ML20042F147

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Monthly Operating Rept for Apr 1990 for Vermont Yankee
ML20042F147
Person / Time
Site: Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date: 04/30/1990
From: Murphy W, Wallin G
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
VYV-90-139, NUDOCS 9005070284
Download: ML20042F147 (6)


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VERMONT YANKElc NUCLEAR POWER CORPOR ATION' P. O. BOX 157 GOVERNOR IIUNT ROAD VERNON, VERMONT. 05354 May 10, 1990 VYV 90-3 39

'U.S.. Nuclear Regulatory Commission

-ATTN ' Document Control P..sk Washington, D-C.

20555

Dear Si':

r Submitted herewith is the Monthl'y Statistical Report for the.

Vermont' Yankee Nuclear Power-Station for the month of-April, 1990.

Very truly;-yours, VERMONT YANKEE NUCLEAR' POWER-CORP.

Warren P.' Murphy..

Vice President and Manager of Operations cc:

1) USNRC Region I 475 Allendale Road King of Prussia, PA 19406
2) USNRC Resident Inspector, VYNPS DP 0411 Rev. 3 Page:1 of 1-9005070284 900430 i

PDR ADOCK 05000271' h

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VERMONT' YANKEE NUCLEAR: POWER STATION MONTHLY STATISTICAL REPORT-90-04'-

FOR THE MONTH'OF-APRIL,/1990 f

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DP 0411'Rev.~3 Page 1 of 1 l

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. OPERATING DATA REPORTJ

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' DOCKET NO.-

50-271-DATE 900510 COMPLETED BY G.A.

Wallin

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-TELEPHONE (802)257-7711 l

OPERATING STATUS l

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Unit-Names Vermont Yankee NOTES:

-2.-

ReportinhPeriod:

April 1

.3.

Licensed' Thermal Power (MWt):

1593~

4.

Nameplate Rating (Gross MWe):

540 5.=

Design Electrical Rating (Net MWe): 514(oc)-504(cc)

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Maximum Dependable Capacity (Gross MWe):oS35 7.J Maximum Dependable Capacity (Net MWe):

504-l 8.

If changesLoccur in capacity ratings (Items ~ Number 3 through 7)since j

last report, give reasons; 1

N/A 1

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

N/A l

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Reasons for restrictions, if any:

N/A u

This Month Yr-to-Date -Cumulative 11.

Hours In-Reporting Period 719.00 2879.00 12.

Number Of Hours Reactor was Critical 719.00 2749.52 123415.381 y

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Reactor Reserve Shutdown Hours 10.00!

0.00 0.001 14.

Hours Generator On-Line 719.00' 2671.61' 120648.68~

15.

Unit Reserve Shutdown' Hours

-0.00-

0,00-0.00-16.

Gross Thermal Energy Generated (MWH)1139133.50 1 ~200609.50 178210166.00 i

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Gross Electrical Energy Generated

__3 8 6 9 5 7. 0 0 l :1422112.00' 59376001.00

'18.

Net Electrical. Energy Generated (MWH)371531;00

-1363958.00 56379657.00 l

4 19.

Unit Service Factor'

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100.00 92.80 78.17 -

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Unit Availability Factor 100.00-92.80' 78.17' i

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Unit Capacity Factor (Using MDC Net) 102.53 94.00' 72.48 22.-

Unit' Capacity Factor (Using' DER Net) 100.53 92.17 71.07 23.

Unit Forced Outage Rate 0.00 3.32 5.67 24.

Shutdowns scheduled over next-6 monihs(Type, Date, and Duration of 1

Each):

1990 Refueling Outage scheduled.to begin on September 1,;1990 and conclude on October 13, 1990.

25.

It-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 R

INITIAL CRITICALITY INITIAL ELECTRICITY y

COMMERCIAL OPERATION

- VYDPF 0411.01 DP!0411.Rev. 3

'Page 1~of 1 RT No. 13.FO1.19F-

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AVERAGE DAILY UNIT' POWER LEVEL

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DOCKET NO.-

50-271' UNIT. Vermont Yankee.

' D A T E -- 900510 d

-COMPLETED'BY G.A.

Wallin TELEPHONE- (802)257-7711 1

MONTH

' April r

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-: DAY AVERAGE DAILYTPOWER LEVEL DAY AVE 2 AGE DAILY; POWER LEVEL

.(MWe-Net)'

'( MWe-Ne t ) !

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496 17.

520 2.

520 18 '.

519-3.'

521 19.

519 o

4.

522 20.

519 o

5.

519.

21.

5] 9, i (.

6, 519 22.

517

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.7.

520 23.

519 8.

516

-24.

-519 a

9.

520

.25..

518..

10.,

519

'26.

.519 J k 6T9 27.-

518' 11';

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p 112:.

519 28, 518

13.

519 29.

T75 4

-i 14.

520 30' 517 15.

494-31.

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~ 16 '.

520 23 hour2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br /> day

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! INSTRUCTIONS:

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,OncthisLformat, list the average daily unit' power level in'MWe-Net for; each ' day in the. rer : ting month.

Compute to the nearest whole.

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?VYDPF 0411.02'

-DP.0411 Rev.~3 r

Pegs'1.:of 1 RT:,No.n13.F01.18V i

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO S0-271' REPORT MONTH APRIL UNIT NARE vermont Yankee DATE 900510

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COMPLETED BT G.A.

Wallin-TELEPHONE (8029257-7711 1

2 Method of License system Component-Cause and Correctivt-y No.

Date Type Duration Reason Shutting Duun Event Code-Code Action to (hours)

Reactor

.3 Reports 4

5 Prevent Recurrence None 1

F: Fotcod 2 Reason:

3 Method:

4 Exhibit C-Instructions 5: 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-Autcastic Scram. Event Report-(LER) File D-Regulatory Restric' tion 4-Other-(Explain)-- (NUREG 0161)'

E-Operator Training and License Examination F-Administrative '

5. Exhibit I - Same Source VTDPF 0411.03 G* Operational Error (Explain)

-DP 0411 Rev. 3 H-(Explain)

Page 1 of 1 e

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DOCKET NO. 501271'~

il UNIT Vermont Ynnkwi 4

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s DATE 900510-

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COMPLETED'BY G.A.

Wallin TELEPHONEi(802)257-7711~

p REPORT' MONTH' April!

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SUMMARY

OF OPERATING EXPERIENCES

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-High)ights.

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,Varmont Yankee operated at 99.5%-of-rated: thermal power for~the-m6 nth..

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Gross electrical generation:was-386,957-MWHe or'99.7%-design. electrical:

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Jcapacity.

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Tha following-is a chronological: description of plant operations including.

j other pertinent-it. ems of: interest for'the month:

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At the begipning of the reporting period the'. plant was-operating at'9'5.1%

of. rated. thermal power.:- 4 r

'There'were no.reportableLitems of'. interest this month.

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~At the end of the reporting period the plant was operatin~g at 99.7%'of

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rated thermal power.

i VYDPF 0411 04 DP~0411 Rev. 3 I

-Page 1 of.l-RT No.-13.FOl'.18X j

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