ML020580191

January 2002 Monthly Operating Report for Vermont Yankee Nuclear Power Station

ML020580191
Person / Time
Site:	Vermont Yankee
Issue date:	02/08/2002
From:	Bronson K Vermont Yankee
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
BVY-02-06
Download: ML020580191 (6)

Text

VERMONT YANKEE NUCLEAR POWER STATION P.O. Box 157, Governor Hunt Road Vernon, Vermont 05354-0157 (802) 257-7711 February 8, 2002 BVY-02-06 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 January, 2002.

Sincerely, VERMONT YANKEE NUCLEAR POWER STATION

), Kevin H. Bronson Plant Manager cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRC Project Manager - VYNPS q/V

VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 02-01 FOR THE MONTH OF JANUARY 2002

OPERATING DATA REPORT DOCKET NO.50-271 DATE 020208 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name: Vermont Yankee

2. Reporting Period: January

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 744.00 744.00 254952.00

12. Number Of Hours Reactor was Critical 744.00 744.00 215859.42

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 744.00 744.00 212290.44

15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated(MWH) 1180277.80 1180277.80 321370361.41

17. Gross Electrical Energy Generated(MWH) 407817.00 407817.00 107837406.00

18. Net Electrical Energy Generated(MWH) 392352.00 392352.00 102612095.00

19. Unit Service Factor 100.00 100.00 82.20

20. Unit Availability Factor 100.00 100.00 82.20

21. Unit Capacity Factor(Using MDC Net) 103.40 103.40 78.70

22. Unit Capacity Factor(Using DER Net) 101.00 101.00 77.10

23. Unit Forced Outage Rate 0.00 0.00 4.07

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. 7 Page 1 of 1 RT No. 13.FO1.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 020208 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH January DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 529 17. 529

2. 529 18. 529

3. 529 19. 529

4. 529 20. 529

5. 529 21. 527

6. 529 22. 530

7. 525 23. 530

8. 529 24. 530

9. 479 25. 530

10. 529 26. 530

11. 529 27. 530

12. 529 28. 527

13. 529 29. 530

14. 525 30. 530

15. 529 31. 529

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.FO1.18V

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH JANUARY DOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 020208 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 1 02-01 020109 5 0.00 H 4 N/A RB CONROD Rod pattern adjustment.

Power Reduction 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 VYDPF 0411.03 F-Administrative DP 0411 Rev. 7 G-Operational Error (Explain)

Page 1 of 1 H-(Explain) - Rod pattern adjustment

DOCKET NO. 50-271 DATE 020208 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH January

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 99.5 of rated thermal power for the month.

Gross electrical generation was 407,817 MWHe or 100.3% 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.

020109 At 0038 hours4.398148e-4 days <br />0.0106 hours <br />6.283069e-5 weeks <br />1.4459e-5 months <br />, reducing power to 79% to perform a rod pattern adjustment. (See Unit Shutdowns and Power Reductions) 020109 At 0109 hours0.00126 days <br />0.0303 hours <br />1.802249e-4 weeks <br />4.14745e-5 months <br />, initiated rod pattern adjustment.

020109 At 0124 hours0.00144 days <br />0.0344 hours <br />2.050265e-4 weeks <br />4.7182e-5 months <br />, completed rod pattern adjustment.

020109 At 0220 hours0.00255 days <br />0.0611 hours <br />3.637566e-4 weeks <br />8.371e-5 months <br />, initiated a return to full power.

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.FO1.18X