BVY-98-053, Monthly Statistical Rept for Mar 1998 for Vynp

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Monthly Statistical Rept for Mar 1998 for Vynp
ML20216B760
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 03/31/1998
From: Maret G, Wallin G
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-98-053, BVY-98-53, NUDOCS 9804140090
Download: ML20216B760 (6)
v • d • e


Text

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l VERMONT YANKEE J NUCLEAR POWER CORPORATION P.O. Box 157, Govemor Hunt Road i

@ Vernon, Vermont 053 (802) 257-7711 i 1

April 10,1998 BVY-984.,3 United States Nuclear Regulatory Commission ATrN: 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 i Power Station for the month of March.1998.

Sincerely, V  % YANKEE NUCLEAR POWER CORPORATION

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daret r( .

Plant er cc: USNRC Region i Administrator USNRC Resident Inspector - VYNPS I USNRC Project Manager - VYNPS l Vermont Department of Public Service )

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9804140090 980331 PDR ADOCK 05000271 R PDR AGOVSC

1 VERMONr YANKEE NUCIEAR POWER STATION MONTHLY STATISTICAL REPORT 9843 FOR Tile MONTII OF MARCH 1998 1

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OPERATING DATA REPORT DOCKET NO.50-271 DATE 980410 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name: Vermont Yankee
2. Reporting Period: March
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 I 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 744.00 2160.00 221304.00 j
12. Number Of Hours Reactor was Critical 467.60 1883.60 185263.58 (
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00 l
14. Hours Generator On-Line 466.83 1882.83 181916.70  !
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00-
16. Gross Thermal Energy Generated (MWH) 652163.50 2807100.10 273581004.00
17. Gross Electrical Energy Generated (MWH) 222649.00 964137.00 91487921.00
18. Net Electrical Energy Generated (MWH) 213087.00 924977.00 87007732.00
19. Unit Service Factor 62.70 87.20 81.30
20. Unit Availability Factor 62.70 87.20 81.30
21. Unit Capacity Factor (Using 11DC Net) 56.20 84.00 77.00
22. Unit Capacity Factor (Using DER Net) 54.90 82.00 75.50
23. Unit Forced Outage Rate 0.00 0.00 4.52
24. Shutdowns scheduled ovat next 6 months (Type, Date, and Duration of Each: 1 1
25. If shut down at end of report period, estimated date of startup: 05/02/98 l
26. Units In Test Status (pr ior to commercial operation) : N/A l Forecast Achieved INITIAL CRITICAI.~.TY INITIAL ELECTRICITY l COMMERCIAL OPERATION j VYDPF 0411.01 (Sample)

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

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 980410 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH March DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 473 17. 449
2. 471 18. 447
3. _

469 19. 446

4. 468 20. 161
5. 466 21. 0
6. 464 22. 0
7. 463 23. 0
8. 462 24. 0
9. 461 25. 0
10. 458 26. 0
11. 456 27. 0
12. 456 28. 0
13. 455 29. 0
14. 453 30, 0
15. 452 31. 0
16. 450 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 (Sample)

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

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,,',0 DOCKET NO. 50-271 DATE 980410 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH March

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 55.0% of rated thermal power for the month.

Gross electrical generation was 222,649 MWHe or 54.8% design 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 90.4%

of rated thermal power.

980320 At 0651 hours0.00753 days <br />0.181 hours <br />0.00108 weeks <br />2.477055e-4 months <br />, initiated a plant shutdown to begin the 1998 Refueling / Maintenance outage (See Unit Shutdowns and Power Reductions) 970320 At 1050 hours0.0122 days <br />0.292 hours <br />0.00174 weeks <br />3.99525e-4 months <br />, the turbine generator was removed from the grid.

970320 At 1136 hours0.0131 days <br />0.316 hours <br />0.00188 weeks <br />4.32248e-4 months <br />, the reactor was sub-critical.

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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