ML20072A039

Monthly Operating Rept for Jul 1994 for Vermont Yankee Nuclear Power Station

ML20072A039
Person / Time
Site:	Vermont Yankee
Issue date:	07/31/1994
From:	Reid D, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-94-76, VY-RCE-94-020, VY-RCE-94-20, NUDOCS 9408120111
Download: ML20072A039 (6)

Text

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V,ERMONT YANKEE NUCLEAR POWER CORPORATION

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P.O. Box 157, Governor Hunt Road s \'[s I -

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k Vernon, Vermont 05354-0157 (802) 257-7711 y ~,)

August 10,1994 VY-RCE-94-020 BVY 94-76 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555

Reference:

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

In accordance with section 6.7.A.3 of the Vennont Yankee Technical Specifications, submitted herewith is the Monthly Statistical Report for the Vennont Yankee Nuclear Power Station for the month of July.1994.

Sincerely, Vennont Yankee Nuclear Power Corp.

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Donald A. Reid Vice President Operations cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRC Project Mananger - VYNPS y

, ~ '94U8120111 940731 PDR ADOCK 05000271 R PDR s y}L <

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VERMONT YANKEE NUCLEAR POWER STATION MONTIILY STATISTICAL REPORT 94-07 FOR TIIE MONTII OF JULY 1994 a

DP 0411 Rev. 5 Page1 of1 2

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, '. ' OPERATING DATA REPORT DOCKET NO.50-271 DATE 940810

. COMPLETED BY G.A. WALLIN TELEPHONE (802)257-7711 OPERATING STATUS

1. Unit Name: Vermont Yankee

2. Reporting Period: July NOTES:

3. Licensed Thermal Power (MWt):1593 _

4. Nameplate Rating (Gross MWe): 540

5. Design Electrical Rating (Net MWe): 514 (oc) 5_Q_4 ( c c )

6. Maximum Dependable Capacity (Gross MWe): 511

7. Maximum Dependable Capacity (Net MWe): 101

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 5087.00 189911.00

12. Number Of Hours Reactor was Critical 744.00 5046.12 156263.53

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00 ,

14. Hours Generator On-Line 744.00 5030.17 153145.79

15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 1146764.05 7930968.10 228636639.60

17. Gross Electrical Energy Generated 376512.00 2666338.00 76185720.00-

18. Net Electrical Energy Generated (MWH) 356025.00 2551338.00 72398362.00

19. Unit Service Factor 100.00 98.88 79.92

20. Unit Availability Factor 100.00 98.88 79.92

21. Unit Capacity Factor (Using MDC Net) 94.95 99.51 74.97

22. Unit Capacity Factor (Using DER Net) 93.10 97.58 73.51

23. Unit Forced Outage Rate- 0.00 1.12 5.05

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) : N/A Forecast Achieved INITIAL CRITICALITY I INITIAL ELECTRICITY COMMERCIAL OPERATION j VYDPF 0411.01 DP 0411 Rev. 5 Page 1 of 1 RT No. 13.F01.19F

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.' AVERAGE DAILY UNIT POWER LEVEL  !

1 DOCKET NO. 50-271 UNIT Vermont Yankee DATE 940810 COMPLETED BY G.A. WALLIN TELEPHONE (802)257-7711 MONTH July DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 501 17, 492

2. 501 18. 491 ,

3. 497 19. 469 >

4. 503 20. 495

5. 502 21. 496

6. 489 22. 496

7. 491 23. 498

8. 491 24. 492

9. 489 25. 496

10. 492 26. 498

11. 497 27. 489 ,

12. 496 28. 445

13. 493 29. 423 14, 492 30. 296 15 . - 494 __ 31. 336-

16. 496 INSTRUCTIONS:

Oni 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 l

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. UNIT SHUTDOWNS AND POWER REDUCTIONS . .

REPORT MONTH JULY DOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 940810 COMPLETED BY G.A. Wallin 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 94-06 940719 S 0.00 H 4 N/A RB CONROD Rod Pattern Exchange Power Reduction 94-07 940729 F 0.00 A 4 N/A WE HTEXCH West cooling tower Power structural damage Reduction under investigation 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 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) - Rod Pattern Exchange i

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