BVY-99-001, Monthly Operating Rept for Dec 1998 for Vermont Yankee Nuclear Power Station

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Monthly Operating Rept for Dec 1998 for Vermont Yankee Nuclear Power Station
ML20206P595
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 12/31/1998
From: Balduzzi M, Wallin G
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-99-001, BVY-99-1, NUDOCS 9901120240
Download: ML20206P595 (6)
v • d • e


Text

t i 4 IiVERMONT YANKEE NUCLEAR POWER CORPORATION O '-

P.O. Box 157. Governor Hunt Road Vernon, Vermont 05354-0157 l1 l

{ , (802) 257-7711 L .

l January 11,1999 BVY-99-001 United States Nuclear Regulatory Commission

' ATTN: Document Control Desk Washington, D C. 20555

Reference:

(a) - License No. DPR-28 (Docket No. 50-271) kn 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 December.1998, Sincerely, VIRMONT YANKEE NUCLEAR POWER CORPORATION

/$Y Yckt 4' Michael A. Balduzzi H Plant Manager i

f ,

cc: USNRC Region I Administrator

.USNRC Resident Inspector - VYNPS USNRC Project Manager - VYNPS ,

//

Vermont Department of Public. Service

/ L!'

l 9901120240 931231 ~7 i ^

'$DR AMCK 05000271; PDR l

l l

VERMONT YANKEE NUCLEAR POWER STATION I I

MONTIILY STATISTICAL REPORT 98-12 l 1

FOR THE MONTH OF DECEMBER 1998 1i o

I

... . . ~ ~ . _ - - - - - . - . - . -

t l( .L OPERATING. DATA REPORT l DOCKET NO.50-271-DATE 990110 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit-Name: Vermont Yenkee

. . l

2. Reporting Period: December

.3. Licensed Thermal Power (MWt):1593

4. Nameplate' Rating (Gross MWe): 540
5. Design Electrical Rating (Net MWe): 522- ,

L .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 11ast report, give reasons:
9. Power level to which restricted, if any(Net MWe): N/A L10. Reasons for' restrictions, if any: N/A This Month .Yr-to-Date Cumulative
11. Hours in Reporting Period 744.00 8760.00 227904.00
12. Number Of Hours Reactor was Critical 744.00 6821.18 190201.16 i l '13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00 I

! 14. Hours Generator On-Line 744.00 6691.00 186724.00 l -- 15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 1183976.80 10305757.50 281079661.40
17. Gross Electrical Energy Generated (MWH) 408490.00 3518413.00 94042197.00
18. Net Electrical Energy Generated (MWH) 392951.00 3358696.00 89441451.00 1
19. Unit Service. Factor 100.00 76.40 80.80 20., Unit-' Availability Factor 100.00 76.40 80.80 L 21'. Unit Capacity Factor (Using MDC Net) 103.60 75.20 76.70
22. Unit Capacity Factor (Using DER Net) 101.20 73.50 75.10 l
23. Unit Forced Outage Rate 0.00 3.77 4.53
24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of I Each:
25.LIf: 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 l

t VYDPF 0411.01 (Sample) l_ DP 0411,,Rev. 7

Page 1 of 1
. RT No. 13.F01.19F p -' w -w r p. , w. m - .m , .- ..g-w-*

~. . . . .- .- -- . .- _.

. AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 990110 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 i

MONTH December )

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) l 1. 529 17. 528 i l

I

2. 529 18. 528
3. 529 19. 528 i l
4. 529 20. 528
5. 529 21. 528 )

l

6. 529 22. 528 l I

l

7. 528 23. 528
8. 528 24. 528 1
9. 528 25. 528  !
10. 528 26. 528
11. 528 27.

528 l

12. 528 28. 528
13. 529 29. 527
14. 528- 30. 528
15. 527 31. 528
16. 528 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

UNYT SHUTDOWNS AND POOER REDUCTIONS REPORT MONTH DECEMBER DOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 990110 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 (None) 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) -

DOCKET NO. 50-271 DATE 990110 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH December

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont' Yankee operated at 99.9% of rated thermal power for the month.

Gross' electrical generation was 408,490 MWHe or 100.6% 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 99.8%

of rated thermal power.

There were no items of interest to report for this month.

r 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.F01.18X

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