ML20066D292

Monthly Operating Rept for VC Summer Nuclear Station Unit 1 for Dec 1990

ML20066D292
Person / Time
Site:	Summer
Issue date:	12/31/1990
From:	Haltiwanger J, Skolds J SOUTH CAROLINA ELECTRIC & GAS CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9101140303
Download: ML20066D292 (5)

Text

1. - Bout Carolina Electric & Gia Ctsmpeny 1 . o 6

'g , Jenhnsville, $c 29055 Eclear Operatens (303; 3454040 SCt!&G

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JAW D 91991 Document Control Desk U. S. Nuclear Regulator,' Commission Washingtr,n, DC 20555 Attention: Director, Off me of Resource Management Gentlemen:

Subject:

VIRGIL C. SUMMER NUCLEAR STATION DOCKET NO. 50/395 OPERATING LICENSE NO. NPF-12 DECEMBER MONTHLY OPERATING REPOR1 71 ease find enclosed the December 1990 Monthly Operating Rsport for the Virgil C. Summer Nuclear Station Unit No. 1. This submittal is made in accordance with the requirements of Technical Specifications. Sectioti 6.9.1.10.

If there are any questions, please call me at your convenience.

Very truly yours j

John L. Skold3 l DCH:JWH:JLS: Tcd Attachments e: 0. W. Dixon, Jr. J. W. F11tter R. R. Mahan INP0 Records Center R..J. White ANI Libr_ary S. O. Ebneter Marsh & McLennan G. F. Wunder NPCF General Managers NSRC G. G. Soult RTS (MON 2000)

NRC Resident Inspector File (818.03-1)

J. B. Knotts, Jr.

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l 9101140303 901231 ,

POR AJOCK 05000395 '

R PDR 1d elbb NUCLEAR EXCELLENCE - A SUMMER TRADITION!

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4 Director, Office'of Resource Management December Monthly 0perating Report Page 2 ATTACHMENT ll OPERATING DATA REPORT DOCKET NO. 50/395 UNIT V. C. SUMMER I DATE 01/02/91 COMPLETED BY J. W HALTIWANGER 7ELEPHONE (603) 345 0297 OPERATING STATUS

1. Reporting Period: De: ember 1990 Gross ~ Hours in Reporting Period: 744

2. Currently Authorized Pcwer 1.evel (MWt): 2775 Max. Depend. Capacity (MWe-Pet): 885 Design Electrical Rating (HWe. Net): 900

3. Power level to Which Restricted (If Any)(Nde Net): N/A

4. Reasons for Restrictions: N/A THIS MONTH YR TO DATE CUMULATIVE

5. Number of Hours Reactor Critical 744.0. 1346.3 47359.1

6. Reactor Reserve Shutdown Hours 0.0 . 0.0 0.0 7.-Hours Generator on Line 744.0 7262.4 46422.0

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (MWH) 1584367 19301167 121671480

10. Gross Electrical Energy (MWH) 623580 6395150 40256B59

- 11. Het-Electrical Energy Generated (MWH) 496794 6106915 382J6831

12. Reactor Service Factor 100.0 83.9 77.2

13. Reactor Availability Factor 100.0 83.9 77.2

14. Unit Service factor 100.0 82.9 75.6

- 15. Unit-Availability factor 100.0 82.9 75.6-

16. Unit Capacity Factor (Using-MDC) 75.5 78.8 70.3

'17. Unit Capacity Factor (Design MWe) 74.2 77.5 59.2

18. Unit Forced Outage Rate 0.0 0.0 7.7

19. Shutdowns Scheduled Over Next 6 Months (Type, Date & Duration of Each):

N/A 20..If Shut Down at End of Report Period, Estimated Date of Startup:

N/A

21. Units in Test Status (Prior to Commercial Operation): N/A f

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x i Director, Of fice of Resot.rce Mancgement December tionthly Operating Report Page 1 ATTACitMEKT I AVERAGE DAILY VtIIT POWER LEVEL C0CKET N0. 50/39C UNIT V. C. SUMMER I DATE 1/ 2/91 COMPLETED BY J. W. HALTIWANGER TELEPliONE (e03) 345-4207 DECEMBER 1990 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (We-Net)

1. 890 17, 885

2. 892 18. 694

3. 890 19. 365 l

4. 891 20. 376

. 801 21. 376

6. 896 22. 377

7. 895 23. 379

8. 883 24, 381

9. 883 25, 381 10, 886 26. 384 li. 886 27. 381 l'2 . 886 28. 377 13, 886 29. 376

14. 886 30. 378

15. 886 31. 377

16. 885

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Director, Office of Resource Management December Monthly Operating Report Page 3 ATTACHMENT !!!

UNIT SHUTDOWNS AND POWER REDUCTIONS  ;

DOCKET Ho. 50/395 UNIT V. C. SUMMER I DATE 1/ 2/91 COMPLETED BY J. W. HALT!WANGER TELEPHONE (803)345-4297 DECEMBER 1990 NO. DATE TYPE' DURATION REASON METHOD CORRECTIVE ACTION / COMMENTS 4 901218 5 0.0 F 5 POWER REDUCTION iO CONSERVE FUEL Lu 10 RI A50N A: (quipm.ent Falture 8: Mamtenente or lett C: hefuelmg .

D: Regula tory Restriction E: Operator Traimng and License iaammation f: Admmistrative G: Operational t rror H: Other(tuptem) 2 0 METHOD 1: Manual 2: Manual 5 cram J: Automat 4 Scram 4: Contmuotion (Use initial Date) 5: Power Reduction (Duration 0.0) 9 Other(Isplam) i 1

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Director, Office of Resource Management December Monthly Operating Report Page 4 4

ATTACHMENT IV NARRATIVE

SUMMARY

Of OPERATING EXPERIENCE DOCKET NO. 50/395 UNIT V. C. SUMMER I DATE 01/02/91 COMPLETED BY J. W. HALTlWANGER TELEPHONr. (803) 345-4297 DECEMBER 1990 Virgil C. Summer Nuclear Stetion (VCSN) opt sted at approximately 100% power for the first 17 days of December. On December 18, power was reduced to approximately 47% to conserve fuel. VCSNS operated at approximately 47%

power for the remainder of the month of December.

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