power at the end of June.

UNIT 2 Unit 2 generated 836,405 MWh (gross) electrical power during June with a capacity factor of 100.5 percent.

There were no outages or pcwer reductions of greater than

, 20 percea.t in the average daily power level during June.

Unit 2 was operating at 100 percent power at the end of June.

i II . . CHALLENGES TO THE PRESSURIZER POWER-OPEhATED RELIEF VALVES OR PRESSURIZER SAFETY VALVES i

No PORVs or safety valves were challenged in June. I I

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-327 UNIT NO. ONE DATE: July 8, 1998 COMPLETED BY: Tanya J. Hollomon TELEPHONE: (423) 843-7528 MONTH: JUNE 1998 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (hWe-Net) DAY (MWe-Net)

1. 1137 17. 1130

2. 1136 18. 1131

3. 1131 19. 1131

4. 1136 20. 1131

5. 1131 21. 1130

6. 1134 22. 1128

7. 1135 23. 1132 ,

8. 1138 24. 1126 1

9.

1137 25. 1129 l

10. 1134 26. 1128

11. 1137 27. 1126 12 1134 28. 1129

13. 1133 29. 1126

14. 1135 30. 1125

15. 1131 31. NA

16. 1130 E-2 i

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-328 UNIT NO. TWO DATE: July 8, 1998 COMPLETED BY: Tanya J. Hollomon TELEPHONE: (423) 843-7528 MONTH: JUNE 1998 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe-Net) DAY (MWe-Net)

1. 1135 17 1128

2. 1137 18. 1127

3. 1135 19. 1132

4. 1132 20. 1114

5. 1127 21. 1127

6. 1120 22. 1129

7. 1133 23. 1128

8. 1136 24. 1125

9. 1132 25, 1128

10. 1130 26. 1124 _

11. 1132 27. 1125 12 1132 28. 1125

13. 1131 29. 1125

14. 1109 30. 1124

15. 1129 31. NA

16. 1128 l

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OPERATING DATA REPORT l

Docket No. 50-327 Date: July 8, 1998 Completed By: T. J. Hollomon Telephone: (423) 843-7528

1. Unit Name: SQN Unit 1

2. Reporting Period: June 1998

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

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 fbr Restrictions,If any: N/A This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 720 4,343 149,016

12. Number of Hours Reactor was Critical 720.0 4,311.3 89,167

-13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 720.0 4,296.8 87,356.4

15. Unit Reserve Shutdown Hours 0.0 0 0

16. Gross Thermal Energy Generated (MWh) 2,454,184.8 14,611,744.5 285,855,740

' 17.

. Gross Electric Energy Generated (MWh) 841,030 5,074,196 97,475,323

18. Net Electrical Energy Generated (MWh) 814,318 4,914,988 93,614,885 l

19. Unit Service Factor

{

100.0 98.9 58.6

20. Unit Availability Factor 100.0 98.9 58.6

21. Unit Capacity Factor (Using MDC Net) 100.8 100.9 56.0

22. Unit Capacity Factor (Using DER Net) 98.5 98.6 54.7 I 23. Unit Forced Outage Rate 0.0 1.1 29.1

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): Unit 1 Cycle 9 refueline outace is scheduled to start Sentender 9.1998. with a duration'of 37 days. '

25. If Shutdown at End of Report Period, Estimate Date of Startup. Ni%  ;

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OPERATING DATA REPORT Docket No. 50-328 Date: July 8, 1998 Completed By: T. J. Hollomon Telephone: (423) 843-7528

1. Unit Name: SQN Unit 2

2. Reporting Period: June 1998

3. Licensed Thermal Power (MWt): 3411.0

4. Nameplate Rating (Gross Mwe): 1220.6 {

5. Design Electrical Rating (Net Mwe): 1148.0 l

6. Maximum Dependable Capacity (Gross MWe): 1156 l

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 Yreto-Date Cumulative

11. Hours in Reporting Period 720 4,343 140,976 a

12. Number of Hours Reactor was Critical 720.0 4.343.0 91,998

13. Reactor Reserve Shutdown Hours 0 0 0 14 Hours Generator On-Line 720.0 4,343.0 90,017.5

15. Unit Reserve Shutdown Hours 0.0 0 0

16. Gross Thermal Energy Generated (MWh) 2,451,816.0 14,799,632.7 288,776,969

17. Gross Electric Energy Generated (MWh) 836,405 5,117,134 98,342,498 18 . Net Electrical Energy Generated (MWh) 811,541 4,966,774 94,372,136 i

19. Unit Service Factor 100.0 100.0 63.9

20. Unit Availability Factor 100.0 100.0 63.9

21. Unit Capacity Factor (Using MDC Net) 100.9 102.4 59.9

22. Unit Capacity Factor (Using DER Net) 98.2 99.6 58.3

23. - Unit Forced Outage Rate 0.0 0.0 28.2 j

~ 24. ' Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): N/A

25. If Shutdown at End of Report Period, Estimate Date of Stanup. N/A i

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