ML043560190

November 2004 Monthly Operating Report for Vermont Yankee Nuclear Power Station

ML043560190
Person / Time
Site:	Vermont Yankee
Issue date:	12/08/2004
From:	Maguire W Entergy Nuclear Northeast
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
BVY-04-128
Download: ML043560190 (6)

Text

Entergy Nuclear Northeast Entergy Nuclear Operations, Inc.

Vermont Yankee

--WEntergy 322 Governor Hunt Rd.

P.O. Box 157 Vernon, VT 05354 Tel 802-257-7711 December 8, 2004 BVY-04-128 United States 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 6.6.B of the Vermont Yankee Technical Specifications, submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of November, 2004.

Sincerely, William Ma uire General adger, Plant Operations cc: USNRC Region I Administrator USNRC Resident Inspector USNRC Project Manager

,J:e,4

VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 04-11 FOR THE MONTH OF NOVEMBER 2004

OPERATING DATA REPORT DOCKETNO.50-271 DATE 041208 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

. - I.

1. Unit Name: Vermont Yankee

2. Reporting Peric)d: NOVEMBER

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: High pressure turbine was replaced during RFO-24 with a unit designed for 1912 MWt. This results in the unit running at a lower efficiency when at 1593 MWt or lower.

This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 720.00 8040.00 282961.80

12. Number Of Hours Reactor was Critical 720.00 6915.00 238716.22

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 720.00 6857.37 234984.06

15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated(MWH) 1146387.00 10843582.69 356816572.38

17. Gross Electrical Energy Generated(MWH) 383931.00 3641451.00 119873703.00

18. Net Electrical Energy Generated(MWH) 368682.00 3477457.00 114103968.00

19. Unit Service Factor 100.00 85.30 83.00

20. Unit Availability Factor 100.00 85.30 83.00

21. Unit Capacity Factor(Using MDC Net) 100.40 84.80 79.70

22. Unit Capacity Factor(Using DER Net) 98.10 82.90 78.10

23. Unit Forced Outage Rate 0.00 6.13 3.91

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 INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 (Sample)

DP 0411 Rev. 8 Page 1 of 1 RT No. 13.F01.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 041208 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH NOVEMBER DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 513 17. 513

2. 513 18. 513

3. 510 19. 513

4. 507 20. 513

5. 508 21. 513

6. 501 22. 513

7. 509 23. 513

8. 513 24. 513

9. 512 25. 513

10. 513 26. 513

11. 513 27. 513

12. 513 28. 513

13. 513 29. 512

14. 514 30. 512

15. 513 31.

16. 513 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. 8 Page 1 of 1 RT No. 13.F01.18V

4% )

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH NOVEMBER DOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 041208 COMPLETED BY G.A. Wallin TELEPHONE (802)258-5414 1 2 3 4 5 Cause and Corrective Action to Prevent No. Date Type Duration Reason Method of License System Component Recurrence.

Shutting Event Code Code.

(hours) Down Report #

Reactor (None) 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 .

F-Administrative G-Operational Error (Explain)

H-(Explain) - VYDPF 0411.03 DP 0411 Rev. 8 Page 1 of 1

DOCKET NO. 50-271 DATE 041208 COMPLETED BY G.A. Wallin TELEPHONE (802)258-5414 REPORT MONTH NOVEMBER

SUMMARY

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

Gross electrical generation was 383,931 MWHe or 98.1% 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. 8 Page 1 of 1 RT No. 13.FO1.18X