ML20076F406

Monthly Operating Rept for Sept 1994 for Cooper Nuclear Station

ML20076F406
Person / Time
Site:	Cooper
Issue date:	09/30/1994
From:	Herron J, Wheeler S NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CNSS948729, NUDOCS 9410170142
Download: ML20076F406 (5)

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m COOPER NUCLE AR ?T ATK)N 4f P.o. BOX 96, BROWNVILLE, NEBRASKA 68321 i;

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CNSS948729 October 10, 1994 Document Control Desk U. S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

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

Gentlemen:

Enclosed for your information and use is the Cooper Nuclear Station Monthly Operating Status Report for September, 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 September.

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

Sincerely, N

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g J .) T . Herron J lant Manager JTH:SCW:djmc Enclosures cc: G. D. Watson L. J. Callan R. W. Watkins J. H. Mueller G. R. Horn R. E. Wilbur D. A. Whitman K. C. Walden D. D. Rieger R. J. Singer T. L. Bundy E. A. Lanning A. J. Hubl R. L. Gumm T. H. Black L. E. Bray INPO Records Center R. W. Beck and Associates ANI Library NRC Senior Resident Inspector E. J. Mroc7ka H. J. Green F. E. Yost O '

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9 OPERATING DATA REPORT DOCKET NO. 050-0298 UNIT CNS DATE October 10, 1994 OPERATING STATUS TELEPHONE (402) 825-5487

1. Unit Name: OcopeLNucleat_ Station Notes

3. Reporting Period: ReptembeL1994

3. Ucensed Thermal Power (MWt): 7181

4. Namepiste Rating (Gross MWe): R3A G. Design Electrical Rating (Not MWe): 77R

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 7700 6 ER1 O _122.57 R .O

13. Number of Hours Reactor Was Critical O O_ 3 Q28.4_ 133.190 7

13. Reactor Reserve Shutdown Hours _O.0_ O 0. O0

14. Hours Generator On-Line 0.Q. 3,033.0 131 779.3

15. Unit Reserve Shutdown Hours 0-Q. O.Q O0

16. Gross Thermal Energy Generated (MWH) 00 A9% 352.0_ 271 311 744.0_

17, Gross Electric Energy Generated (MWH) 0-Q. .2,296.447.0 88.113,345.0_

18. Not Electric Energy Generated (MWH) 0.0_ 7;777 7AQA 8EO9R,43BA

19. Unit Service Factor O.0. 46.3. 73 9

20. Unn Availability Factor 00 46.3. 73.9.

31. Unit Capacity Factor (Using MDC Net) OA 44.5. 67.7

33. Unit Capacity Factor (Using DER Net) O 0_ 43 7 81 R

23. Unit Forced Outage Rate 100.O_ E3 7 AE

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

Nona-

25. If Stut Down At End of Report Period. Estimated Date of Startup: _Undefinari

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

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.c AVERAGE DAILY UNIT POWER LEVEL l DOCKET NO. 050-0298 UNIT CNS DATE October 10. 1994 TELEPHONE (402) 825-5487 MONTH September 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 4 0 20 0 l

5 0 21 0 6 0 22 0 l 7 0 23 0 8 , 0 24 0 9 0 25 0 10 0 26 0 11 0 27 0 12 0 28 0 13 0 29 0 14 0 30 0 15 0 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.

UNIT SHUTDOWNS AND POWER REDUCTIONS .

DOCKET NO. _D50429R UNIT NAME _ Cooper _Nuclaar Mtation_

DATE _ October _10. 1994 -

COMPLETED BY _S. C. Wheelar TELEPHONE _t402LB25M87 REPORT MONTH _Augirst 1994 -

Method Of Licensee Cause & Corrective Duration Shutting Event S ystem* Component' Action to No. Date Type (Hours) Reason

• Down Reactor' 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 testino.

1 F: Forced 2 Reason: 3 Method: 4 Exhibit G - Instructions for S: Scheduled A - Equipment Failure (Explain) 1 - Manual Preparation of Data Entry B - Maintenance or Test 2 - Manual Scram Sheets for Licensee Event C - Refueling 3 - Automatic Screci Report (LER) File (NUREG-0161)

D - Regulatory Restriction 4 - Continued E - Operator Training & License Examination 5 - Reduced Load 5 Exhibit 1 - Same Source F - Administrative 6 - Other G - Operational Error (Explain)

H - Other (Explain)

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OPERATIONS NARRATIVE COOPER NUCLEAR STATION l

September 1994 Cooper Nuclear Station was shut down May 25 to address Emergency Diesel Generator testing deficiencies, and remained shut down for the entire month of September.

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

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