ML20211A498

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Monthly Operating Rept for Aug 1997 for Nine Mile Point Nuclear Station Unit 1
ML20211A498
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 08/31/1997
From: Abbott R, Coleman D
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NMP91459, NUDOCS 9709240279
Download: ML20211A498 (5)


Text

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NIAGARA MOHAWK GENERATION BUSINESS GROUP Septemt>er 15, 1997 NMP91459 U.S. Nuclear Regulatory Commission 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 August 1997 Gentlemen:

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

Very truly yours, J bCm 51

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Richard B. Abbott Plant Manager - Unit One

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li.J. Miller, Regional Administrator, Region 1

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B.S. Norris, Senior Resident Impector 9709240279 970031 PDR ADOCK 05000220 R

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l OPERATING DATA REPORT IX)CKET No.: 50 220 DATE: 9/09/97 PREPARED llY: D. E. Coleman TELEP110NE: (315) 349-2558 OligAERG STATUS

1. Unit Name: Nine Mile Point Unk #1
2. F.eporting Period: August 1997 Notes
3. Licensed ' thermal Power (MWI):

1850

4. Nameplate Rating (Gross MWe):

642

5. Design Electrical Rating (Net MWe):

613

6. Ma Imum Dependable Capacity (Gross MWe):

$84

7. Maximum Dependable capacity (Net MWe):

$65

8. If Changes Occur in Capacity Ratings (ltems Number 3 through 7) 51nce Last Report Olve Reasons:
9. Powet Level To Which Restricted, if Any (Net MWe):
10. Reasons For Restrictium,If Any:

This Month Yr to-Date Cumulative

11. thiurs in Reporting Perkid 744.0 5831.0 245.088.2 12, Number of Ilours P.cactor Was critical 744.0 3829.9 166,106.9 13, Reactor Reserve Shutdown llours 0

0 1,204.2

14. Ilours Generator On l.ine 744.0 3753.6 162.109.8
15. Unit Reserve Shutdown llours 0

0 20.4

16. Gross Thermal Energy Generated (MWil)

I,363,445.0 6,730,173.0 275,936,953.0

17. Orms Electrical Energy Ocnerated (MWil) 446,802.0 2,256,955.0 91.835,411.0
18. Net Electrical Energy Generated (MWil) 434,4N9.0 2,195,673.0 89,057,227.0
19. Unit Service l' actor 100.0 64.4 66.1
20. Unit Availability Factor 100.0 64.4 66.2
21. Unit Capacity Factor (Using MDC Net) 103.4 66.6 60.2 22, Unit Capacity Factor (Using DER Net) 95.3 61.4 58.7
23. Unit Forced Outage Rate 0.0 11.0 22.1

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

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

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t NIAGARA MOlf AWK POWER CORPORATION NINE MILE POINT NUCLEAR STATION UNIT #1 NARRATIVE OF OPERATING EXPERIENCE

'Ihe statkin operated during the month of August 1997 with a Unit Availability Factor of 100.0%

and a Net Design Electrical Capacity Factor of 95.3%. There were no challenges to the.

Electromatic Relief Valves. Reductions in Capacity Factor were caused by isolation of #115

.. Feedwater lleater to repair level transmitter. Other reductions in capacity factor included a

downpower to adjust the control rod pattern to maintain thermal limits in specification and ek vated lake temperatures which reduces plant efficiency.

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OPERA 11NG DATA REPCDT DOCKET No.: M-2D DATE: 9/#9/97 PREPARED liY: D.E.Cokunan

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TELEP110NE: (315),149 25M MONTil August 1997 DAY AVERAGB DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (Mwe Net)

(Mwe Net) 1 590 17 585 2

592 18 SM 3

M9 19 587 4

525 20 SM 493 21 601

-6 M9 22 598 7

599 23 SN

'8 M7 24 592 9

SM 25 592

-10 587 26 592 II

$85 27

$90 12 587 28 589 13 588 29 590 14 587 30 589 15 588 31 589 16 568 INSTRUCTIONS On this format, list the average daily unit power level in Mwe Net for each day in the reporting anonth, Compute to the nearest whole inegawatt.

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