NOC-AE-000593, Monthly Operating Repts for June 1999 for Stp,Units 1 & 2. with

Monthly Operating Repts for June 1999 for Stp,Units 1 & 2. with

ML20209H191
Person / Time
Site:	South Texas
Issue date:	06/30/1999
From:	Cobb D, Hill R, Mallen F HOUSTON LIGHTING & POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NOC-AE-000593, NOC-AE-593, STI30918401, NUDOCS 9907200157
Download: ML20209H191 (14)

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July 15,1999 NOC-AE-000593 File No. G02 S1130918401 10CFR50.71 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 South Texas Project Units 1 and 2 Docket Nos. STN 50-498, STN 50-499 Monthly Operating Reports for June,1999 Pursuant to 10CFR50.71(a) and South Texas Project Electric Generating Station (STPEGS) Technical Specification 6.9.1.5, attached are the Monthly Operating Reports for May, 1999, if you should have any questions on this matter, please contact R. L. Hill at (361) 972-7667.

Sincerely, F. H. Mallen  !

Manager, Planning & Controls Attachments: 1) STPEGS Unit 1 Monthly Operating Report-June,1999

2) STPEGS Unit 2 Monthly Operating Report -June,1999

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NOC-AE-000593 File No.: G02 Page 2 Ellis W. Merschoff Jon C. Wood Regional Administrator, Region IV Matthews & Branscomb U. S. Nuclear Regulatory Commission One Alamo Center 611 Ryan Plaza Drive, Suite 400 106 S. St. Mary's Street, Suite 700 Arlington, TX 76011-8064 San Antonio, TX 78205-3692 Thomas W. Alexion Institute of Nuclear Power Project Manager, Mail Code 0-13 H3 Operations - Records Center U. S. Nuclear Regulatory Commission 700 Galleria Parkway Washington, DC 20555-0001 Atlanta, GA 30339-5957 Cornelius F. O'Keefe Richard A. Ratliff Sr. Resident Inspector Bureau of Radiation Control c/o l'. S. Nuclear Regulatory Commission Texas Department of Health P. O. Box 910 1100 West 49th Street Bay City, TX 77404-0910 Austin, TX 78756-3189 J. R. Newman, Esquire D. G. Tees /R. L. Balcom Morgan, Lewis & Bockius Houston Lighting & Power Co.

1800 M. Street, N.W. P. O. Box 1700 Washington, DC 20036-5869 Houston,TX 77251 W. C. Gunst/M. T. Hardt Central Power and Light Company City Public Service ATTN; G. E. Vaughn/C. A. Johnson P. O. Box 1771 P. O. Box 289, Mail Code: N5012 San Antonio,TX 78296 Wadsworth,TX 77483 A. Ramirez/C. M. Canady U. S. Nuclear Regulatory Commission City of Austin Attention: Document Control Desk Electric Utility Department Washington, D.C. 20555-0001

- 721 Barton Springs Road Austin,TX 78704 i

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SOUT11 TEXAS PROJECT -

ELECTRIC GENERATING STATION UNIT I MONT11LY OPERATING REPORT .

JUNE 1999 STP NUCLEAR OPERATING COMPANY NRC DOCKET NO. 50-498 LICENSE NO. NPF-76 Reviewed By: [ 1/Mpf D.L. Coll Date '

Approved By: [ lof ' 14t*%%

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, . MONTHLY

SUMMARY

South Texas Project Unit 1 began the reporting period operating at full power.

- On June 27, at 1100 an automatic reactor trip occurred due to a bad connection in the overspeed protection control circuit for the main turbine. The unit was returned to service on June 29, at 0315 and achieved full power at 2044.

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. OPERATING DATA REPORT DOCKET NO. 50-498 UNIT I DATE July 7,1999 COMPLETED BY- R.L. Hill TELEPHONE 361 972 7667 OPERATING STATUS

- 1. REPORTING PERIODi6/1/99-6/30/99 GROSS HOURS IN REPORTING PERIOD: 2 729

2. CURRENTLY AUTHORIZED POWER LEVEL (Mwt): 3800 MAXIMUM DEPENDABLE CAPACITY (MWe-Net): 1250.6' l

DESIGN ELECTRICAL RATING (MWe-Net): 1250.6

3. ' POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): None

' 4. f REASONS FOR RESTRICTION (IF ANY): N/A -

THIS MONTH YR 'ID DATE CUMULATIVE

5. = , NUMBER OF HOURS REACTOR CRITICAL 689.8 3,522.5 70.318.6

6. REACTOR RESERVE SHUTDOWN HOURS g g g

- 7.. . HOURS GENERATOR ON LINE - 679.8 3,490.2 68,804.8 8.- UNIT RESERVE SHUTDOWN HOURS g g 9

9. ' GROSS THERMAL ENERGY GENERATED (MWH) 2,572,078 12,925,248 255,403,469

'~ 10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 875,586 4,404,691 87,103,943

11. NET ELECTRICAL ENERGY GENERATED (MWH) 835,686 4,209,833 82.982,524

'12. REACTOR SERVICE FACTOR 95.8% 81.1 % 73.9 %  !

13. REACTOR AVAILABILITY FACTOR 95.8 % 81.1 % 73.9 %

14. UNIT SERVICE FACTOR' 94.4 % 80.3 % 72.4 % )

15. UNIT AVAILABILITY FACTOR 94.4 % 80.3 % 72.4 %

' 16.' ; UNIT CAPACITY FACTOR (Using MDC) 92.8 % 77.5 % 69.8 %

17. UNIT CAPACITY FACTOR (Using Design MWe) 92.8 % 77.5 % 69.8 %

18. UNIT FORCED OUTAGE RATE 5.6% 1.7% 17.5 %

19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH):

NA'

' 20. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: N/A l

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R AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-498 UNIT I DATE Iuly 7,1999 COMPLETED BY R.L. Hill TELEPliONE 361 972-7667 MONTli ' JUNE DAY - AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL LEVEL (MWe-Net) (MWe-Net) 1 '1245 17 1243

'2 1241 18 1244 3 1246 19 1245 4 1245 20 1245 5 1246 21 1246 6 1246 22 1246 7 1245 23 1245

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8 1246 24. 1245 9 1246 25 1246 10 1245 26 1245 11 1245 27 5,42

~12 1245 28 0 13 1244 29 678 14 1238 30 1242  !

l 15 1244 31 N/A 16" 1244

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w SOUTil TEXAS PROJECT ELECTRIC GENERATING STATION UNIT 2 MONTHLY OPERATING REPORT JUNE 1999 STP NUCLEAR OPERATING COMPANY NRC DOCKET NO. 50-499 i

LICENSE NO. NPF-80 Reviewed By: [M 7/g/fy D.L. COBB Date '

1 Approved By: [*f 1IW l G. Date I

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MONTHLY

SUMMARY

South Texas Project Unit-2 began the reporting period operating at approximately 86-percent. On May 29, reactor power was reduced to allow tube leak repairs on feedwater heater 25C. Repairs were completed and the unit was returned to full power on June 1, at 1638. The unit operated for the remainder of the reporting period at full power with no unit shutdowns or significant reactor power reductions.

OPERATING DATA REPORT DOCENT. 50-499 UNIT 2_

DATE July 7,109 COMPLETED BY R.L. Ilill TELEPilONE 512 972-7667 OPERATING STATUS 1., REPORTING PERIOD: 6/1/99-6/30/99 GROSS IlOURS IN REPORTING PERIOD: 720

~2. CURRENTLY AUT110RIZED POWER LEVEL (Mwt): 3800 MAXIMUM DEPENDABLE CAPACITY (MWe-Net): 1250.6 DESIGN ELECTRICAL RATING (MWe-Net): 1250.6

3. POWER LEVEL TO WillCII RESTRICTED (IF ANY) (MWe-Net): None 4, REASONS FOR RESTRICTION (IF ANY): N/A Tills MONTil YR TO DATE CUMULATIVE

5. NUMBER OF llOURS REACTOR CRITICAL 720.0 4,324.1 67,325.6

6. REACTOR RESERVE SilUTDOWN iiOURS 0 0 0

7. IlOURS GENERATOR ON LINE 720.0 4,315.9 65,704.0

8. UNIT RESERVE SilUTDOWN llOURS 0 0 0

9. GROSS TilERMAL ENERGY GENERATED (MWil) 2,741,278 16,400,305 244,300,671

10. ' GROSS ELECTRICAL ENERGY GENERATED (MWII) 933,057 5,607,399 83,199.272

11. NET ELECTRICAL ENERGY GENERATED (MWil) 892,161 5,372,604 79,436,693

12. REACTOR SERVICE FACTOR 100.0 % 99.6 % 76.6%

13. REACTOR AVAILABILITY FACTOR 100.0 % 99.6 % 76.6 %

14. UNIT SERVICE FACTOR 100.0 % 99.4 % 74.7 %

15. UNIT AVAILABILITY FACTOR 100.0 % 99.4 % 74.7 %

16. UNIT CAPACITY FACTOR (Using MDC) 99.1 % 98.9 % 72.2 %

17. UNIT CAPACITY FACTOR (Using Design MWe) 99.1 % 98.9 % 72.2 %

18. UNIT FORCED OUTAGE RATE 0.0% 0.6% 16.8 %

19. SHUTDOWNS SCllEDULED OVER NEXT 6 MONTilS (TYPE, DATE, AND DURATION OF EACli):

Scheduled 37-day outage to allow refueling and 10-year in service inspection to begin on October 9,1999. ]

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AVERAGE DAILY UNIT POWER LEVEL DOCKETNO. 50-499 UNIT 2 DATE July 7,1999 COMPLETED BY R.L. Hill TELEPilONE 512 972-7667 MONTH JUNE DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL LEVEL

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