BVY-98-068, Monthly Operating Rept for Apr 1998 for Vermont Yankee Nuclear Power Station

Monthly Operating Rept for Apr 1998 for Vermont Yankee Nuclear Power Station

ML20247D288
Person / Time
Site:	Vermont Yankee
Issue date:	04/30/1998
From:	Maret G, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-98-068, BVY-98-68, NUDOCS 9805140328
Download: ML20247D288 (6)

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VERMONT YANKEE  !

i-NUCLEAR POWER CORPORATION P.O. Box 157, Govemor Hunt Road i Vemon, Vermont 05354-0157 I (802) 257-7711

.May 8,1998 BVY-98-068 United States Nuclear hegulatory 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 Vermont Yankee Technical Specifications, submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of April.1998.

Sincerely, VE OP ANKEE NUCLEAR POWER CORPORATION

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. Maret Plant anager cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS ,

USNRC Project Manager - VYNPS j Vermont Department of Public Service

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VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 98-04 FOR THE MONTH OF APRIL 1998 1

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OPERATING DRTA REPORT l , DOCKET NO.50-271

( DATE 980510 l

COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name: Vermont Yankee i

2. Reporting Period: April

3. Licensed Thermal Power (MWt): 1593

4. Nameplate Rating (Gross MWe): 540

5. Design Electrical Rating (Net MWe): 522

6. Maximum Dependable Capacity (Gross MWe): 535

7. Maximum Dependable capacity (Net MWe): 510

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

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 719.00 2879.00 222023.00

-12. Number Of Hours Reactor was Critical 0.00 1883.60 185263.58 l 13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 0.00 1882.83 181916.70

.15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 0.00 2807100.10 273581004.00

17. Gross Electrical Energy Generated (MWH) 0.00 964137.00 91487921.00 18 Net Electrical Energy Generated (MWH) 0.00 924977.00 87007732.00

19. Unit Service Factor 0.00 65.40 81.00

20. Unit; Availability Factor 0.00 65.40 81.00

21. Unit Capacity Factor (Using MDC Net) 0.00 63.00 76.80

22. Unit Capacity Factor (Using DER Net) 0.00 61.50 75.30

23. Unit Forced Outage Rate 0.00 0.00 4.52

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

25. If. shut down at end of report period, estimated date of startup: 05/20/98

26. Units In Test Status (prior to commercial operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 (Sample)

DP 0411 Rev. 7 Page 1 of 1 RT No. 13.F01.19F

l AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 980510 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414

-MONTH April DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 0 17. 0

2. 0 18. 0

3. 0 19. 0

4. 0 20. 0 5.* O 21. 0

6. 0 22. 0

7. 0 23. 0

8. 0 24. 0

9. 0 25. 0

10. 0 26. 0

11. 0 27. 0

12. 0 28. 0

13. 0 29. 0

14. 0 30. 0

13. 0 31. -

16. 0 *23 hour day 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. j VYDPF 0411.02 (Sample) l DP 0411 Rev. 7 l Page 1 of 1 l RT No. 13.F01.16V l

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.'.* DOCKET NO. 50-271 DATE 980510 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH April

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 00.0% of rated thermal power for the month -

Gross electrical generation was O MWHe or 0% design electrical capacity.

3 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 0.00%

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 00.0% of rated thermal power.

VYDPF 0411.04 (Sample)

DP 0411 Rev. 7 Page 1 of 1 RT No. 13. F01.18X

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