ML17058A806

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Monthly Operating Rept for May 1991 for Nine Mile Point Nuclear Station Unit 1
ML17058A806
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 05/31/1991
From: Coleman D
NIAGARA MOHAWK POWER CORP.
To:
Shared Package
ML17058A805 List:
References
NUDOCS 9106190225
Download: ML17058A806 (6)


Text

OPERATING STATUS OPERATING DATAREPORT DOCKET NO.: 50-220 DATE: 6/13/91 PREPARED BY: D. E. Coleman TELEPHONE:

(315) 349-2558

l. Unit Name:

Nine Mile Point Unit 8'1

2. Reporting Period:

5/1/91 through 5/31/91

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

Notes

9. Power Level To Which Restricted, IfAny (Net MWe):
10. Reasons For Restrictions, IfAny:

This Month Yr-to-Date Cumulative

11. Hours in Reporting Period
12. Number ofHours Reactor Was Critical
13. Reactor Reserve Shutdown Hours
14. Hours Generator On-Line
15. Unit Reserve Shutdown Hours
16. Gross Thermal Energy Generated (MWH)
17. Gross Electrical Energy Generated (MWH)
18. Net Electrical Energy Generated (MWH)
19. Unit Service Factor
20. Unit AvailabilityFactor
21. Unit Capacity Factor (Using MDC Net)
22. Unit Capacity Factor (Using DER Net)
23. Unit Forced Outage Rate
24. Shutdowns Scheduled Over Next 6 Months (Type, 3,623.0 2,508.0 0.0 2,444.3 0.0 4,224,970.0 1,446,677.0 1,402,842.0 67.5 67.5 63.0 62,0 7.9 744.0 744.0 0.0 712,9 0.0 1,249,340.0 422,760.0 410,021.0 95.8 95,8 89.6 88,2 0,0 Date and Duration of Each):

190,272.2 121,108.1 1,204.2 117,606.8 20.4 196,767,648.0 65,249,594.0 63,208,682.0 61.8 61.8 54.4 53.6 25.5

25. IfShut Down At End of Report Period, Estimated Date of Startup:
26. Unit is Test Status (Prior to Commercial Operation):

Forecast Achieved INITIALCRITICALITY INITIALELECTRICITY COMMERCIALOPERATION 9i06190225 9i0*11

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OPERATING DATAREPORT DOCKET NO.:

50-220 DATE: 6/13/91 PREPARED BY: D. E. Coleman TELEPHONE:

(315) 349-2558 MONTH May 1991 DAY AVERAGE DAILYPOWER LEVEL (MWe-Net)

DAY AVERAGE DAILYPOWER LEVEL (MWe-Net) 1 2

3 4

5 6

7 8

9 10 11 12 13 14 15 16 604 605 601 604 605 606 608 606 607 603 605 604 605 249 437 572 17 18 19 20 21 22 23 25 26 27 28 29 30 31 603 604 605 605 604 601 603 599 598 603 604 599 93 92 549 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 REPORT MONTH - May 1991 DOCKET NO: 50-220 UNIT NAME: NMPPl DATE: 6/13/9j PREPARED BY: D. E. Col&man TELEPHONE:

(315) 349-2558 No.

Date Type'uration (Hours)

Reason'ethod of Shutting Down Reactor'icensee Event Report S System Code'omponent Code'ause

&Corrective Action to Prevent Recurri e 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 offline for a rescheduled Tu*incTorsional Test. 'Ihc reactor remained critical.

F: Forced S:

Schcdulcd Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Rcfucling D-Regulatory Restriction E-Operator Training &, License Exam F-Administrative Gyrational Error (Explain)

H~cr (Explain)

Method:

1-Manual 2-Manual Scram 3-Automatic Scram 4-Other (Explain)

Exhibit G - Instructions for Preparation of Data Entry Shccts for Liccnsce Event Report (LER) File (NUREG-0161)

Exhibit 1@arne Source