ML20071F992

Monthly Operating Rept for June 1994 for Vermont Yankee Nuclear Station

ML20071F992
Person / Time
Site:	Vermont Yankee
Issue date:	06/30/1994
From:	Reid D, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-94-72, VY-RCE-94-018, VY-RCE-94-18, NUDOCS 9407110307
Download: ML20071F992 (6)

Text

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Vi!RMONT YANKEE NUCLEAR POWER CORPORATION fO.f'/ )

P O Box 157 Governor Hunt Roa'J Vernon, Verrnont 05354-0157

y. g- (802) 257-7711 sg

,Yg 1

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July 10,1994 VY-RCE-94-018 BVY 94-72 U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Attn: Document Control Desk

Reference:

a) License No. DPR-28 (Docket No. 50-271)

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of June.1994.

Venj truly yours, Vermont Yankee Nuclear Power Corp.

v a Donald A. Reid Vice President, Operations cc: USNRC, Region I USNRC Resident inspector, VYNPS 9407110307 940630 VDR ADOCK 05000271 g a son j 1 4

VERMONT YANKEE NUCLEAR POWER STATION MONTIILY STATISTICAL REM)RT 94-06 FOR TIIE MONTII OF JUNE 1994 DP 0411 Rev. 5 Page1 ofI

~ -, , , , . - - , - -

. OPERATING DATA REPORT- i=

DOCKET NO.50-271 DATE 940710 COMPLETED BY G.A. WALLIN__

QEEBATIFG STATUS

1. Unit Name: Vermont Yankee

2. Reporting Period: June NOTES:

. 3. , Licensed Thermal Power (MWt) :1593

4. Nameplate Rating (Gross MWe): Ein

5. Design Electrical Rating (Net MWe): 514 (oc) 504(cc)

6. Maximum Dependable Capacity (Gross MWe) : 135

7. Maximum Dependable Capacity (Net MWe): EQA

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 720.00 4343.-00 189167.00

12. Number Of Hours Reactor was Critical - 720.00 4302.12 155519.53

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line-- 720.00 4286.17 152401.79

15. Unit Reserve- Shutdown Hours - 0.00 0.00 0.00

16. Gross-Thermal Energy Generated (MWH) l'145917.10 6784204.05 227489875.55 3/1.-Gross Electrical Energy-Generated _ 380730.00 2289826.00 75809208.00-

18. Net Electrical Energy Generated (MWH) 360695.00 2195313'.00 72042337.00

19. Unit Service' Factor -100.00 98.69 79.85-

20. Unit Availability Factor 100.00 98.69 79.85-

21. Unit Capacity Factor (Using.MDC Net)- 99.40 100.29- 74.89

-22. Unit Capacity Factor (Using DER Net)- 97.46- 98.34 73.43

23. Unit Forced Outage Rate _

0.00 1.31 5.07-

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 (piiori to commercial operation) : N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 DP 0411 Rev. 5

-Page 1-of 1 RTENo. 13.F01.19F-

'. AVERAGE DAILY UNIT ~ POWER LEVEL =

• DOCKET NO. 50-271

~

UNIT Vermont Yankee DATE 940710 COMPLETEL BY G.A. WALLIN TELEPHONE (802)257-7711 MONTH- June DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 514 17. 502

2. 515 18, 501 3, 534 19. 492 4, 507 20. 494

5. 507 21, 496 6, 505 22. 496

7. 498 23. 495

8. 499 24. 495

9. 503 25. 497

- 10 , 504- 26, 494

11. 504 27, 499

12. 497 28, 495

13. 496 29.  : 5 01

14. 503 30. 502

-15. 503 31. ---

16. 503 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.

VYDPF 0411.02 DP 0411 Rev. 5-Page 1 of 1

-RT No. 13.F01.18V

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UNIT SHUTDOWNS AND POWER REDUCTIONS **

{

REPORT MONTH JUNE DOCKET NO 50-271 UNIT NAME Vemont Yankee DATE 940710 COMPLETED BY G.A. Wal1in t

TELEPHONE (802)257-7711-'  !

1 .2 3 4 5 No. Date Type Duration Reason:. Method of License System Component Cause and Corrective (hours) Shutting Event Code Code Action to Prevent .;

Down Report # Recurrence _

Reactor (None) ,

i 4

1 1 F: Forced 2 Reason: 3 Method: 4 Exhibit G- Instructions S: Scheduled A-Equipment Failure (Explain). 1 - Manual for Preparation of Data  ;

B-Maintenance or Test 2 - Manual Scram Entry Sheets for License ,

, C-Refueling 3 - Automatic Scram Event Report-(LER) File-D-Regulatory Restriction 4 - Other (Explain) (NUREG 0161)

E-Operator Training and i License Examination 5 Exhibit I - Same Source '

VYDPF 0411.03 F-Administrative ~

DP 0411 Rev. 5 G-Operational Error (Explain)  ;

Page 1 of 1 H- ( Explain) i i

, DOCKET NO. 50-271 =

c-' DATE- 940710 COMPLETED BY G.A. WALLIN TELEPHONE (802)257-7711 REPORT MONTH June

SUMMARY

OF OPERATING ElPERIENCES Highlichts Vermont Yankee operated at 99.9% of rated thermal power for the month.

Gross electrical generation was 380,730 MWHe or 97.9% design electrical capacity.

Opera ting _ Summa ry 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.

There were no items of interest to report for this month.

At the end of the reporting period the plant was operating at 99.91 of rated thermal power.

VYDPF 0411.04 DP 0411 Rev. 5 Page 1 of 1 RT No. 13.F01.18X-

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