ML20079F707

Monthly Operating Rept for Sept 1991 for Cooper Nuclear Station

ML20079F707
Person / Time
Site:	Cooper
Issue date:	09/30/1991
From:	Kernes E, Meacham J NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
CNSS918836, NUDOCS 9110080249
Download: ML20079F707 (5)

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CoOPLH NUCLE AR ST AYlON

• P.O. 00* 98, BROWNVLLE. NCBRASKA 68321

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w.. =.=gggawagm www gxm:n.gmgag,n CNSS918836 October 1, 1991 Doctunent Control Desk U. S. Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Monthly Operating Status Report for September 1991, Docket No. 50 298.

Gentlemen:

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

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

Sincerely, 4ad/ Mw 1 '( , Meacham Division Manager of Nuclear Operations JtiM:EAK: kap Enclosures cc: G. D. Watson w/anclosures R. D. Martin w/ enclosures l

V11003024y y1gy39 PDR ADOCK 05000298 R PDR -

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4- OPERATING DATA REPORT DOCKET No. 050 0298

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UNIT CNS DATE pg.tober 1. 1991 pPERATING STATUS TELEPil0NE (402) 825-5766 1, - Unit Name: CQQpg{ f elear Station Notes

?, Reporting Period: Srpigph0LjD91

3. Ucensed Thermal Power (MWt): 2381

4. Nameplate Rating (Gross MWe): 000 S. Design Electrical Rating (Not MWe): 778

6. Maximuml, gndable Capacity (Gross MWe): 787 7, = Maximum Dependall: Capacity (Not MWe): 764

8. If Cha$ges Ct1ur in Capsetty Ratings (Items Number 3 Through 7) Since Last Report. Olve Reason &:

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9. Power Level To which Restricted,if Ag (Net MWc):

10, Reasons For Restriction,lf Any; _

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!' This Month Yr.-to-Data Cumutative l

l 11. Hours in Reporting Period 720 0 6.551 0 151.224.0

12. N amber of Hours Reactor Was Critical 720 0 6.420.6 , 116.022.1

13. Reactor Reserve Shutdown Hours 00 0.0 0.0

14. Hours Generator On-Une 720 0 6.300.7 114.331.7 15 Unit Reserve Shutdown Hours _ 0.0 0,0 0.0

15. Gross Thermal Energy Genarated (MWH) 1.313228A 14.19E 100.0 232.790.524 0 E 17.. Gross Electric Energy Generated (MWH) 433.825 0 4.709.7S7.0 75.319.167.0 18, Net Electric Energy Generated (MWH) 417.970.0 4.561.180 0 .,Z2.687.760.C.

- 19. Unit Service Factor 100.0 97.6 75 6 20 Unit AvaltabilityFactor 100.0 ,_. 97.6 75.6 at, Unit Capacity Factor (Using MDC Net) 76 0 91.1 62,9

83. Unit Capacity Factor (Using DER Net) 74 6 89 5 61.8

23. Unit Forced Outage Rate 0.0 00 4L

24. Shutdown Scheduled Os*r Next 6 Months (Type. Date, and Datation of Each):

Rehielina and Maintenq0ce Outaae 14. scheduled Octooer 41991,8 week duration.

35, - If Shut Down At End of Report Period, Estimated Date of Startup: N/A

26. Units in Test Status (Prior to CommercialOperation): Forecast Achieved r

INITIAL CRITICALITY INITIAL ELECTRICITY

!. COMMERCIAL OPEHATON I-

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AVERAGE-DAILY UNIT POWER LEVEL-DOCKET No. 050-0298 UNIT _ CNS ..

DATE. ,, Qgipher 1. 1991 ,

TELEPHONE _ lfp2) 82S-5766 MONTH- Seotember 1991 DAY- AVERAGE-DAILY POWEk LEVEL DAY AVERAGE DAILY' POWER LEVEL

_ -(MWe-Met) (MWe-Net)

I 1 604 17 579 3- 601 18 577 k 3 598 19 579 ,

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4 597 _. 20 579

,.- 'S 598 21- 577 L

6 _ 599- - 22 575

7. 596 23 571 ,

o 8 594- 24 569 ,

L 9- 589 25 566 .

10 585 26 564 o . 11: 581~ 27 562 l

1; -la 581  ; =__, 28- . , 560-

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l13' . __ 583 29 557-

-14 ; 582- 30 553 15- 582 31 p'

l .16 - 580 INSTRUCTIONS r.. -

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

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b CitTSHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 050-0298 UNIT NAME Cooper Nuclear Station DATE October 1.1991 .

COMPLETED BY E. A. Kemes -

TELEPHONE (4021825-5766

• REPORT MONTH September 1991 -

Method Of Ucensee Cauw& Cornx: tree 5 Actien to Duration Shutting Event System

• Cocoonent

' Down Reactor 3 Fieped Code Code Prevent Rectmence No. Date Type' (Hours) Reasu #

NOi4E

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Reason: 3 MetNM: 4 Exhbt G - Instructmsfor l 1 F: ForcM 2 Preparation of Data Entry A - Equipment Failure (Em!ain) 1 - Manual l S: Scheduled 2 - ManualScram Sheets for Ucensee Event l B - Maintenance or Test C- Refue6ng 3 Automa*k Scam Report (LER) F3e (NUREG4161) l D - Regulatory Rest,h 4 - Continued E - Operator Training & Ucense Examination 5 - Reduced Load 5 ExhibitI- Sarne Source l F - Adrrsinistrative 6 - Othn G - OperatW Error (Emlain)

H - Other (Emlain) i F

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OPE ATIONS NARRATIVE COOPER NUCLEAR STATION SEPTEMBER 1991 MAXIMUM AVAILABLE POWER OPERATION WAS EXPERIENCED FOR THE MONTH OF SEPTEMBER AS THE END-0F-CYCLE 14 C0ASTDOWN CONTINUED, A CAiACITY FACTOR OF 76.0% WAS ACHIEVED FOR THE MONTH 0F SEPTEMBER.

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