ML17058A806

Monthly Operating Rept for May 1991 for Nine Mile Point Nuclear Station Unit 1

ML17058A806
Person / Time
Site:	Nine Mile Point
Issue date:	05/31/1991
From:	Coleman D NIAGARA MOHAWK POWER CORP.
To:
Shared Package
ML17058A805	List: ML17058A804 ML17058A806 ML18038A354
References
NUDOCS 9106190225
Download: ML17058A806 (6)

Text

OPERATING DATA REPORT DOCKET NO.: 50-220 DATE: 6/13/91 PREPARED BY: D. E. Coleman TELEPHONE: (315) 349-2558 OPERATING STATUS

l. Unit Name: Nine Mile Point Unit 8'1

2. Reporting Period: 5/1/91 through 5/31/91 Notes

3. Licensed Thermal Power (MWt): 1850

4. Nameplate Rating (Gross MWe): 642

5. Design Electrical Rating (Net MWe): 625

6. Maximum Dependable Capacity (Gross MWe): 635

7. Maximum Dependable Capacity (Net MWe): 615

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

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

10. Reasons For Restrictions, IfAny:

This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 744.0 3,623.0 190,272.2

12. Number of Hours Reactor Was Critical 744.0 2,508.0 121,108.1

13. Reactor Reserve Shutdown Hours 0.0 0.0 1,204.2

14. Hours Generator On-Line 712,9 2,444.3 117,606.8

15. Unit Reserve Shutdown Hours 0.0 0.0 20.4

16. Gross Thermal Energy Generated (MWH) 1,249,340.0 4,224,970.0 196,767,648.0

17. Gross Electrical Energy Generated (MWH) 422,760.0 1,446,677.0 65,249,594.0

18. Net Electrical Energy Generated (MWH) 410,021.0 1,402,842.0 63,208,682.0

19. Unit Service Factor 95.8 67.5 61.8

20. Unit Availability Factor 95,8 67.5 61.8

21. Unit Capacity Factor (Using MDC Net) 89.6 63.0 54.4

22. Unit Capacity Factor (Using DER Net) 88,2 62,0 53.6

23. Unit Forced Outage Rate 0,0 7.9 25.5

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

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

26. Unit is Test Status (Prior to Commercial Operation): Forecast Achieved INITIALCRITICALITY INITIALELECTRICITY COMMERCIAL OPERATION 9i06190225 9i0*11 PDR ADOCK 05000220 ~(

R PDR

lg OPERATING DATA REPORT DOCKET NO.: 50-220 DATE: 6/13/91 PREPARED BY: D. E. Coleman TELEPHONE: (315) 349-2558 MONTH May 1991 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL (MWe-Net) (MWe-Net) 1 604 17 603 2 605 18 604 3 601 19 605 4 604 20 605 5 605 21 604 6 606 22 601 7 608 23 603 8 606 599 9 607 25 598 10 603 26 603 11 605 27 604 12 604 28 599 13 605 29 93 14 249 30 92 15 437 31 549 16 572 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each day in the reporting month.

Compute to the nearest whole megawatt.

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO: 50-220 UNIT NAME: NMPPl DATE: 6/13/9j REPORT MONTH - May 1991 PREPARED BY: D. E. Col&man TELEPHONE: (315) 349-2558 of & Corrective Date Type'uration (Hours)

Reason'ethod Down Reactor'icensee Shutting Event Report S System Code'ause Code'omponent Action to Prevent Recurri e No.

910514 Thc unit was reduced to 25% Cfp to perform a Turbine Torsional Test. The Test was aborted duc to Pl 1 Turbine Aux Oil Pump failure.

910529 S 31.1 The unit was taken off line for a rescheduled Tu*inc Torsional Test. 'Ihc reactor remained critical.

F: Forced Reason: Method: Exhibit G - Instructions Exhibit 1@arne Source S: Schcdulcd A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Shccts for Liccnsce C-Rcfu cling 3-Automatic Scram Event Report (LER) File (NUREG-0161)

D-Regulatory Restriction 4-Other (Explain)

E-Operator Training &, License Exam F-Administrative Gyrational Error (Explain)

H~cr (Explain)