ML20107G340

Monthly Operating Rept for Jan 1985

ML20107G340
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	01/31/1985
From:	Burger F, Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:
References
VYV-85-073, VYV-85-73, NUDOCS 8502260387
Download: ML20107G340 (7)

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4 VERMONT YAPKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 85-01 FOR THE MONTH OF JANUARY,1985 8502260387 850131 PDR ADOCK 05000271 R

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OPERATING DATA REPORT Docket No. 50-271 Date 850209 Compl'eted by F.J. Buraer Telephone (802; 257-7711 OPERATING STATUS Notese 1.

Unit Names Vermont Yankee 2.

Reporting Period:

January 3.

Licensed Thermal Power (MWt):

1593 4.

Nameplate Rating (Gross MWe):

540 5.

Design Electrical Rating (Net MWe): 514(OC) 504(CC) 6.

Maximum Dependable Capacity (Gross MWe),

535 7.

Maximum Dependable Capacity (Net MWe):

504 8.

If changes occur in capacity ratings (Items Number 3 through 7) since last report, give reasons:

N/A 9.

Power level to which restricted, if any (Net MWe):

N/A

10. Reasons for restrictions, if any:

N/A This month Yr-to-Date Cumulative

11. Hours in Reporting Period 744.00 744.00

12. Number of Hours Reactor was Critical 744.00 744.00 87557.93

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 744.00 744.00 85174.07

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15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 1180435.00 1180435.00 123739444.50

17. Grcss Electrical Energy Generated (MWH) 400579.00 400579.00 41190327.00

18. Net Electrical Energy Generated (MWH) 384408.00 384408.00 39085256.00 l

19. Unit Service Factor-100.00 100.00 78.58

20. Unit Availability Factor 100.00 100.00 78.58

21. Unit Capacity Factor (using @C Net) 102.52 102.52 71.55

22. Unit Capacity Factor (using DER Net) 100.52 100.52 70.16

23. Unit Forced Outage Rate 0.00 0.00 7.32

24. Shutdowns scheduled over next 6 months (Type, Date and Duration of Each).

N/A

25. If shut down at end of report period, estimated date of startup.

N/A

26. Units in Test Status (prior to commercial operation).

Forecast Achieved Initial Criticality Initial Electricity Commercial Operation MSR.F1

AVERAGE DAILY UNIT POWER LEVEL Docket No. 50-271 Unit vermont Yankee Date 850209 Completed by F.J. Buroer Telephone (802) 257-7711 MONTH ' January DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 519 17 518 2

519 18 518 3

519 19 518 4

519 20 512 5

519 21 518 6

513 22 518 7

520 23 518 8

518 24 518 9

518 25 519 10 518 26 519 11 518 27 505 12 518 28 519 13 491 29 518 14 518 30 518 15 518 31 518 16 518 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.

MSR.F2

Docket No.

50-271 Unit vermont Yankee UNIT SHUTDOWNS Af0 P0tER REDUCTIONS Date 850209 Completed by F.J. Burger REPORT MONTH January Telephone (802)257-7711 1

2 3

4 5

No.

Date-Typed Duration Reason Method of License System Component Cause and Corrective Action to (hours)

Shutting Down Event Code Code Prevent Recurrence Reactor Report #

85-01 850113 S

0 B

4 power N/A RB CONR00 Power reduction for surveillance reduction testing.

I 2

3 4

F-Forced A-Equipment Failure (Explain)

Method:

Exhibit G - Instructions S-Scheduled B-Maintenance or Test 1-Manual for Preparation of Data Entry C-Refueling 2-Manual Scram Sheets for Licensee Event D-Regulatory Restriction 3-Automatic Scram Report (LER) File (NUREG 0161)

E-Operator Training and License Examination 4-Other (Explain)

F-Administrative 5

G-Operational Error (Explain)

Exhibit I - Same Source H-Other (Explain)

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4 Docktt No. 50-271 Unit Vermont Yankee Date 850209 Completed by F.J. Burger Telephone (802) 257-7711 REPORT M) NTH January SUPNARY OF OPERATING EXPERIENCES Hiahlichts Vermont Yankee operated at 99.6% of rated thermal power for the month. Gross electrical generation was 400,579 MWH or 99.7 % of design electrical e

capacity.

Operating Summary At the beginning of the reporting period the plant was operating at 99.9% of rated thermal power.

850113 At 0030 hrs a power reduction was initiated for surveillance testing and a rod pattern adjustment.

850113 At 0310 hrs a return to full power was started.

At the end of the reporting period the plant was operating at 99.9% of rated thermal power.

MSR.F5

VERhiONT YANKEE NUCLEAR POWER CORPORATION P. O. BOX 157 GOVERNOR IIUNT ROAD VERNON, VERMONT 05354 VYV 85-073 February 11, 1984 U. S. Nuclear Regulatory Commission Director, Office of Management Information and Program Control Washington, D.C.

20555

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of January,1985.

Very truly yours, NT YA*EE NUCLEAR POWER CORPORATION f

dl-1 hrWarrenP.

rphy Vice President and Manager of Operations WPMgJBapdA4SR1.1 l

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