ML20070E752

Monthly Operating Rept for June 1994 for Cooper Nuclear Station

ML20070E752
Person / Time
Site:	Cooper
Issue date:	06/30/1994
From:	Gardner R NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CNSS948661, NUDOCS 9407180028
Download: ML20070E752 (5)

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CNSS948661 July 6, 1994 Document Control Desk U. S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

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

Gentlemen Enclosed for your information and use is the Cooper Nuclear Station Monthly Operating Status Report for June 1994. The report includes operating Status, Average Daily Unit Power Level, Unit Shutdown Data and a Narrative Summary of Operating Experience for the month of June.

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

Sincerely,

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R. L. Gardner Plant Manager RLGISCWaglm Enclosures cc: G. D. Watson L. J. Callan I

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OPERATING DATA REPORT

- DOCKET NO. 050-0298

. UNIT CNS DATE July 10, 1994 OPERATING STATUS TELEPHONE (4021 825-5487

1. Unit Name: Coooer Nuclear Station Notes l

2. Reporting Period: June 1994 l

3. Ucensed Thermal Power (MWt): 2381 4 Nameplate Rating (Grose MWe): 836

5. Design Doctrical Rating (Not MWe): 778

6. Maximum Dependable Capacity (Gross MWe): 787

7. Maximum Dependablo Capacity (Net MWe): 764

8. If Changes Occur in Capacity Ratinge titems Number 3 Through 7) Since Last Report, Give Reasons:

9. Power Level To Which Restricted, if Any (Not MWe):

10. Reasons For Restriction, if Any:

This Month Yr.-to-Date Cumulative

11. Hours in Reporting Period 720.0 4.343.0 175.320.0 l

13. Number of Hours Reactor Was Critical 0.0 3.076.4 133.190.2

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0 ]

14. Hours Generator On-Une 0.0 3.033.0 131.279.3 ,

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15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 0.0 6.953.352.0 271.311.244.0 l

17. Gross Electric Energy Genereted (MWH) 0.0 2.296.447.0 88.118.345.0

18. Net Electric Energy Generated (MWH) 0.Q_ 2.227.260.0 85.098.438.0

19. Unit Service Factor 0.0 69.8 74.9

20. Unit Availability Factor 0.0 69.8 74.9

21. Unit Capacity Factor (Using MDC Net) 0.0 67.1 63.5

32. Unit Capacity Factor (Using DER Net) 0.0 65.9 62.4

23. Unit Forced Outage Rate 100.0 30.2 5.1

24. Shutdown Scheduled Over Next 6 Months (Type, Dete, and Duration of Each):

Maintenance Outaae. October 16,1994. Duration - Two Weeks

25. If Shut Down At End cf Report Period, Estimated Date of Startup: Jufv 11,1994

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

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-0298 i UNIT CNS DATE July 10. 1994 TELEPHONE (402) 825-5487 MONTH June 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL ,

(MWe-Net) (MWe-Net) 1 0 17 0  :

2 0 18 0 3 0 19 0 I

4 0 20 0 5 0 21 0 6 0 22 0 7 0 23 0 8 0 24 0 9 0 _

25 0 10 0 26 0  !

11 0 27 0 i i

12 0 28 0 13 0 29 0 14 0 30 0 i

15 0 31 0 l

16 0 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 -

DOCKET NO. 050-0298 UNIT NAME Cooper Nuckar Station' DATE June 10,1994 COMPLETED BY S. C. Wheeler q TELEPHONE (402) 825-5487 REPORT MONTH June 1994 Method Of Licensee Cause & Corrective Duration Shutting Event System

• Component5 Action to No. Date Type' (Hours) Reason 8 Down Reactor 8 Report Code Code Prevent Recurrence 94-5 5/25/94 F 720 H 1 94-009 EK 27 EDG 1 and EDG 2 declared inoperable due to insufficient UV relay testing.

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1 F: Forced 2 Reason: 3 Method: 4 ExNbit G - Instructions for S: Scheduled A - Equipment Failure (Explain) 1 - Manual Preparation of Data Entry l B - Maintenance or Test 2 - Manual Scram Sheets for Licensee Event l C - Refueling 3 - Automatic Scram Report (LER) File (NUREG4161)

D - Regulatory Restriction 4 - Continued E - Operator Training & License Examination 5 - Reduced Load 5 ExNbit I - Same Source F Administrative 6 - Other G - Operational Error (Explain)

H - Other (Explain) o

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OPERATIONS NARRATIVE COOPER NUCLEAR STATION June 1994 i

Cooper Nuclear Station was shut down May 25 to address Emergency Diesel Generator testing deficiencies, and remained shut down for the i entire month of June. l

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A unit capacity factor of 0.0 percent (MDC Net) was attained for the month of June.

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