ML022000168

June 2002 Monthly Operating Report for Vermont Yankee Nuclear Power Station

ML022000168
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	07/10/2002
From:	Bronson K Vermont Yankee
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
BVY-02-46
Download: ML022000168 (6)

Text

VERMONT YANKEE NUCLEAR POWER STATION P.O. Box 157, Governor Hunt Road Vernon, Vermont 05354-0157 (802) 257-7711 July 10, 2002 BVY-02-46 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 June, 2002.

Sincerely, VERMONT Y^KEE NUCLEAR 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 02-06 FOR THE MONTH OF JUNE 2002

OPERATING DATA REPORT DOCKET NO.50-271 DATE 020710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name:

Vermont Yankee

2.

Reporting Period:

June

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):

7.

Maximum Dependable Capacity(Net MWe):

535 510

8.

If changes, occur in capacity ratings(Items Number last report, give reasons:

9.

Power level to which restricted, if any(Net MWe):

10. Reasons for restrictions, if any:

N/A This Month

11. Hours in Reporting Period 720.00

12.

Number Of Hours Reactor was Critical 720.00

13. Reactor Reserve Shutdown Hours 0.00

14. Hours Generator On-Line 720.00

15. Unit Reserve Shutdown Hours 0.00

16. Gross Thermal Energy Generated(MWH) 1135805.88

17. Gross Electrical Energy Generated(MWH) 389308.00

18. Net Electrical Energy Generated(MWH) 372559.00

19. Unit Service Factor 100.00

20. Unit Availability Factor 100.00

21. Unit Capacity Factor(Using MDC Net) 101.50

22. Unit Capacity Factor(Using DER Net) 99.10

23. Unit Forced Outage Rate 0.00

24.

Shutdowns scheduled over next 6 months(Type, Date, 3 through 7) since N/A Yr-to-Date Cumulative 4343.00 258551.00 4086.88 219202.30 0.00 0.00 4059.70 215606.14 0.00 0.00 6094057.58 326284141.76 2090277.00 109519866.00 2006341.00 104226084.00 93.50 82.40 93.50 82.40 90.60 78.80 88.50 77.20 0.00 4.01 and Duration of Each:

10/05/2002 to 10/25/2002 for scheduled refueling outage.

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 020710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH June DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net)

1.

524

17.

505

2.

523

18.

526

3.

520

19.

525

4.

463

20.

525

5.

468

21.

524

6.

523

22.

517

7.

525

23.

519

8.

525

24.

517

9.

525

25.

522

10.

517

26.

521

11.

521

27.

515

12.

523

28.

520

13.

524

29.

521

14.

525

30.

505

15.

526

31.

16.

526 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 JUNE 1

F: Forced S: Scheduled VYDPF 0411.03 DP 0411 Rev.

7 Page 1 of 1 DOCKET NO UNIT NAME DATE COMPLETED BY TELEPHONE 2 Reason:

3 Method:

A-Equipment Failure (Explain) 1 -

Manual B-Maintenance or Test 2 - Manual Scram C-Refueling 3 - Automatic Scram D-Regulatory Restriction 4 - Other (Explain)

E-Operator Training and License Examination F-Administrative G-Operational Error (Explain)

H-(Explain) -

Rod pattern adjustment 50-271 Vermont Yankee 020710 G.A. Wallin (802)258-5414 4 Exhibit G-Instructions for Preparation of Data Entry Sheets for License Event Report (LER) File (NUREG 0161) 5 Exhibit I Same Source 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 02-11 020604 5

0.00 H

4 N/A RB CONROD Rod pattern adjustment Power Reduction 02-12 020630 S

0.00 H

4 N/A RB CONROD Rod pattern adjustment Power Reduction

DOCKET NO.

50-271 DATE 020710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH June

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 99.0 of rated thermal power for the month.

Gross electrical generation was 389,308 MWHe or 99.1% 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 100.0%

of rated thermal power.

020604 At 1402 hours0.0162 days <br />0.389 hours <br />0.00232 weeks <br />5.33461e-4 months <br />, commenced a power reduction to 69% power for a rod pattern adjustment.

(See Unit Shutdowns and Power Reductions) 020604 At 1512 hours0.0175 days <br />0.42 hours <br />0.0025 weeks <br />5.75316e-4 months <br />, initiated the rod pattern exchange.

020604 At 1525 hours0.0177 days <br />0.424 hours <br />0.00252 weeks <br />5.802625e-4 months <br />, completed the rod pattern exchange.

020604 At 1545 hours0.0179 days <br />0.429 hours <br />0.00255 weeks <br />5.878725e-4 months <br />, commenced a return to full power following the rod pattern adjustment.

020630 At 2112 hours0.0244 days <br />0.587 hours <br />0.00349 weeks <br />8.03616e-4 months <br />, commenced a power reduction to 70% power for a rod pattern adjustment.

(See Unit Shutdowns and Power Reductions) 020630 At 2222 hours0.0257 days <br />0.617 hours <br />0.00367 weeks <br />8.45471e-4 months <br />, initiated the rod pattern exchange.

020630 At 2235 hours0.0259 days <br />0.621 hours <br />0.0037 weeks <br />8.504175e-4 months <br />, completed the rod pattern exchange.

020630 At 2327 hours0.0269 days <br />0.646 hours <br />0.00385 weeks <br />8.854235e-4 months <br />, commenced a return to full power following the rod pattern adjustment.

At the end of the reporting period the plant was operating at 69.9% of rated thermal power.

VYDPF 0411.04 (Sample)

DP 0411 Rev.

7 Page 1 of 1 RT No.

13.F01.18X