ML20206Q274

Monthly Operating Rept for Dec 1998 for Pilgrim Nuclear Power Station.With

ML20206Q274
Person / Time
Site:	Pilgrim
Issue date:	12/31/1998
From:	Alexander J, Cannon R BOSTON EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BECO-2.99.002, NUDOCS 9901140120
Download: ML20206Q274 (4)

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O Boston Edieon Pilgrim Nuclear Power Station i

Rocky Hill Road Tech. Spec. 5.6.4 Plymouth, Massachusetts 02360-5599 i

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Januar 12, 1999 BECo Ltr. 2.99.002 J.F. Alexander Nuclear Assessment Group Manager U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 Docket No. 50.293 License No. DPR-35

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l December 1998 Monthly Operatina Report in accordance with Pilgrim Nuclear Power Station Technical Specification 5.6.4, the operational status summary for Pilgrim Nuclear Power Station is provided in the attachment for your information and planning. Should you have questions or comments conceming this report, please contact Robert Cannon at (508) 830-8321.

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Attachment:

December 1998 Monthly Operating Report i

9901140120 981231 i

ADOCK05000293]A PDR R

PDR l

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cc: Mr. Hubert Millsr Rrgional Administrctor, Rtgion I

' U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Senior Resident inspector l

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l Att chm:nt OPERATING DATA REPORT DOCKET NO, 50-293 I

NAME:

Pilorim COMPLETED BY:

R.L. Cannon j

TELEPHONE:

(508) 830-8321 1

REPORT MONTH:

December 1998 OPERATING STATUS NOTES i

1. Unit Name Pilgrim 1

2. R: porting Period December 1998

3. Licensed Thermal Power (MWt) 1998

4. Nameplate Rating (Gross MWe) 678

5. D: sign Electrical Rating (Net MWe) 655

6. Mr.ximum Dependable Capacity (Gross MWe) 696

7. Mrximum Dependable Capacity (Net MWe) 670

8. If Changes Occur in Capacity Ratings (item Numbers 3 through 7) Since Last Report, Give Reasons:

No Chanaes

9. Power Level To Which Restricted, If Any (Net MWe):

None

10. R:asons For Restrictions, if Any:

N/A THIS MONTH YR-TO-DATE CUMULATIVE

11. Hours in Reporting Period 744.0 8760.0 228456.0

12. Hours Reactor Critical 744.0 8760.0 150474.9-

13. Hours Reactor Reserve Shutdown 0.0 0.0 0.0

14. Hours Generator On-Line 744.0 8760.0 145771.5

15. Hours Unit Reserve Shutdown 0.0 0.0 0.0

16. Gross Therrnal Energy Generated (MWH) 1468731.0 17110992.0 262722432.0

17. Gross Electrical Energy Generated (MWH) 508110.0 5915260.0 89204744.0

18. N:t Electrical Energy Generated (MWH) 489341.0 5698414.0 85776808.0

19. Unit Service Factor 100.0 100.0 63.8

20. Unit Availability Factor 100.0 100.0 63.8

21. Unit Capacity Factor (Using MDC Net) 98.2 97.1 56.0

22. Unit Capacity Factor (Using DER Net) 100.4 99.3 57.3

23. Unit Forced Outage Rate 0.0 0.0 10.9

24. Shutdowns, Scheduled Over Next 6 Months Refueling Outage No.12. Commencing (Type, Date, and Duration of Each)

April 28,1999. Scheduled duration 35 days.

25. If Shutdown At End Of Report Period, UNIT OPERATING

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Estimated Date of Startup l

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r DOCKET NO.

50-293 NAME:

Pilorim COMPLETED BY:

R.L. Cannon TELEPHONE:

(508)830-8321 REPORT MONTH:

December 1998 OPERATION

SUMMARY

The plant entered December at 100 percent Core Thermal Power (CTP) where it was essentially maintained at 100% CTP until 0003 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> on D:cember 3,1998 when power was reduced to approximately 70% CTP for SCRAM time testing and Rod Pattern Change. Reactor power was r;tumed to 100% CTP at 0302 hours0.0035 days <br />0.0839 hours <br />4.993386e-4 weeks <br />1.14911e-4 months <br /> on December 4,1998, where it was essentially maintained for the remainder of the reporting period. No challenges to safety relief valves occurred during the reporting period UNIT SHUTDOWNS METHOD OF CAUSE/ CORRECTIVE ACTION / COMMENTS TYPE DURATION REASON SHUTTING DOWN NO.

DATE (HOURS)

REACTOR 1

2 3

No unit shutdowns occurred during this reporting period.

3 1

2 3

F - Forced A - Equip Failure 1 - Manual S - Scheduled B - Main or Test 2 - Manual Scram C - Refueling 3-Auto Scram D - Regulatory Restriction 4 - Continuation E - Operator Training &

5 - Other License Examination F - Admin L

G - Operation Error I

H - Other L

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