ML20138B149

Monthly Operating Rept for Mar 1997 for Maine Yankee

ML20138B149
Person / Time
Site:	Maine Yankee
Issue date:	03/31/1997
From:	Stewart Bailey, Hebert J Maine Yankee
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
JRH-97-88, MN-97-56, NUDOCS 9704290085
Download: ML20138B149 (5)

Text

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j MaineYankee RELI ABLE ELECTRICITY SINCE 1972 329 BATH ROAD + BRUNSWICK, MAINE 04011 + (207) 798-4100 i

I April 22,1997 MN-97-56 JRH-97-88 I

UNITED STATES NUCLEAR REGULATORY COMMISSION Attention: Document Control Desk Washington, DC 20555

References:

(a) License No. DPR-36 (Docket No. 50-309)

(b) NUREG-0020, Licensed Operating Reactor Status Summary Report

Subject:

Maine Yankee Monthly Statistical Report - March 1997 Gentlemen:  :

Enclosed please find the March 1997 Monthly Statistical Report for Maine Yankee.

If you have any questions, please do not hesitate to contact me.

Very truly yours, o/ -

M - M  ;

James R. Hebert, Manager Regulatory Affairs Department SJB -

9704290085 970331 P Enclosures PDR ADOCK 05000309 R PDR _

c: Mr. Hubert Miller Mr. J. T. Yerokun Mr. Daniel H. Dorman Mr. Patrick J. Dostie I Mr. Uldis Vanags I l o $ E. t h l e0019 ll ll ll I.ll.Il.li.l ll

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OPERATING DATA REPORT Docket No.: 50-309

!j Date: 88/Apr/97 i

i Completed By: S. J. BAILEY Telephone 207-798-4241 4

! 1. Unit Name....................................... Maine Yankee 1 2. Reporting Period................................ March 1997

3. Licensed Thermal Power (HWt).................... 2700 l 4. Nameplate Rating (Gross HWe).................... 920

) 5. Design Electrical Rating (Net HWe).............. 870 j 6. Maximum Dependable Capacity (Gross HWe)......... 900 l 7. Maximum Dependable Capacity (Net HWe)........... 860

8. If Changes in Capacity Ratings (Items Number 3-7) j Since Last Report, Give Reasons

NO CHANGES i

9. Power Level to Which Restricted, if Any (Net HWe) 795 4 10. Reasons for Restrictions, if Any

By NRC Confirmatorv Order dated Jan. 3. 1996. Maine Yankee is i restricted to 2440 MWt. A new computer code for Small Break LOCA l is beino evaluated at Maine Yankee to allow operation to 2700HWt

!l THIS HONTH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 744.00 2.160.00

12. Number of Hours Reactor l Was Critical........... 0.00 0.00 163.902.19

13. Reactor Reserve Shutdown Hours.................. 0.00 0.00 0.00

14. Hours Generator On-line.. 0.00 0.00 159.020.30

15. Unit Reserve Shutdown Hours.................. 0.00 0.00 0.00

16. Gross Thermal Energy Generated (HWH)........ 0.00 0.00 377.611.152.00

17. Gross Electrical Energy Generated (HWH)........ 0.00 0.00 124,570,384 .

18. Net Ein;trical Energy I Ger$tated (HWH)........ 0.0e 0.00 119,543,416

19. Unit Service Factor...... 0.00 0.00 74.38

23. Unit Availabilty Factor.. 0.00 0.00 74.38

21. Unit Capacity Factor (Using HDC Net)........ 0.00 0.00 69.03

22. Unit Capacity Factor (Using DER Net)........ 0.00 0.00 67.57

23. Unit Forced Outage Rate.. 0.00 100.00 8.99

24. Shutdowns Scheduled Over Next 6 Honths:

Date Type Duration 2/12/97 Refuelina 8-31-97 Est.

25. If Shutdown at End of Report Period, Estimated Date of Startup: 8/31/97

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L AVERAGE DAILY UNIT POWER LEVEL FOR HARCH 1997 Docket No.: 50-309 Unit Maine Yankee Date: 08/Apr/97 Completed By: S. J. BAILEY Telephone: 207-798-4241 Dcy Avg. Daily Power Level Day Avg. Daily Power Level (HWe-Met) (HWe-Met) 1 .................... 0 16 .................... 0 2 .................... 0 17 ..................... 0 3 .................... 0 18 .................... 0 4 .................... 0 19 .................... 0 5 .................... 0 20 .................... O i 6 .................... 0 21 .................... O I 7 .................... 0 22 .................... 0 8 .................... 0 23 .................... 0 9 .................... 0 24 .................... O  ;

10 .................... 0 25 .................... 0 11 .................... 0 26 .................... O i

12 .................... 0 27 .................... 0 13 .................... 0 28 ..............,..... 0 14 .................... 0 29 .................... 0 15 .................... 0 30 .................... 0 31 .................... O

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Docket No: 50-309 Unit Name: Maine Yankee i

Date: 040897 Completed By: S.J. Bailey I

Telephone: 207-798-4241  ;

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. Report Month March, 1997 4

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES j Plant remained off-line the entire month due to a refueling outage.

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UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.: 50-309 FOR HARCH 1997 Unit: Maine Yankee Date: 08/Apr/97 ,

I Completed By: S. J. BAILEY l

, Telephone: 207-798-4241 Page: 1 of 1

]

I Number L.R. to 90.3% 07-97-15 Date ll 960124 '

970212 ll Type (1) H F j S ll l

Duration (Hours) 0 744 Reason (2) l D ll C H Hethod (3) H 4 j 1 H

LER # ll N/A ll N/A System

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Code (4) ZZ ZZ  !

I Component Code (5) ZZZZZZZZ ZZZZZZZZ By NRC Confirma- Off-line entire l tory Order, Maine month due to i Yankee is refueling outage I restricted to that began cause and 2400 MWTh until a 2/12/97.

Corrective new computer code Action is evaluated to allow operation at 2700 MWTh.

1. TYPE: 2. REASON: (cont) 4. SYSTEM CODE:

(F)orced F-Administrative Exhibit G-Instructions (S)cheduled G-Operational Error for Preparation of Data l H-Other (Explain) Entry Sheets for

2. REASON Licensee Event Report A-Equipment Failure 3. HETHOD: (LER) File (NUREG.0161)  ;

B-Haintenance or Test 1-Manual I C-Refueling 2-Manual Scram 5. COMPONENT CODE:

D-Regulatory Restriction 3-Automatic Scram Exhibit I-Same source E-Operator Training & 4-Other (Explain) as above.

License Examination