ML20082H965

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Monthly Operating Rept for Mar 1995 for Vermont Yankee Nuclear Power Station
ML20082H965
Person / Time
Site: Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date: 03/31/1995
From: Reid D, Wallin G
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-95-41, VY-RCE-95-009, VY-RCE-95-9, NUDOCS 9504180004
Download: ML20082H965 (6)


Text

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. VERMONT YANKEE L '.NUChEAR POWER CORPORATION l

P.O. Box 157, Governor Hunt Road

  • e g[

Vernon, Vermont 05354-0157

%y (802) 257-7711 l

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April 10,1995.

VY-RCE-95-009 BYY 95-41 U.S. Nuclear Regulatory Commission Attu:

Document Control Desk Washington, D.C. 20555

Reference:

a)

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

)

i In accordance with section 6.7.A.1, of the Vermont Yankee Technical l

Specifications, submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of March.1995.

Sincerely, Vermont Yankee Nuclear Power Corp.

s l

Donald A.~ Reid Vice President, Operations-cc:

USNRC Region I Administrator j.

USNRC Resident Inspector - VYNPS USNRC Project Mananger - VYNPS 3CChUO

-. 9504180004 950331 M

PDR. ADOCK'05000271

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3 VERMONT YANKEE NUCLEAR POWER STATION j

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MONTHLY STATISTICAL REPORT 95-03 i

FOR TIIE MONTII OF MARCII 1995 i

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DP 0411 Rev. 5 4

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OPERATING DATA REPORT DOCKET NO.50-271 DATE 950410 COMPLETED BY G. A.

WATLIN i

l TELEPHONE f802)257-7711 OPERATING STATUS

1. Unit Name:

Vermont Yankee 2.4 Reporting' Period:

March NOTES:

3. Licensed Thermal Power'(MWt):1593 4 '. Nameplate Rating (Gross MWe): 112 5.. Design Electrical Rating (Net MWe):- 514(oc) 504(cc)
6. Maximum Dependable Capacity (Gross MWe):

] ELE.

7. Maximum Dependable' Capacity (Net MWe):

121 1

8.

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 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 2160.00 19574'4.00

12. Number Of Hours Reactor was Critical 404.78 1820.78 161684.44

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13. Reactor Reserve' Shutdown Hours 0.00 0.00 0.00 j
14. Hours Generator On-Line 397.90 1813.90 158531.01
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00.)
16. Gross Thermal Energy Generated (MWH) 596247~.90 2840391.25 237010266.25 1
17. Gross Electrical Energy Generated 200840.00 962003.00 78999355.00 i
18. Net Electrical Energy Generated (MWH) 192519.00 923584.00 75086158.00
19. Unit Service Factor 53.48 83.98 80.99
20. Unit Availability. Factor 53.48' 83.98 80.99 21._ Unit Capacity Factor (Using MDC Net) 51.34 84.84 76.11
22. Unit Capacity Factor (Using DER' Net) 50.34-

-83.19 74.63

23. Unit Forced Outage Rate 0.00 0.00 4.91

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

1995 Refuelina Outaae beaan on March 17. 1995 and will last

-for a six week neriod.

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25. If shut down at end of report period, estimated date of.startup:950426 I
26. Units In Test = Status (prior to commercial operation): N/A

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Forecast Achieved i

INITIAL CRITICALITY

-INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 DP'0411 Rev. 5

Page 1 of 1 RT No. 13.F01.19F 4

AVERAGE DAILY UNIT POWER LEVEL DOCKET.NO. 50-271 i

UNIT Vermont Yankee DATE 950410 COMPLETED BY G.A.

WALLIN TELEPHONE (802)257-7711

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i MONTH March DAY AVERAGE DAILY' POWER LEVEL DAY AVERAGE DAILY POWER LEVEL l(MWe-Net)

(MWe-Net) 1.

500 17, 239 2.

498 18.

0

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3.

497 19.

0-4.

495 20.

0 5.

493 21.

O 6.

492-22.

0 7.

489 23.

0 8.

487 24.

0

'9.

485 25.

0 10.

483 26.

0 11.

482 27.

0 12, 480 28.

0 13.

479 29.

0 14.

477 30.

0 l

15.

474 31.

0

-16,

473 INSTRUCTIONS:

.On this format, list the average daily unit: power ~1evel in MWE-Net l

for each day in the reporting month.

Compute to the nearest whole negawatt.

VYDPF:0411.02 DP 0411 Rev. 5 Page 1 of 1 RT No. 13.F01.18V

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH MARCH DOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 950410 COMPLETED BY G.A.

Wallin TELEPHONE (8021257-7711 1

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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 95-02 950317 S

346.10

_B,C 1

N/A RB CONROD Shutdown for 1995 Refueling / Maintenance outage 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 VYDPP 0411.03 F-Administrative DP 0411 Rev. 5 G-Operational' Error (Explain)

Page 1 of 1 H-(Explain) -

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DOCKET NO. 50-271 DATE 950410 COMPLETED BY G.A.

WALLIN TELEPHONE (802)257-7711 a

REPORT MONTH March

SUMMARY

OF OPERATING EXPERIENCES Hichlichts Vermont. Yankee operated at 5fLJi of rated thermal power for-the month.

Gross electrical generation wa.s 200.840 MWHe or 50.0% design electrical capacity.

Ooeratina Summarv 3

The following is a chronological description of plant operations including other pertinent f.tems of interest.for the month:

At the beginning of the reporting period the plant was operating at 96.7%

of rated. thermal power,-and coasting down to the end of the cycle.

I 950317 At 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br />, a reactor shutdown was initiated.for the 1995-Refueling /Mbintenance outage.

(See Unit Shutdowns and Power Reductions) i j

950317 At 1354 hours0.0157 days <br />0.376 hours <br />0.00224 weeks <br />5.15197e-4 months <br />, the turbine-generator was removed from the grid.

j 950317 At 2047 hours0.0237 days <br />0.569 hours <br />0.00338 weeks <br />7.788835e-4 months <br />, the reactor was sub-critical.

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l At the end of the reporting period the plant was shutdown for the 1995 Refueling / Maintenance outage.

VYDPF 0411.04 i

DP 0411 Rev. 5 Page 1 of 1 RT No. 13.F01.18X

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