ML20237B522

Monthly Operating Repts for July 1998 for Snp

ML20237B522
Person / Time
Site:	Sequoyah
Issue date:	07/31/1998
From:	Bajestani M, Hollomon T TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9808180365
Download: ML20237B522 (10)

Text

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Tennessee Valley Authority, Post Offico Box 2000, Soddy Daisy, Tennessee 37379-2000 Masoud Bajestani Site Vce President Sequoyah Nuclear Plant August 12, 1998 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555 Gentlemen:

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

SEQUOYAH NUCLEAR PLANT (SQN) - JULY MONTHLY OPERATING REPORT l

The. enclosure provides the July 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 Masou ajestani Encl sure t cc: See page 2 O

g 9808180365 DR 900731 1

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l ADOCK 05000327

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U.S. Nuclear-Regulatory Commission

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Aage 2-August 12, 1998 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

, Mr. James:Lang, Manager Advanced Reactor Department

' Electric 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 AtlantaLFederal Center

'61 Forsyth Street, SW, Suite 23T85

.., Atlanta, Georgia 30303-3415 l

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ENCLOSURE I TENNESSEE VALLEY AUTHORITY SEQUOYAH NUCLEAR PLANT (SQN)

MONTHLY OPERATING REPORT JULY 1998 UNIT 1 DOCKET NUMBER 50-327 .

LICENSE NUMBER DPR-77 UNIT 2 DOCKET NUMBER 50-328 LICENSE NUMBER DPR-79 1

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OPERATIONAL SUNIOLRY

. JULY 1998 I. SEQUOYAH OPERATIONAL

SUMMARY

UNIT 1 l

Unit 1 generated 860,046 megawatthours (MWh) (gross) electrical power during July with a capacity factor of 99.57 percent. There were no outages or power reductions i

of greater than 20 percent in the average daily power level during July. Unit 1 was operating at 100 percent l* power at the end of July.

UNIT 2 Unit 2 generated 853,693 MWh (gross) electrical power during July with a capacity factor of 99.3 percent'. There were no outages or power reductions of greater than 20 percent in the average daily power level during July.

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

i II. CHALLENGES TO THE PRESSURIZER POWER-OPERATED RELIEF VALVES  !

OR PRESSURIZER SAFETY VALVES l No PORVs or safety valves were challenged in July.

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1 . .

i AVERAGE DAILY UNIT POWER LEVEL

. . . j DOCKET NO. 50-327 UNIT NO. ONE DATE: August 8, 1998 COMPLETED BY: Tanya J. Hollomon TELEPHONE: (423) 843-7528 MONTH: JULY 1998 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL '

DAY (MWe-Net) DAY (MWe-Net) 1

1. 1125 17. 1120

{

2. 1123 18. 1119 l 3. 1123 19. 1119

4. 1127 20. 1118

5. 1125 21. 1118

6. 1124 22. 1114

7. 11 3 23. 1112 l 8. 1122 24. 1111

9. 1117 25. 1104

10. 1118 26. 1104

11. 1118 27. 1108 12 1120 28. 1117 l . 13. 1122 29. 1117

14. 1120 30. 1118 l l 15. 1120 31. 1116

16. 1120 _

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~

l AVERAGE DAILY UNIT POWER LEVEL I

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

1. 1123 17. 1110

2. 1120 18. 1109

3. 1121 19. 1114

4. 1119 20. 1113

5. 1121 21. 1110

6. 1120 22. 1113

7. 1117 23. 1109

8. 1115 24. 1108

9. 1112 25. 1111

10. 1110 26. 1112

11. 1111 27. 1113 12 1111 28. 1114

13. 1114 29. 1118

14. 1111 30. 1113

, 15. 1111 31, 1116

16. 1112 i

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OPERATING DATA REPORT Docket No. 50-327 Date: August 10,1998 Completed By: T. J. Hollomon Telephone: (423) 843-7528

1. Unit Name: SQN Unit 1

2. . Reporting Period: July 199.

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

11. Hours in Reporting Period 744 5,087 149,760

12. Number of Hours Reactor was Critical 744.0 5,055.3 89,911

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 744.0 5,040.8 88,100.4

15. Unit Reserve Shutdown Hours 0.0 0 0

16. Gross Thermal Energy Generated (MWh) 2,535,806.4 17,147,550.9 288,391,546

17. Gross Electric Energy Generated (MWh) 860,046 5,934,242 98,335,369

18. Net Electrical Energy Generated (MWh) 831,318 5,746,306 94,446,203

19. Unit Service Factor 100.0 99.1 58.8

20. Unit Availability Factor 100.0 99.1 58.8

21. Unit Capacity Factor (Using MDC Net) 99.6 100.7 56.2

22. Unit Capacity Factor (Using DER Net) 97.3 98.4 54.9

23. Unit Forced Outage Rate 0.0 0.9 28.9

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): U1C9 RFO scheduled to  !

start September 9.1998 with a duration of 37 days.

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

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! OPERATING DATA REPORT Docket No. 50-328

, Date: August 10,1998 Completed By: T. J. Hollomon Telephone: (423) 843-7528 l

1. Unit Name: SQN Unit 2

2. Reporting Period: July 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): 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 Yr-to-Date Cumulative

11. Hours in Reporting Period 744 5,087 141,720

12. Number of Hours Reactor was Critical 744.0 5,087.0 92,742

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 744.0 5,087.0 90,761.5

15. Unit Reserve Shutdown Hours 0.0 0 0

16. Gross Thermal Energy Generated (MWh) 2,536,041.6 17,335,674.3 291,313,011

17. Gross Electric Energy Generated (MWh) 853,693 5,970,827 99,196,191

18. Net Electrical Energy Generated (MWh) 828,'57 5,794,931 95,200,293 _

19. Unit Service Factor 100.0 100.0 64.0

20. Unit Availability Factor 100.0 100.0 64.0 I

' 21. Unit Capacity Factor (Using MDC Net) 99.7 102.0 60,1

22. Unit Capacity Factor (Using DER Net) 97.0 99.2 58.5

23. Unit Forced Outage Rate 0.0 0.0 28.0

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, an 3 Duration of Each): N/A

25. If Shutdown at End of Report Period, Estimate Date of Startup. N/A j l

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