ML20069L547

Monthly Operating Rept for May 1994 for Cooper Nuclear Station

ML20069L547
Person / Time
Site:	Cooper
Issue date:	05/31/1994
From:	Wheeler S NEBRASKA PUBLIC POWER DISTRICT
To:
Shared Package
ML20069L543	List: ML20069L541 ML20069L547 ML20069L677
References
NUDOCS 9406200063
Download: ML20069L547 (4)

Text

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OPERATING DATA REPORT

- DOCKET No. 050-0298 UNIT CNS DATE June 10. 1994 OPERATING STATUS TELEPHONE (402) 825-5487

1. Unit Name: CooDer Nuclear Station Notes

2. Reporting Period: May 1994

3. Ucensed Thermal Power (MWt): 2381

4. Nameplate Rating (Gross MWe): 836 5 Design Electrical Rating (Not MWe): 778

6. Maximum Dependable Capacity (Gross MWe): 787

7. Maximum Dependable Capacity (Not 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

11. Hours in Reporting Period 744.0 3.623.0 174.600.0

12. Number of Hours Reactor Was Critical 598.0 3.076.4 133.190.2 13 Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Generator On-Une 598.0 3.033.0 131.279,3

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1.399.104.0 6.953.352.0 271.311.244.0

17. Gross Electric Energy Generated (MWH) 456.586.0 2.296.447.0 88.118.345.0 18 Not Electrio Energy Generated (MWH) 443.505.0 2.227.260.0 85.098.438.0 19 Unit Service Factor 80.4 83.7 75.2 20 Unit Availability Factor 80.4 83.7 75.2

21. Unit Capacity Factor (Using MDC Net) 78.0 80.5 63.8

22. Unit Capacity Factor (Using DER Net) 76.6 79.0 62.6 23 Unit Forced Outage Rate 19.6 16.3. 4.6

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

Maintenance Outaae. October 16.1994. Duration - Two Weeks

25. If Shut Down At End of Report Period, Estimated Date of Startup:

26 Units in Test Status (Prior to Commerelal Operation): Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 9406200063 940610 PDR ADOCK 05000290 R pop

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-0298 UNIT CNS DATE June 10. 1994 ,

TELEPHONE (402) 825-5487 l MONTH _JQv 1994 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Not) (MWe-Net)  ;

1 1

1 762 17 747-2 765 18 745 3 764 19 744 4 763 20 742 5 761 21 744 <

l 6 760 22 732 7 760 23 743 8 758 24 742 9 762 25 539 10 760 26 0 11 757 27 0 12 757 28 0 13 755 29 0 14 747 30 0 15 627 31 0 16 746 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 Nuclear Station DATE June 10,1994 COMPLETED BY S. C. Wheeler .

TELEPHONE (402) 825-5487 -

REPORT MONTH May 1994 Method Of Ucensee Cause & Correctve Duration Shutting Event System

• Component

• Acton to No. Date Type' (Hours) Reason ' Down Reactor' Report Code Code Prevent Recurrence 94-5 5/25/94 F 146 H 1 94409 EK 27 EDG 1 and EDG 2 declared inoperable due to insufficient LN relay testing.

I 1 F: Forced 2 Reason: 3 Method: 4 Exhibit G - Instructions for S; Scheduled A - Equipment Failure (Explain) 1 - Manual Preparation of Data Entry 8 - Maintenance or Test 2 - Manual Scram Sheets for Ucensee Event C - Refueling 3 - Automatic Scram Report (LER) File (NUREG4161)

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

H - Other (Explain)

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OPERATIONS NARRATIVE COOPER NUCLEAR STATION May 1994 Cooper Nuclear Station operated at 100 percent for the month of May with the following exceptions:

1. May 1 - Lowered power to perform Control Rod operability testing.

2. May 8 - Lowered power to perform Control Rod operability testing.

3. May 13 Lowered power for Control R.d operability testing, .l Turbine testing, RPS and Rod Block surveillance testing.

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4. May 25 - Manual shutdown to address Emergency Diesel Generator testing deficiencies.

A unit capacity factor of 78.0 percent (MDC Net) was attained for the month of May. l

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