ML20093F662

Monthly Operating Rept for June 1984

ML20093F662
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	06/30/1984
From:	Burger F, Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
VYV-84-343, NUDOCS 8407230058
Download: ML20093F662 (7)

Text

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m. w + OPERATING DATA REPORT ~ DOCKET NO, 50-271 .c DATE 840710 f]- . s p COMPLETED BY FJ Burster TELEPHONE (802) 257-7711 s 4 s.. g ~;DPt,MTING-STATUF., ~ Notes 15 Unit-Name: \\ermont Yankee 4 A. 2. Repo' sting (Period: y June s

3. LicAssed thermal Power (Wt):

1593 '4. Nameplate RatiMdross;We): 540'

5. Des'ign Elect'eical Rating (Net MWe): 514 (OC) 504 (cci

~ A 6. Maximum Depend'able capacity (Cross We): 535 h}7.)drimumDependableCapacity(NetMWe): 504 ,J8x If Changes Occur in Capacity Ratings (Items Number 3 Through 7)Since Last Report, Give Reasons: N/A ( 9; Power Level to' Which Restricted If Anv(Net We): N/A ' 10.['it::asons For Restrictions, If Any: N/A y. a -7,, 'O v This Month Yr-to-Date Cumulative u T ~ ' IL. Hours In Reportiag Period 720.00 4367.00 b.NumberC[HoursReact$rWasCritical 359.73 1RR6_A1 nuns nr, Y3.ncactor Reserk Shutdown Hours 0.00 0.00 b.0b 14,. M6u,ts Generator On-Line 357.82 3854.I'9 81346.77 i

15. Unit Recerve Shutdown Hours.

n_nn n nn 9,99

16. Gross Thdrmal Energy GeneraEed(WH) 527956.50 5932771.50 118093451.00

,17.-Gross Elect. hic'al Energy Generated (MWH)' 177410.00 2012268.00 39305346.00 (18.NatElectricciEn[rgyGenerated(MWH) 169078.00 1928790.00 37293806.00

19. Unit, SeIrvice Factor 49.70 88.26 78.80 (20.. Unit'Avsilability Factor 49.70 88.26 78.80

21. Unit Capacity factor (Using MDC Net) 46.59 87.63 71.68

22. Unit capacity Factor (Using DER Net) 45.69 85.93 70_?Q 23"y Unit Forced Antage Rate 0.00 3.76 7.21 24'. 'Shtstdowntt Scheduled over' Next 6 Months (Type, Date, and Duration of Each):

Refueling outage comraenced 6/15/84. b.IfShutDown,AtEndOfReportPeriod,EstimatedDateofStartup: 8/3/84 26.sUnits In Test Status (Prior to Commercial Operation): Forecast Achieved i,) INITIAL CRITICALITY INITIAL ELECTRICITY ,(. 's .m, IOMMERCIAL OPERATION ~ k., k sE ~' ,__m

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 840710 COMPLETED BY F.J. Burger TELEPHONE (802) 257-7711 MONTH June DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1. 491 17, 0 2. 496 18. 0 470 19, 0 3. 493 20. 0 4. 5. 490 21. O 6. 488 22. 0 7. 483 23. 0 8. 481 24. 0 9. 478 25. 0 10, 470 26. 0 472 27. 0 11. 0 469 28. 12. 0 464 29. 13. 0 459 30. 14, 341 15, 31. O 16. INSTRUCTIONS: list the average daily unit power level in MWe-Net for each day in On this format, the reporting month. Compute to the nearest whole megawatt.

UNIT S!!UTDOWNS AND POWER REDUCTIONS DOCKET NO 50-271 UNIT NAME vgrmnne ynny,, REPORT MONTH r,in, COMPLETED BY F..T. Burcer TELEPHONE (802) 257-7711 82 Y y Cause & Corrective m o License No. Date g gg g gg g S O$ .O $ $ %3 8.3 Prevent Recurrence gv y g g a: Report # a xu gu E g u 0 84-11 840603 S 0 B 4 N/A RB CONROD Power reduction for control rod exercise Power and other surveillance. Reducticn 84-12 840615 S 362.2 C 1 N/A N/A N/A N/A i F: Forced Reason: Method: 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 Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Other (Explain) (NUREC 0161) E-Operator Training & License Examination, _ F-Administrative Exhibit I - Same Source G-Operational Error (Explain) II-Other (Ex;> lain) 7/RO

NO I t T i C n e 1 A U e 1 k 7 E d n r 7 V 1 a e e I . 7 Y g 7 c T a 2 r 5 C l t u 2 E p 0 n 0 B R e 5 o 1 ) R R m 7 2 O r 0 J. 0 C 8 e 4 V 8 F ( ton Y T l O T E B E L l N I T N U i N A D O S T U D E H E w E T P R t K E E i n C L L O P E N nu U r D M T O O I C TCNU FLA s M tr E a P SU d A e C l E i C a N F ANETN IAM R D E A E B / T M N A U L N ER Y TEFAS E F C O N e A v8 E N i7 R E t3 U T c0 T N e - A I r4 N A r8 M oR CM r C o T As N Vs E He M r P mp I om U oo Q RC E l r oe rl tl ni oh CC

i-DOCKET NO. 50-271 UNIT vormmer vendo. 840710 DATE COMPLETED BY F.J. Burger (802) 257-7711 TELEPHONE REPORT MONTH June

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 46% of rated thermal power for the month. Gross electrical generation was 177410 MWH or 46% of 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 start of the reporting period the plant was operating at 96% of rated thermal power. 840603 At 0030 hours a power reduction was initiated for control rod exercising and surveillance testing. 840603 At 0417 hours a return to full power was started. 840615 At 1610 hours a manual shutdown was initiated for the annual refueling outage. 840615 At 2149 hours the generator was disconnected from the grid. 840615 At 2344 hours the reactor was sub-critical. At the end of the reporting period the plant was si..itdown and the refueling outage was in progress.

VERMONT YANKEE NUCLEAR POWER CORPORATION P. O. BOX 157 GOVERNOR HUNT ROAD VERNON, VERMONT 05354 VYV 84-343 July 10, 1984 U. S. Nuclear Regulatory Commission Director, Office of Management Information and Program Control Washington, D.C. 20555

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclect Power Station for the month of June,1984. Very truly yours, VERMONT YANKEE NUCLEAR POWER CORP. fw em-Warren P. rphy Vice Presi ent and Manager of Operations WPM:FJ8/pt:403.011.1 36V i ._}}