ML20210T304

Monthly Operating Rept for Jan 1987

ML20210T304
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	01/31/1987
From:	Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
VYV-87-017, VYV-87-17, NUDOCS 8702180146
Download: ML20210T304 (6)

Text

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VERM)NT YANKEE NUCLEAR POWER STATION MONTH _Y STATISTICAL REPORT 87-01 FOR THE M) NTH OF..RNmRY,1987 r

8702180146 870210

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PDR ADOCK 05000271 R

PDR c.

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i OPERATING DTTA REPORT DOCKET NO.

50-271 D4TE 870210 COMPLETED BY G.A. Wallin TELEPHONE (802) 257-7711 OPERATING STARJS Notes:

1.

Unit Name:

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 98214.73

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 744.00 744.00 95722.69

15. Unit Reserve Shutdown Hours O.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 1182579.50 1182579.50 139858220.00

17. Gross Electrical Energy Generated (MWM) 401444.00 401444.00 46530278.00

18. Net Electrice Energy Generated (MWH) 385170.00 385170.00 44143846.00

19. Unit Service Factor 100.00 100.00 76.03

20. Unit Availability Factor 100.00 100.00 76.03

21. Unit Capacity Factor (using MDC Net) 102.72 102.72 69.57

22. Unit Capacity Factor (using DER Net) 100.72 100.72 68.21

23. Unit Forced Outage Rate 0.00 0.00 6.64

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

NA\\

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

N/A

26. Units in Test Status (prior to commercial operation): N/A Forecast Achieved INITIAL CRITICALITY VYDPF 0411.01 INITIAL ELECTRICITY Original C0mERCIAL OPERATION

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AVERAGE DRILY UNIT POWER LEVEL 00CKET N]._

50-271 UNIT Vermont Yankee mTE 870210 COMPLETED BY G.A. Wallin TELEPW NE (802) 257-7711 W NTH January DAY AVERAGE DAILY POWER LEVEL MY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 519 17 518 2

519 18

-515 3

519 19 518 4

4 513 20 518 5

518 21 518-6 518 22 518 7

520 23 519 8

519 24 518 9

518 25 515 10 519 26 518 11 511 27 518 12 519 28 518 13 518 29 518 14 518 30 518 15 519 31 518-16 519 INSTRUCTIONS:

On this format, list the average daily unit power level in MWe-Net for mch day in the reporting month. Compute to the nearest whole megawatt.

VYDPF 0411.02 0riginal

s DOCKET NO.

50-271 UNIT NAME Vermont Yankee D4TE 870210 UNIT 91UTDOWNS AND POWER REDUCTIONS COMPLETED BY G. A. Wallin TELEPK)NE (802) 257-7711 REPORT WNTH. January 1

2 3

4 5

No.

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

Shutting Down Event Code Code Prevent Recurrence Reactor Report +

87-01 870111 S

0.00 B

4 N/A RB ZZZZZZ Power reduction for turbine bypass valve testing.

Power Reduction 3

4 1

2 F-Forced A-Equipment Failure (Explain)

Method:

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

D-Regulatory Restriction 4-Other (Explain)

E-Operator Training and License Examination 5

F-Administrative Exhibit I - Same Source WDPF 0411.03 G-Operational Error (Explain)

Original H-Other (Explain) l

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DOCKET to.

50-271 UNIT Vermont Yankee DATE 870210 COMPLETED BY G.A. Wallin TELEPf0NE (802) 257-7711

' REPORT M] NTH January SUMeRY OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 99.8% of rated thermal power for the month.

Gross electrical generation was 401,'444 MWH or 99.9% of design e

electrical capacity.

Operating Summary The following is a chronological description of plant operations including other pertinent items of interest for the month:

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

870111 At 0033 hours3.819444e-4 days <br />0.00917 hours <br />5.456349e-5 weeks <br />1.25565e-5 months <br />, reduced power to 80% to perform turbine surveillance.

(See Unit Shutdowns and Power Reductions) 870111 At 0225 hours0.0026 days <br />0.0625 hours <br />3.720238e-4 weeks <br />8.56125e-5 months <br />, completed turbine surveillance and 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.

WDPF 0411.04 Original

VERMONT YANKEE NUCLEAR POWER CORPORATION P. O. BOX 157 GOVERNOR huh"r ROAD VERNON, VERMONT 05354 VYV 87- 017 February 10, 1987 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,1987.

Very truly yours, VERMONT YANKEE NUCLEAR POWER WRP.

W Warren P M p Vice President an Manager of Operations WPM /GAW/gnv:MSR1.1A4SR VYDPF 0411 Original v\\

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