ML20212A700

Monthly Operating Rept for Sept 1997 for Nine Mile Point Nuclear Station,Unit 1

ML20212A700
Person / Time
Site:	Nine Mile Point
Issue date:	09/30/1997
From:	Abbott R, Coleman D NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NMP91460, NUDOCS 9710240186
Download: ML20212A700 (5)

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NIAGARA MOHAWK G E N E R ATIO N " " " " " " * " " " " " * * "

BUSINESS GROUP October 15, 1997 NMP91460 U.S. Nuclear Regulatory Cammission Attention: Document Control Desk Washington, D.C. 20555 RE: Nine Mile Point Nuclear Station Unit #1 Docket No. 50 220 DPR 63

Subject:

Operating Statistics and Shutdowns - September 1997 Gentlemen:

Submitted herewith is the Report of Operating Statistics, Unit Shutdowns and Power Reductions, and a Narrative of Operating Experience for September 1997 for the Nine Mile Point Nuclear Station Unit #1.

Very truly yours,

,tdNA- Y Richard B. Abbott Plant Manager - Unit One

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Enclosures -

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Y- }l II.J. Miller, Regional Administrator, Region 1 B.S. Norris, Senior Resident Inspector Dft k00!K050 20 k!!!,!{!,0llll$!jll(llhll

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. i OPERATING DATA REPORT DOCKET No. 50 220 DATE: 10/06/97 PREPARED BY: D. E. Coleman TELEPilONE: (315) 349 2558 OPIIRATING STATUS

1. Unit Name! Nine Mile Point Unit #1

2. Reporting Period: Septemiwr 1997 Notes

3. Licensed Thermal Power (MWt): 1650

4. Nameplate Rating (Gross MWe): 642

5. Design Electrical Rating (Net MWe): 613

6. Maximum Dependable Capacity (Gross MWe): 584

7. Maximum Dependable Capacity (Net MWe): 565

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. Reamms For Restrictions,if Any:

This Month Yr to Date Cumulative

11. Ilours in Reporting Period 720.0 6551.0 245,808.2

12. Number of Ilours Reactor Was Critical 348.0 4177.9 166,454.9

13. Reactor Reserve Shutdown llours 0 0 1,204.2

14. Ilours Generator On Line 346.3 4699.9 162,456.1

15. Unit Reserve Shutdown llours 0 0 20.4

16. Gross Thermal Energy Generated (MWil) 619,543.0 7,349,716.0 276,556,496.0 17; Gross Electrical Energy Generated (MWII) 203,621.0 2,460,576.0 92,039,032.0

18. Net Electrical Energy Generated (MWil) 197,639.0 2.393,312.0 89,254,866.0

19. Unit Service Factor 48,1 62.6 66.1-

20. Unit Availability Factor 48.1 62.6 66.1

21. Unit Capacity Factor (Using MDC Net) 48.6 64.7 60.2

22. Unit Capacity Factor (Using DER Net) 44.8 59.6 58.6 23, Unit Forced Outage Rate 51.9 17.0 22.2

24. Shutdowns Scheduled over Next 6 Months (Type. Date and Duration of Each):

25. If shutdown At End of Report Perkxi. Estimated Date of Startup: 12 25-97 l

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o OPERATING DATA REPORT DOCKET NO.t 90 2M DATE:10/6/97 PREPARED liY: D. E. Celesnaa TEl,EPilONE: (318) 349 2888 i

MONTil Septensber 1997 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER I.EVEL (Mwe Net) (Mwe Net)

! $89 17 0 1

2 $87 18 0 3 $89 19 0 4 $86 20 0-5 $58 21 0 6 448 22 0 7 577 23 0

. 8 548 24 0-9 $93 2$ 0 10 594 26 0 1I $98 27 0 12 $96 28 0 13 $93 29 0 14 $94 30 0 15 119 31 16 0 INSTRUCTIONS On this firmat, list de average daily unit power level in Mwe-Net for each day in the reporting month. Compute to the nearest whole megavratt.

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NIAGARA MollAWK POWER CORPORATION l NINE MILE POINT NUCLEAR STATION UNIT #1 NARRATIVE OF OPERATING EXPERIENCE The station operated during the month of September 1997 with a Unit Availability Factor of 48.1% and a Net Design Electrical Capacity Factor of 44.8%. There were no challenges to the Electromatic Relief Valves. Reductions in Capacity Factor were due to a 373.7 hour8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> ongoing forced outage. On September 15,1997 @ 1018 the unit was removed from the grid to make repairs to the Emergency Condenser (tube leaks). Other factors contributing to lost generation were control rod insertions on September 3,4 & 5,1997 for maintenance work arxl a control rod sequence exchange performed on September 6,1997.

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