BVY-98-163, Monthly Operating Rept for Nov 1998 for Vermont Yankee Nuclear Power Station.With

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Monthly Operating Rept for Nov 1998 for Vermont Yankee Nuclear Power Station.With
ML20197J942
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 11/30/1998
From: Balduzzi M, Wallin G
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-98-163, NUDOCS 9812160037
Download: ML20197J942 (6)
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VERMONT YANKEE NUCLEAR POWER CORPORATION P O. Box 157, Govemor Hunt Road Vemon, Vermont 05354-0157 (802)257-7711  !

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December 10,1998 BVY-98-163 United States Nuclear Regulatory Commission ATrN: Document Control Desk Washington, D.C. 20555

Reference:

(a) License No. DPR-28 (Docket No. 50-271)

In accordance with section 6.7.A.3 of the Vermont Yankee Technical Specifications, submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of November.1998.

Sincerely, l

VERMONT YANKEE NUCLEAR POWER CORPORATION i

////!!ach/h -

Michael A. Balduzzi Plant Manager i

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cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRC Project Manager - VYNPS .

I Vermont Department of Public Service

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h j 9812160037 ADOCK991130 05000271 ,"'

PDR R PDR ;

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VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT %11 FOR THE MONTH OF NOVEMBER 1998 4

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OPERATING DATA REPORT DOCKET NO.50-271 DATE 981210 COMPLETED BY G.A. WALLIN-TELEPHONE (802)258-5414

~ OPERATING STATUS 1.' Unit Name: Vermont Yankee ,

l L2. Reporting Period: November i

13. Licensed Thermal Power (MWt):1593 l

4.-Nameplate Rating (Gross MWe): 540 l j

5. Design-Electrical Rating (Net MWe): 522 .;

,6. Maximum Dependable Capacity (Gross MWe): 535  ;

7. Maximum Dependable Capacity (Net MWe): 510 i l
8. . If changes,- occur in capacity rati igs (Itens Number 3 through 7) since I last report, give reasons:

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9. Power level to which restricted, if any(Net MWe): N/A
10. Reasona for restrictions, if any: N/A This Month Yr-to-Date Cumulative i
11. Hours in Reporting Period 720.00 8016.00 227160.00 '
12. Number Of Hours Reactor was Critical 720.00 6077.18 189457.16 )

.13.. Reactor Reserve Shutdown Hours 0.00 0.00 0.00  :

.14. Hours Generator On-Line 720.00 5947.00 185980.00 l

15. Unit Reserve Shutdown Hours- 0.00 0.00 0.00
16. Gross Thermal Energy Generated (MWH) 1144884.08 9121780.80 279895684.70  ;
17. Gross. Electrical Energy Generated (MWH) 395037.00 3109923.00 93633707.00 j 18.-Net Electrical Energy Generated (MWH) 380089.00 -2965745.00 89048500.00 i

'19. Unit Service Factor 100.00 74.20 80.70 1

20. Unit' Availability Factor 100.00 74.20 80.70 l

.21." Unit Capacity Factor (Using MDC Net) 103.50 72.50 76.60  ;

'22,?Jnit Capacity Factor (Using DER Net)- 101.10 70.90 75.00  ;

23.' Unit 1 Forced Outage Rate. 0.00 4.22 4.55

24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of .

Each:

25i 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

'f. COMMERCIAL OPEPATION i

VYDPF 0411.01 (Sample)

DP 0411 Rev. 7

, Page 1 of 1 4 E00 No. 13.F01.19F l!

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AVERAGE DAILY UNIT POWER LEVEL )

DOCKET NO. 50-271 UNIT Vermont Yankee DATE 981210 1 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH November DAY AVERAGE 1AILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 528 17, 528
2. 526 18. 529
3. 527 19. 529 t

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4. 528 20, 529 5, 528 21. 529
6. 527 22. 529
7. 528 23. 529
8. 528 24. 529
9. 528 25. 529
10. 514 26. 529
11. 528 27. 529
12. 528 28. 529
13. 528 29. 529
14. 528 30. 529
15. 528 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 l l

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UNIT. SHUTDOWNS'AND POWER REDUCTIONS. '*

REPORT MONTH NOVEMBER DOCKET NO'50-271-

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UNIT NAME-Vermont Yankee  ;

DATE 981210 COMPLETED BY G.A. Wallin-TELEPHONE (802)258-5414-

.i 1 2 3 4 5 No. Date Type- Duration Reason Method of License System Component Cause and Corrective I (hours) Shutting Event Code Code Action to Prevent i Down Report # Recurrence j Reactor i 98-10 981110 S 0.00 *H 4 N/A RB CONROD Rod pattern adjustment Power. .

Reduction 5

. i 1 F: Forced- 2 Reason: 3: Method: 4 Exhibit G- Instructions i S:. Scheduled A-Equipment Failure.(Explain)~

Lli- Manual- for Preparationjof{ Data I 5 s t <,--

B-Maintenance or Test' cr : -

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3 Manual Scram Entry"SheetsiforfLicense r C-Refueling  : ' 71 -3 ~- Automatic Scram Event Report';(LER)iFile '

D-Regulatory Restriction: 4 - Other (Explain) (NUREG 0161).

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E-Operator Training and , _ .

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. License Examination.. ' '

5 Exhibit I^ .Same. Source '

i VYDPF 0411.03 F-Administrative ' [' -

DP 0411 Rev. 7 G-Operational Error (Explain)

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

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., DOCKET NO. 50-271 DATE 981210 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH November

SUMMARY

OF OPERATING EXPERIENCES l Highlights Vermont Yankee' operated at 99.8% of rated thermal power for the month. j Gross electrical generation was 395,037 MWHe or 100.5% design electrical

capacity.

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Operating Summary

! The following is a chronological description of plant operations including

'other pertinent items of interest for the~ month:

Atfthe.beginning of the reporting period the plant was operating at 99.9%.

of rated thermal power.

981110 At 0142 hours0.00164 days <br />0.0394 hours <br />2.347884e-4 weeks <br />5.4031e-5 months <br />, initiated a power reduction to 75% power for a  !

- rod pattern adjustment. (See Unit Shutdowns and Power Reductions) 981110 At 0321 hours0.00372 days <br />0.0892 hours <br />5.30754e-4 weeks <br />1.221405e-4 months <br />, completed the rod pattern adjustment and began a return to full power.

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At the end of the reporting period the plant was operating at 99.9% of l rated thermal power. .

L VYDPF 0411.04 (Sample)

DP 0411 Rev. 7 Page 1 of 1 3

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