ML20206R057

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

ML20206R057
Person / Time
Site:	Three Mile Island
Issue date:	04/30/1999
From:	Heysek W, Langenbach J GENERAL PUBLIC UTILITIES CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
1920-99-20257, NUDOCS 9905190292
Download: ML20206R057 (3)

Text

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GPU Nuclear,Inc.

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Route 441 South NUCLEAR

';'l"L*l*}",*,*,,_a Tel 717 944 7621 May 13,1999 1920-99-20257 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 Gentlemen:

Subject:

Three Mile Island ' Nuclear Station, Unit I (TMI-1)

Operating License No. DPR-50 Docket No. 50-289 Monthly Operating Report for April 1999 Enclosed are two copies of the April 1999 Monthly Operating Report for Three Mile Island Nuclear Station, Unit 1. The content and format ofinformation submitted in this report is in accordance with the guidance provided by Generic Letter 97-02.

/

Sincerely,

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8 3

James W. Langenbach Vice President and Director, TMI WGH I

cc: Administrator, Region 1 - Hubert J. Miller TM1 Senior Resident Inspector - Wayne L. Schmidt 99001

(,.,

3 9905190292 990430 PDR ADOCK 05000289 R

PDR

I APPENDIX A OPERATING DATA REPORT DOCKET NO. 50-289 O PLETEhB

.I SEK TELEPHONE (717) 948-8191 1

REPORTING PERIOD: April 1999 YEAR TO MONTH DATE CUMULATIVE I

1.

DESIGN ELECTRICAL RATING (MWe 819.0 NET).

The nominal net electrical output of the unit specified by the utility and used for the purpose of plant design.

2.

MAXIMUM DEPENDABLE CAPACITY 786.0 (MWeNET).

The gross electrical output as measured at the output tenninals of the turbine generator during the most restrictive seasonal conditions minus the normal station service loads.

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3.

NUMBER OF HOURS REACTOR WAS 719.0 2.879.0 137,350.7 CRITICAL.

The total number of hours during the gross hours of j

the reporting period that the reactor was critical.

I 4.

HOURS GENERATOR ON LINE.

719.0 2,879.0 136,148.0 (Service llours) The total number of hours during the gross hours of the reporting peri (xl that the unit operated with the breakers closed to the station bus.

The sum of the hours that the generator was on line plus the total outage hours in the reporting period.

5.

UNIT RESERVE SHUTDOWN HOURS.

0.0 0.0 0.0 The total number of hours during the gross hours of the reporting period that the unit was removed from service for economic or similar reasons but was available for operation.

6.

NET ELECTRICAL ENERGY (MWH).

588,218.0 2,359,783.0 106,481,419.0 The gross electrical output of the unit measured at the output terminals of the turbine generator minus the normal station service loads during the gross hours of the reporting period, expressed in megawatt hours. Negative quantities should not be used.

• Design values have no " Year to Date" or " Cumulative" significance.

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