ML020580191

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January 2002 Monthly Operating Report for Vermont Yankee Nuclear Power Station
ML020580191
Person / Time
Site: Vermont Yankee File:NorthStar Vermont Yankee icon.png
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):
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 744.00
12.

Number Of Hours Reactor was Critical 744.00

13.

Reactor Reserve Shutdown Hours 0.00

14.

Hours Generator On-Line 744.00

15.

Unit Reserve Shutdown Hours 0.00

16. Gross Thermal Energy Generated(MWH) 1180277.80
17. Gross Electrical Energy Generated(MWH) 407817.00
18. Net Electrical Energy Generated(MWH) 392352.00
19. Unit Service Factor 100.00
20. Unit Availability Factor 100.00
21. Unit Capacity Factor(Using MDC Net) 103.40
22. Unit Capacity Factor(Using DER Net) 101.00
23. Unit Forced Outage Rate 0.00
24.

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

N/A 3 through 7) since N/A Yr-to-Date Cumulative 744.00 254952.00 744.00 215859.42 0.00 0.00 744.00 212290.44 0.00 0.00 1180277.80 321370361.41 407817.00 107837406.00 392352.00 102612095.00 100.00 82.20 100.00 82.20 103.40 78.70 101.00 77.10 0.00 4.07 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.

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 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 020208 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 1

02-01 020109 5

0.00 H

4 N/A RB CONROD Rod pattern adjustment.

Power Reduction

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 rated thermal power.

operating at 99.9% of VYDPF 0411.04 (Sample)

DP 0411 Rev.

7 Page 1 of 1 RT No.

13.FO1.18X