ML20137W485

Monthly Operating Rept for Mar 1997 for Cooper Nuclear Station

ML20137W485
Person / Time
Site:	Cooper
Issue date:	03/31/1997
From:	Ballinger P, Peckham M NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NLS970062, NUDOCS 9704180113
Download: ML20137W485 (6)

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1. ' COOPER NUCLEAR STATION

(~'3 P.O. 00X 98, BRoWNVLLE. NEBRASKA (C21 I

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NLS970062 April 15, 1997 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555

Subject:

Monthly Operating Status Report for March 1997, Docket No. 50-298.

Gentlemen Enclosed for your information and use is the Cooper Nuclear Station Monthly Operating Status Report for March 1997. The report includes Operating Status, Average Daily Unit Power Level, Unit Shutdown Data and a Narrative Summary of Operating Experience for the month of March.

Should you have any comments, or require additional information regarding this report, please contact me.

Sincerely, I

M. eckham Plant Manager MFP:lb Enclosures cc: ANI Library R. W. Beck and Associates T. H. Black T. L. Bundy J. M. Cline A. L. Dostal P. D. Graham R. L. Gumm G. R. Horn INPO Records Center E. A. Lanning J. L. Long W. R. Mayben J. R. McPhail f

NRC Regional Administrator -

NRC Senio5 Resident Inspector g h @q j E. Pasche W. Turnbull F. E. Yost 1COh

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OPERATING DATA REPORT DOCKET NO, 050-0298 UNIT CNS DATE 4/15/97 OPERATING STATt!S TELEPilONE (402)825-5295

1. Unit Name: Cooper Nuclear Station Notes

2. Reporting Period: March 1997 3 1.icensed Thermal Power (kiWt): 2381 4 Nameplate Rating (Gross MWe). 836 5 Design Electrical Rating (Nct MWe): 778 6, Maximum Dependable Capacity (Gross MWe): 787 7 Maximurn Dependable Capacity (Net MWe): 764

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

9. Power Level To which Restricted,if Any (Net MWe).

10. Reasons For Restriction, if Any:

This Month Yr.-to-Date Cumulative i 1. Ilours in Reporting Period 744.0 2,160.0 199,441 0

12. Number of Ilours Reactor Was Critical 675.1 2,091.1 149,735.8

13. Reactor Reserve Shutdown !!ours 0.0 0.0 0.0

14. Ilours Generator On-Line 674.8 2.090.8 147,574 9

15. Unit Reserve Shutdown flours 0.0 0.0 0.0

16. Gross %crmal Energy Generated (MWII) I,522,929.0 4,872.201.0 308.986.084.0

17. Gross Electric Energy Generated (MWil) 500,885.0 1,605,775.0 100.486,603.0

18. Net Electric Energy Generated (MWil) 486,261.0 1,561,672.0 97.126,699.0 1

19. Unit Service factor 90.7 96.8 74.0

20. Unit Availability Factor 90.7 96.8 74.0

21. Unit Capacity I actor (Using MDC Net) 85 5 94.6 63.7

22. Unit Capacity Factor (Using DER Net) 84 0 92.9 ti2.6

23. Unit Forced Outage Rate 9.3 3.2 7.9 1

24. Shutdown Scheduled Over Next 6 Months (Type, Date, and Duration of Each): Refuelintr Oatage, March 28,1997,40 days.

25. If Shut Down At I nd of Report Period, Estimated Date of Startup: May 7,1997

26. Units in Test Status (Prior to Commercial Operation): Forecast Achieved INITIAL CRITICAIJTY INITIAL ELECTRICITY COMMERCIAL OPERATION

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I AVERAGE DAILY UNIT POWER LEVEL i

l DOCKET NO. 050-0298 UNIT CNS DATE 4/15/97 TELEPilONE (402) 825-5295 MONTil March 1997 3 DAY. AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL

. (MWe-Net) (MWe-Net) 1 765 17 704 2 764 18 702 3- 764 19 695 4 764 20 695 5 764 21 694 6 763 22 694 7 764 23 694 8 764 24 694 9 763 25 692 10 766 26 692 11 764 27 694 12 764 28 497 13 764 29 9 14 762 30 -

15 702 31 -

16 707 INSTRUCTIONS:

On this format, list the average daily unit power level in MWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

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UNIT SHUTDOWNS AND POWER REDUCTIONS ~

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. DOCKET NO- 950-0298

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UNIT NAME - Cooper Nuclear Station DATE 4/15,97 COMPLETED BY.- P. L Ballinger REPORT MONTH March 1997 TELEPHONE (492) 825-5295 -

MetLd tM Na- Date - . Ty pe I , Reason 2 Shetting Don a . Licensee Esest Report Component Code 5 s C

• NA N/A 97 01 3/29/97 - 69.2 2 - s/A sh tdo.. ror C3cie is Refuesi.e O.tase .

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1 F: Forced 2 Reasos: 4 Exhibit G -Instructions for S: Scheduled A - Equipment Failure (Explais) 3 blethod: Preparation of Data Entry

E - Maintenance or Test 1 - Mammal Sheets for IJtensee Et est

!' C- Refueling 2 - Manuel Scram Report (LER) File (NUREG-4161)

D - Regulatory Restriction 3 - Automatic Scram

j. E - Operator Training & License Esamination 4 - Contimmed 5 Exhibit I-Sanne Source

[ F- Adunimistratise 5- Reduced lead I- G - Operational Error (Emplais) 6 - Other II- Other (Explais)

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OPERATIONS NARRATIVE COOPER NUCLEAR STATION March 1997

. The plant operated for the first half of the month at full power. Feedwater heater problems required -

reduced power operations for the second half of the month. The plant maintained reduced power

j. operation until the shutdown for the refueling outage. A capacity factor of 84% was achieved for -

- the month.'

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l_ ATTACHMENT 3 LIST OF NRC COMMITMENTS l ,

s- l Correspondence No: NLS970062 The following table identifies those actions committed to by the District in this document. Any other actions discussed in the submittal represent intended or planned actions by the District. They are described to the NRC for the NRC's information and are not regulatory commitments. Please notify the Licensing Manager at Cooper Nuclear Station of any questions regarding this document or any associated regulatory commitments.

COMMITTED DATE COMMITMENT OR OUTAGE None

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l PROCEDURE NUMBER 0.42 l REVISION NUMBER 4 l PAGE 8 OF 9 l l i

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