BVY-99-068, Monthly Operating Rept for Apr 1999 for Vynp.With

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Monthly Operating Rept for Apr 1999 for Vynp.With
ML20206P180
Person / Time
Site: Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date: 04/30/1999
From: Balduzzi M, Wallin G
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-99-068, BVY-99-68, NUDOCS 9905180179
Download: ML20206P180 (6)
v • d • e


Text

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VERMONT YANKEE NUCLEAR POWER CORPORATION P.O. Box 157, Govemor Hunt Road Vernon, Vermont 05354-0157 (802)257-7711 May 10,1999 BVY-99-068 United States Nuclear Regulatory Commission ATTN: DocumentControlDesk 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 Vermont Yankee Nuclear Power Station for the month of April.1999.

Sincerely, VERMONT YANKEE NUCLEAR POWER CORPORATION l

,,ff&gg ./

Michael A.Balduzzi Plant Manager cc: USNRC Region I Administrator i USNRC Resident Inspector- VYNPS

/\ Qj USNRC Project Manager- VYNPS lI Vermont Department ofPublic Service l

l 9905180179 990430 l l PDR ADOCK 05000271 i R PDR

\

t VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 99-04 FOR THE MONTH OF APRIL 1999

OPERATING DATA REPORT

. DOCKET NO.50-271 DATE 990510 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name: Vermont Yankee
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 Peporting Period 719.00 2879.00 230783.00
12. Number Of Hours Reactor was Critical 719.00 2879.00 193080.16
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On-Line 719.00 2879.00 189603.00
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
16. Grn5s Thermal Energy Generated (MWH) 1144402.40 4555768.70 285635430.20
17. Gross Electrical Energy Generated (MWH) 394459.00 1571618.00 95613815.00
18. Net Electrical Energy Generated (MWH) 379355.00 1511458.00 90952909.00
19. Unit Service Factor 100.00 100.00 81.00
20. Unit Availability Factor 100.00 100.00 - 81.00
21. Unit Capacity Factor (Using MDC Net) 103.50 102.90 77.00
22. Unit Capacity Factor (Using DER Net) 101.10 100.60 75.40
23. Unit Forced Outage Rate 0.00 0.00 4.47
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: N/A
26. Units In Test Status (prior to commercial operation): N/A-Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION I

VYDPF 0411.01 (Sample)

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

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. AVERAGE DAILY UNIT POWER LEVEL l . DOCKET NO. 50-271 l ', UNIT Vermont Yankee DATE 990510 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 l MONTH April l

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1, 528 17. 528 l 2. 528 '18. 528

3. 528 19, 527
4. 528 20. 527
5. 528 21. 527
6. 528 22. 527
7. 528 23. 527
8. 528 24. 527
9. 528 25. 527  ;

10, 528 26. 527

11. 528 27. 526 12, 528 28. 527
13. 528 29. 527
14. 528 30. 526
15. 528 31. ---
16. 528

\

i INSTRUCTIONS: i On this format, list the average daily unit power level in MWE-Net I for each day in the reporting month. Compute to the nearest whole megawatt, i

VYDPF 0411.02 (Sample)

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

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'- DOCKET NO. 50-271 DATE 990510 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH April

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 100.0% of rated thermal power for the month.

Gross electrical generation was 394,459 MWHe or 100.5% 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 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 99.9% 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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