ML20196L230

Monthly Operating Rept for Apr 1999 for Nmp,Unit 1.With

ML20196L230
Person / Time
Site:	Nine Mile Point
Issue date:	04/30/1999
From:	Close R, Rich Smith NIAGARA MOHAWK POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NMP91489, NUDOCS 9905270247
Download: ML20196L230 (4)

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l U.S. Nuclear Regulatory Commission Attention: Document Control Desk i Washington, D.C. 20555 RE: Nine Mile Point Unit 1 Docket No. 50-220 DPR-63

Subject:

Monthly Operating Report for April 1999 Gentlemen:

Submitted herewith is the Operating Data Report, Unit Shutdowns and Power l Reductions, and a Narrative of Operating Experience for April 1999 for the Nine Mile Point Nuclear Station Unit #1. Submittal of this information complies with Section 6.9.1,c of the Unit #1 Technical Specifications.

Very truly yours, Robert G. Smith Plant Manager - Unit 1

/lh Attachments pc: H.J. Miller, Regional Administrator, Region 1 l G.K. Hunegs, Senior Resident inspector i Records Management

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ATTACHMENT A OPERATING DATA REPORT j i

DOCKET NO.: 50-210 i DATE: 05/07/99 )

PREPARED BY: R.S. CLOSE TELEPHONE:(315) 349-1282  ;

OPERATING STATUS Unit Name: Nine Mile Point Unit #1 Reporting Period: APRIL 1999

-1. Design Electrical Rating:(Net Mwe) 613

2. Maximum Dependable Capacity (Net Mwe) . 565 i

This Month Yr-to-Date Cumulative

3. Critical flours 257.1 2417.1 177,528.7  ;

4. liours Generator On-Line 252.8 2412.8 173,476.9 l S. Unit Resen'e Shutdown flours 0 0 20.4

6. Net Electrical Energy Generated (MWH) 151,834 1,476,963 95,883,070 l

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SUMMARY

OF OPERATING EXPERIENCES I

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The unit operated during the month of April 1999 with a Net Design Electrical Capacity Factor l of 34.4%. On April 11,1999 @ 1347 hours0.0156 days <br />0.374 hours <br />0.00223 weeks <br />5.125335e-4 months <br /> the unit was removed from the grid with all rods in

@ 2143 hours0.0248 days <br />0.595 hours <br />0.00354 weeks <br />8.154115e-4 months <br />. This commenced the start of #15 Refuel Outage. There were no challenges to the Electromatic Relief Valves or Safety Valves during plant operations.

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