ML20198L611

Monthly Operating Rept for Dec 1997 for Vynp Station

ML20198L611
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	12/31/1997
From:	Maret G, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-98-02, BVY-98-2, NUDOCS 9801160070
Download: ML20198L611 (6)

Text

_

z,L VERMONTLYANKEE-'

NUCLEAR-POWER CORPORATION, s

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! P.O. Box 157, Governor Hunt Road N

Vernon, Vermont 05354-0157

\\y,e (802) 257-7711

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January 10,-1998 BVY-98 f United States Nuclear Regulatory Commission

, ATTN:1 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 December.1997.

Sincerely, VER.

NT EENUCLEAR POWERCORPORATION L

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a.ct Plant dager cc:

USNRC Region I Administrator -

USNRC Resident Inspector - VYNPS USNRC Project Manager - VYNPS ii 9901160070 971231 i" PDR ADOCK 05000271 R

-PDR,

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T VERMONT YANKEE NUCLEAR POWER STATION MONTIILY STATISTICAL REPORT 97-12 FOR THE MONTH OF DECEMBER 1997 Figure II DP Stil Rev. 7 Page1 of1 4

OPERATING DATA REPORT DOCKET NO.50-271 DATE 980110 COMPLETED BY G.A.

WALLIN TELEPHONE (802)258-5414 OPERATING STATJJS

~1.

Unit Name-

-Vermont Yankee

2. Reporting Period:

' December

3. Licensed Thermal Power (MWt)':1593

4. Nameplate Rating (Gross MWe) : 51Q

5. Design Electrical Rating (Net MWe):

512

6. Maximum Dependable Capacity (Gross MWe):

511

7. Maximum Dependable Capacity (Net MWe):

512 8-If changes, occur in capacity ratings (Items Number 3 through 7) since.

last report, give reasons 9.

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

N/A

10. Reasons for restrictions, if any:

N/A This Month Yr-to-Date Cumulative

11. Hours in Reporting Period 744.00 8760.00 219144.Q2

12. Number Of Hours Reactor was Critical 744.00 8143.32 183379.98

13. ReLctor Reserve Shutdown Hours 0.00 0.00 0.0Q

14. Hours Generator On-Line 744.00 8360.00 180023.00

15. Unit Reserve Shutdown Hours 0.00 0. 0 0 __

0.00

16. Gross Thermal Energy Generated (MWH) 1173059.45 13126770.30 270773903.70

17. Gross Electrical Energy Generated 404690.00 4472362.00 90523784.00

18. Net Electrical Energy Generated (MWH) 389187.00 4266866.00 86082755.00

19. Unit Service Factor 100.00 95.40 81.20

20. Unit Availability Factor 100.00 95.40 81.20 al~. Unit Capacity Factor (Using MDC Net) 102.60 95.50 77.00

22. Unit Capacity Factor (Using DER Net) 100.20 93.30 75.50

33. Unit Forced Outage Rate 0.00 3.62 4.56

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

1998 Refuelino Outace scheduled to becin on March 21. 1998 and end on Anril 22. 1998.

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.F01.19F

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. AVERAGE DAILY UNIT POWER LEVEL)

E DOCKET NO 271' LUNIT. Vermont-Yankee.

-DATE 80110

' COMPLETED BY~

J. A ; WALLIN~ -

. TELEPHONE -(802)258-5414 1

MONTH:'pacember-

. DAY AVEl' AGE DAILY. POWER ~ LEVEL DAYJ AVERAGE DAILY POWER LEVEL

-(MWe-Net)

-(MWe-Net) 1 -.

E

>17.

528-

'2..

528 18.

528 L3.

523 19.

528

_4.

528' 20.

528

- S '..

529 21, 527

_6.

529' 22.

527

-7.-

528 23.

525 8.

528 24.

527 3-9.

525 25.

527 10, 528 26.

528 i

11.

528 27.

528 12.

-528 28.

c28

+

13, 528 29.

527 14.

528 30.

474

- 15.-

527 31, 528 16.

492

- INSTRUCTIONS:-_

n 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.

1;p i'

VYDPF.0411.02 (Sample)

DP'0411.Rev. 7 Par,e 1 of 1 RT No. 13.F01.18V 4

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, UNIT SHUTDOWNS AND-POWER REDUCTIONS

' DOCKET.NO-50-271*

REPORT MONTH-DECEMBER 1 UNIT NAME Vermont Yankee

DATE 980110 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 toiPrevent:

Down Report #

' Recurrence Reactor

97. 971230 LS 0.00 H

4 N/A RB CONROD-Power..-reduced for a Power rod pattern, adjustment

. Reduction 1-F: Forced.

2 Reason:

3 Method:

-4 Exhibit G-Instructions.

S: Scheduled A-Equipment Failure-(Expla

'1-. Manual ~.

.for. Preparation of' Data.

'EItry Sheets.for. License.

B-Maintenance or. Test 2-- Manual Scram C-Refueling 3 - Automatic' Scram Event Report--(LER) Fi] e; D-Regulatory' Restriction 4 - Other (Explain)

(NUREG:0161)

E-Operator Training and

. License Examination 5 Exhibit'IT Same: Source F-Administrative G-Operational Error (Explain) 4H-Explain - Rod Pattern Exchange VYDPF 0411.03D(Sample)/

DP 0411'Rev..".7 Page 11of l'

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! DOCKET:NO. 50-271"

..J-

-DATE-980110

. COMPLETED:BY' G.A. WALLIN TELEPHONE -(802)258-5414 g

x-

' REPORT MONTH December

SUMMARY

OF OPERATING EXPERIENCES Hichlichts 1

ivarmontiYankee' operated at"99.0%'of rated' thermal power-for the month.

LGross? electrical generation ~was-404.690 MWHe'orL99.6% design' electrical.

ccpacity.

H

Oceratina Summarv

, ;23 The following;is-a chronological description of plant operations including.

iother pertinent items of. interest for the month:

Atithe_beginning~of the: reporting period-the-plant was operating-at 91.0%

-of.ratedithermal power.

~971230 At 0210 hours0.00243 days <br />0.0583 hours <br />3.472222e-4 weeks <br />7.9905e-5 months <br />, initiated a power reduction to 75% for a Rod Pattern adjustment.

(See Unit shutdowns-and Power Reductions) 971230 AtLO352 hours, completed the Rod' Pattern adjustment, and began a' return-to fullLpower.

"Atithe.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.s13.FC1.18X

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