ML20199E467

Monthly Operating Rept for Dec 1998 for Oyster Creek Nuclear Generating Station.With

ML20199E467
Person / Time
Site:	Oyster Creek
Issue date:	12/31/1998
From:	Egan D, Roche M GENERAL PUBLIC UTILITIES CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
1940-99-20008, GL-97-02, GL-97-2, NUDOCS 9901200430
Download: ML20199E467 (3)

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l GPU Nuclear,Inc.

l ( U S. Route #9 South I NUCLEAR Post Office Box 388 Forked River, NJ 08731-0388 Tel 609-971-4000 January 12, 1999 ,

1940-99-20008 l l

U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555

SUBJECT:

Oyster Creek Nuclear Generating Station Docket No. 50-219 Monthly Operating Report - December,1998 l

Enclosed are two copies of the December,1998, Monthly Operating Report for Oyster Creek Nuclear Station. The content and format ofinformation submitted in this report is in accordance with the guidance provided by Generic Letter 97-02.

Ifyou should have any questions, please contact Ms. Brenda DeMerchant, Oyster Creek Regulatory Affairs Engineer, at 609-971-4642.

Very truly yours,  ;

i 9901200430 981231 Michael B. Roche PDR ADOCK 05000219 R PDR Vice President & Director Oyster Creek MBR/BDeM/gl 1 Enclosures 7 ( g

[ cc: Administrator, Region I(2 copies) l - NRC Project Manager i NRC Sr. Resident inspector l

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's APPENDIX A Operating Data Report Docket No: 50-219 Date: 1/7/99 i Completed By: David M. Egan Telephone: (609)971- 4818 l

Reporting Period: December 1998 YEAR TO 1 MONTH DATE CUMULATIVE l

1. DESIGN ELECTRICAL RATING (MWe NET).

The nominal net electrical output of the unit s[weified by the utility and used for the purpose of plant design. 650 * *

2. MAXIMUM DEPENDABLE CAPACITY (MWe NET).  ;

The gross electrical output as measured at the output tendnals of l the turbine generator during the most restrictive seasonal 619 *

• conditions minus the normal station senice loads.

3. NUMBER OF HOURS REACTOR WAS CRITICAL.

The total numtw of hours during the gross hours of the reporting 1 period that the reactor was critical. 744.0 7217.8 177,060.0

4. HOURS GENERAER ON LINE.

(Service ilours) 7he total number of hours during the gross hours 744.0 6094.9 173,178.0 of the reporting period 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 relmrting period.

5. UNIT RESERVE SHUTDOWN HOURS.

The total number of hours during the gross hours of the repcuting 0 0 918.2 period that the unit was removed from senice for economic or similar reasons but was available for operation.

6. NET ELECTRICAL ENERGY (MWH).

The gross electrical output of the unit measured at the output 468,254 4,302,234 97,584,083 terminals of the turbine generator minus the normal station service loads during the gross hours of the reporting period, expressed in magawatt hours. Negative quantities should not be used

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

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.. i Appendix B [

t Unit Shutdowns [

Docket No: 50-219 l p Date: 1/7/99 i r Completed By: David M. Egan i Telephone: (609)971- 4818 [

Reporting Period: December 1998  ;

No. Date Typc* Duration Reason' Method of Cause & Corrective Action to (llours) Shutting Down Prevent Recurrence 2

Reactor 10 12/4/98 F 0 A 1 Power reduction to access C high pressure feedwater heater manway leak.

Power nunually reduced to approxinutely 70%  ;

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I 2 F Forced Reason: Method: 1 S Scheduled A-Equipment Failure (Explain) 1-Manual .

f l B-Klaintenance or Test 2-hlanual Scram C-Refueling 3-Automatic Scram D-Regul. story Restriction ' 4-Other (Explain)

• E. Operator Training & Licensing Examination F-Administrative >

G-Operational Error (Explain)

Il4Mher (Explain) -

Summary: In December, Oyster Creek generated 468,254 net MWH electric, which was 101.7% ofits MDC rating.

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