ML020780358

February 2002 Monthly Operating Report for Vermont Yankee Nuclear Power Station

ML020780358
Person / Time
Site:	Vermont Yankee
Issue date:	03/08/2002
From:	Bronson K Vermont Yankee
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
BVY-02-14
Download: ML020780358 (6)

Text

VERMONT YANKEE NUCLEAR POWER STATION P.O. Box 157, Governor Hunt Road Vernon, Vermont 05354-0157 (802) 257-7711 March 8, 2002 BVY-02-14 United States Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555

Reference:

(a) License No. DPR-28 (Docket No. 50-27 1)

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 February, 2002.

Sincerely, VERMONT YANKEE CLEAR POWER STATION Kevin H. Bronson Plant Manager cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRC Project Manager - VYNPS

VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 02-02 FOR THE MONTH OF FEBRUARY 2002

OPERATING DATA REPORT DOCKET NO.50-271 DATE 020308 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name: Vermont Yankee

2. Reporting Peri(od: February

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 672 .00 1416.00 255624.00

11. Hours in Reporting Period 672 .00 1416.00 216531.42

12. Number Of Hours Reactor was Critical 0.00 0.00 0.00

13. Reactor Reserve Shutdown Hours 672 .00 1416.00 212962.44

14. Hours Generator On-Line Hours 0.00 0.00 0.00

15. Unit Reserve Shutdown 1036205.65 2216483.45 322406567.66

16. Gross Thermal Energy Generated(MWH)

17. Gross Electrical Energy Generated(MWH) 356949 .00 764766.00 108194355.00

18. Net Electrical Energy Generated(MWH) 343305.00 735657.00 102955400.00 100.00 100.00 82.30

19. Unit Service Factor

20. Unit Availability Factor 100.00 100.00 82.30 Unit Capacity Factor(Using MDC Net) 100.20 101.90 78.70 21.

Unit Capacity Factor(Using DER Net) 97.90 99.50 77.10 22.

23. Unit Forced Outage Rate 0.00 0.00 4.05 (Type, Date, and Duration of

24. Shutdowns scheduled over next 6 months 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. 7 Page 1 of 1 RT No. 13.FO1.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 020308 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH February DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 530 17. 529

2. 530 18. 523

3. 530 19. 522

4. 527 20. 529

5. 529 21. 529

6. 529 22. 529

7. 530 23. 529

8. 529 24. 529

9. 529 25. 529

10. 530 26. 489

11. 527 27. 287

12. 529 28. 313

13. 530 29. --

14. 529 30. --

15. 529 31. --

16. 529 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

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH FEBRUARY DOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 020308 COMPLETED BY G.A. Wallin TELEPHONE (802)258-5414 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 02-02 020226 5 0.00 B,H* 4 N/A RB CONROD Turbine bypass valve, MSIV, Power testing a rod pattern Reduction exchange and power suppression testing.

F: Forced 2 Reason: 3 Method: 4 Exhibit G- Instructions 1

A-Equipment Failure (Explain) 1 - Manual for Preparation of Data S: Scheduled B-Maintenance or Test 2 - Manual Scram Entry Sheets for License 3 - Automatic Scram Event Report (LER) File C-Refueling 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. 7 G-Operational Error (Explain)

Page 1 of 1 *H-(Explain) - Rod pattern exchange

DOCKET NO. 50-271 DATE 020308 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH February

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 97.5 of rated thermal power for the month.

Gross electrical generation was 356,949 MWHe or 96.7% 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.

020226 At 1913 hours0.0221 days <br />0.531 hours <br />0.00316 weeks <br />7.278965e-4 months <br />, commenced a power reduction to 52% for turbine bypass valve, MSIV full closure, power suppression testing, and a rod pattern exchange. (See Unit Shutdowns and Power Reductions) 020226 At 2102 hours0.0243 days <br />0.584 hours <br />0.00348 weeks <br />7.99811e-4 months <br />, initiated power suppression testing.

020228 At 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />, initiated MSIV full closure testing.

020228 At 1420 hours0.0164 days <br />0.394 hours <br />0.00235 weeks <br />5.4031e-4 months <br />, completed MSIV full closure testing.

At the end of the reporting period the plant was operating at 62.4% of rated thermal power.

VYDPF 0411.04 (Sample)

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