ML033230400

October 2003 Monthly Operating Report for Vermont Yankee

ML033230400
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	11/10/2003
From:	Bronson K Entergy Nuclear Northeast, Entergy Nuclear Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
BVY-03-99
Download: ML033230400 (6)

Text

-Enntergy Entergy Nuclear Northeast Entergy Nuclear Operations, Inc.

Vermont Yankee 322 Governor Hunt Rd.

RO. Box 157 Vernon, VT 05354 Tel 802-257-7711 November 10, 2003 BVY-03-99 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 October. 2003.

Sincerel Kevin H. Bronson General Manager, Plant Operations cc: USNRC Region I Administrator USNRC Resident Inspector USNRC Project Manager

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VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 03-10 FOR THE MONTH OF OCTOBER 2003

OPERATING DATA REPORT DOCKETNO.50-271 DATE 031110 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name:

Vermont Yankee

2. Reporting Period:

October

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 last report, give reasons:

3 through 7) since

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

N/A

10. Reasons for restrictions, if any:

N/A This Month

11. Hours in Reporting Period 745.00

12. Number Of Hours Reactor was Critical 699.22

13. Reactor Reserve Shutdown Hours 0.00

14. Hours Generator On-Line 683.08

15. Unit Reserve Shutdown Hours 0.00

16. Gross Thermal Energy Generated(MWH) 1075397.90

17. Gross Electrical Energy Generated(MWH) 369409.00

18. Net Electrical Energy Generated(MWH) 353639.00

19. Unit Service Factor 91.69

20. Unit Availability Factor 91.69

21. Unit Capacity Factor(Using MDC Net) 93.08

22. Unit Capacity Factor(Using DER Net) 90.94

23. Unit Forced Outage Rate 8.31

24. Shutdowns scheduled over next 6 months(Type, Date, Each:

N/A Yr-to-Date Cumulative 7296.00 273457.80 7188.39 230337.22 0.00 0.00 7148.91 226662.69 0.00 0.00 11275747.63 343656164.44 3852734.00 115433664.00 3676919.00 109859278.00 97.98 82.89 97.98 82.89 98.82 79.45 96.55 77.83 1.70 3.87 and Duration of

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.FO1.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 031110 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH October DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net)

1.

0

17.

527

2.

0

18.

527

3.

208

19.

527

4.

466

20.

527

5.

498

21.

527

6.

523

22.

527

7.

525

23.

528

8.

526

24.

527

9.

524

25.

527

10.

521

• 26.

528

11.

519

27.

528

12.

518

28.

527

13.

521

29.

526

14.

523

30.

523

15.

527

31.

527

16.

528

• 25 hour day 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.FO1.18V

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH OCTOBER DOCKET NO UNIT NAME DATE COMPLETED BY TELEPHONE 50-271 Vermont Yankee 031110 G.A. Wallin (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 03-11 030929 F

61.92 A

1 N/A CB VALVEX Manual shutdown for "B' Manual recirculation pump seal (cont) replacement.

1 F: Forced S: Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training and License Examination F-Administrative G-Operational Error (Explain)

H-(Explain) -

3 Method:

4 1 - Manual 2 - Manual Scram 3 -

Automatic Scram 4 -

Other (Explain)

Exhibit G-Instructions for Preparation of Data-Entry Sheets for License Event Report (LER) File (NUREG 0161) 5 Exhibit I -

Same Source VYDPF 0411.03 DP 0411 Rev. 8 Page 1 of 1

DOCKET NO. 50-271 DATE 031110 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH October

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 90.6% of rated thermal power for the month.

Gross electrical generation was 369,409 MWHe or 90.8% 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 00.0%

of rated thermal power.

031002 At 2147 hours0.0248 days <br />0.596 hours <br />0.00355 weeks <br />8.169335e-4 months <br />, the reactor was critical following "B" recirculation pump seal replacement.

(See Unit Shutdowns and Power Reductions) 031003 At 1355 hours0.0157 days <br />0.376 hours <br />0.00224 weeks <br />5.155775e-4 months <br />, the turbine-generator was phased to the grid.

031003 At 1838 hours0.0213 days <br />0.511 hours <br />0.00304 weeks <br />6.99359e-4 months <br />, began a return to full power.

At the end of the reporting period the plant was rated thermal power.

operating at 99.9% of VYDPF 0411.04 (Sample)

DP 0411 Rev. 8 Page 1 of 1 RT No. 13.FO1.18X