ML20077A514

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Monthly Operating Rept for Apr 1991 for Cooper Nuclear Station
ML20077A514
Person / Time
Site: Cooper Entergy icon.png
Issue date: 04/30/1991
From: Krautblatt B, Meacham J
NEBRASKA PUBLIC POWER DISTRICT
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CNSS918651, NUDOCS 9105100206
Download: ML20077A514 (6)
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CNSS918651 May 2, 1991 bacument Contrel Desk U. S. Nuclear Regulatory Commission Washington, D.C. 20555 Subj ect: Monthly Operating Status Report for April 1991, Docket No. 50 298.

Gentlemen:

Enclosed for your information and use is the Cooper Nuclear Station Monthly Operating Status Report for April 1991. The report includes Operating Status, Average Daily Unit Power Level, Unit Shutdown Data, revision to the March Operating Data is included, and a Narrative Summary of Operating Experience.

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

Sincerely, e<d

. M. Meacham Division Manager of Nuclear Operations JMM:BJK: kap Enclosures cc: G. D. Watson w/ enclosures R. D. Martin w/ enclosures l

l 9105100206 910430 /N' Qh PDR ADOCK v5000298 '

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OPERATING DATA REPORT DOCKET NO. .050 0298

. UNIT CNS DATE _Anril 1. 1991 OPERATING STATUS TELEP110NE (402) 825-5396

1. Unit Name: CooDer Nuclear Station Notes -

8 . Reporting Period: March 1991

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

' 5. Design Electrical Rating (Net MWe): 778

6. Maximum Dependable Capacity (Gross MWe): 787

. F. Maximum Dependable Capacity (Not MWe): 764 ,

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

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g. Power Level To Which Restricted, if Any (Net MWe):

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10. . Reasons For Restriction,if Any

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This Month Yr. to Date Cumulative i i

11. Hours in Reporting Period 744.0 2.160 0 146.833.0 '

18 Number of Hours Reactor Was Critical 644.2 2.060.2 111.661.7 l- 13. Reactor Reserve Shutdewn Hours 0.0 0.0 0.0

14. Hours Generator On.Unw 622.2 2.038.2 109.979.2 13.- Unit Reserve Shutdown Hours 0.0 0.0 0.0
16. . Gross Therraal Energy Generated (MWH) 1.392.288.0 4.732.320.0 123.324.444.0

_17. Gross Electric Energy Generated (MWH) 467.327.0' 1.587.325 0 72.196.735.0

18. Net Electric Energy Generated (MWH) 452.755.0 1.536.594.0 69.663.174.0
10. . Unit Service Factor 83.6 94,4 74.9
20. ' ' Unit Availability Factor 83.6 94.4 74,9
81. Unit Capacity Factor (Using MDC Net) 79.7 93.1 62.1 i 22. Unit Capacity Factor (Using DER Net) 78.2 91.4 61.0 1
j. 23 Unit Forced Outage Rate 0.0 0.0 , 4.7 l 84. = Shutdown Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

'Nono

35. If Shut Down At End of Report Period, Est! mated Date of Startup: N/A
26. Units in Test Status (Prior to Commercial Operation): Forecast A::hieved INITIAL CRITICAIJTY INITIAL ELECTRICITY COMMERCIAL OPERATION

OPERATING DATA REPORT i D00KET No. 050 0298

! . UNIT CNS L DATE May 2. 1991 OPERATING STATUS TELEPHONE (4D2) 825 5396

1. Unit Name: Coooer Nuclear Station Notes B. Reporting Period: ADril 1991
3. Ucensed Thermal Power (MWt): 2381 4, Nameplate Rating (Gross MWe): 836 3 Design Electrical Rating (Not MWe): 778 6 Maximum Dependable Capacity (Gross MWe): 787
7. Maximum Dapendable Capacity (Net MWe): 764
8. If Changes Occur in Capacity Ratings (Items Nutr.ber 3 Through 7) Since Last Report, Give Reasons:
g. Power Level To Which Restricted, if Any (Net MWe):

"). Reasons For Restriction,if Any-This Month Yr. to Date Cumulative

. 1 1. Hours in Reporting Period 719 Q,, 2.879.0 147.552,0

12. Number of Hours Reactor Was Critical 719 0 2.779.2 112.380.7
13. Reactor Reserve Shutdown Hours 00 00- 0.0
14. Hours Generator On-Une 719.0 2.757.2 110.698.2
15. Unit Reserve Shut < town Hours 0.0 0.0 0.0
16. Gross Thermi. Mergy Generated (MWH) 1.694.616.0 0.426.936.0 225.019.060.0
17. Gross Electric Energy Generated (MWH) 566.065.0 - 2.153.390.0 72.762.800 0
18. Net Electric Energy Generated (MWH) 549.215.0 2.085.809.0 70.212.389.0
19. Unit Service Factor 100.0 95 4_, 75.0
20. Unit Availability Factor 100.0 95.8 75.0 al. Unit Capacity Factor (Using MDC Net) 100,0 94.8 62.3
22. Unit Capacity Factor (Using DER Net) 98.2 93.1 61.2
23. Unit Forced Outage Rate 0.0 0.0 4.7
84. Shutdown Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

Refuelina and Maintenance Oytaoe 14. scheduled October 1991. 8 Week duration

25. If Shut Down At End of Report Period, Estimated Date of Startup: N/A
86. Units In Test Status (Prior to Commercial Operation): Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 050-0298 UNIT CNS DATE May 2, 1991 TELEPHONE (402) 825-5316 MONTH Acril 1991__

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 772 17 770 2 772 18 771 3 770 19 768 4 768 20 761 5 770 21 630 6 770 22 728 7 732 23 772 8 769 24 771 9 768 25 773 10 768 26 773 11 770 27 772 12 773 28 767 13 772 29 771 14 767 30 772 _

15 772 31 16 772 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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- OPERATIONS NARRATIVE COOPER NUCLEAR STATION APRIL 1991 NORMAL POWER OPERATION WAS EXPERIENCED DURING THE MONTH OF APRIL. A CAPACITY FACTOR OF 100.0% WAS ACHIEVED FOR THE MONTH.

UNITSHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 050-0298 -

UNIT NAME Coope- Nuclear Station DATE May 2.1991 ,

COMPLETED BY B.J. Krautblatt ', !

j TELEPHONE (4021825-5396 REPORT MONTH April 1991 MMhod Of h Cause & Ceee Durators Snutting Evert System

  • Cv.w m.? Action to No. Date Type' fHours) Reason 2 Down Reector 3 Reoort Code Code Rwent Rm None l

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1 F: Forced 2 Reesorr 3 Method- 4 Ext *it G - Instruchonsfor S: Scheduled A- Equipment Fabre (Emiain) 1 - Manual Prepaes*.kwi of Data Entry B - Maintenance or Test 2- ManualScram Sheets for Licensee Event C- Re+seGng 3 - AutomaticScram Report (LER) File (NUREG016t)

D - Regulatory Restncbon 4 - Con *anued E - Operator Tranng & License 6 et-. 5 - Feduced Load 5 Exhibit 1 - Same Source F - AG.J .;A.Le 6 - Other G- OperatonalEnor(Explain)

H-O:Ser (Entab) l i

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