ML20148R865

Monthly Operating Rept for Mar 1988

ML20148R865
Person / Time
Site:	Maine Yankee
Issue date:	03/31/1988
From:	Rivard D, Whittier G Maine Yankee
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
9813L-LMO, GDW-88-87, MN-88-42, NUDOCS 8804150111
Download: ML20148R865 (6)

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E Maine 9ankee

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Monthly Statistical Report i

fro r-Mar ch 1988 i

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l 8804150111 980331 1

DR ADOCK 05000309 y

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OPERATING DATA REPORT Dockot No.:

50-309 D to:

04/Apr/CC Completed Dy D.A.

Ri vard Telephone:

207-882-6321

1. Unit Name.......;...............................

Maine Yankee 2.

Reporting Period................................

_ March 1988

3. Licensed Therma) Power (MWt)....................

2630

4. Nameplate Rating (Gross NWe)....................

864

5. Design Electrical Rating (Net MWe)..............

825 6.

Maximum Dependable Capacity (Gross MWe).........

850

7. Maximum Dependable Capacity (Net MWe)...........

810 8.

If Changes in Capacity Ratings (Items Number 3-7)

Since Last Report, Give Reasons:

NO CHANGES 9.

Power Level to Which Restricted, if Any (Net MWe)

10. Reasons for Restrictions, if Any:

A THIS MONTH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 744.00 2.184.00

12. Number of Hours Reactor i

Was Critical...........

744.00 2.167.92 108.021.24

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

0.00 0.00

0. Qo,,

14 Houra Generator On-line..

744.00 2.154.78 104.909.86

15. Unit Reserve Shutdown Houru 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH)........

1.955.449.00 5.628.331.00 239.988.662.00 i

17. Gross Electrical Energy

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Generated (MWH)........

614.070.0Q_,

1.769.690.00__

78.658.420.00

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18. Net Electrical Energy l

Generated (MWH)........

594.059.00,

1.711.539.00 75.182.511.07_

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19. Unit Service Factor......

100.00 98.66___

77.8Q_

20. Unit Availabilty Factor..

100.00 98.66-_

77.8Q_

21. Unit Capacity Factor (Using MDC Net)........

98.50 96.75 70.3'

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

96.78 94.99 68.59 1

23. Unit Forced Outage Rate..

0.00 1.34 7.20

24. Shutdowns Scheduled Over Next 6 Months:

NONF_

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25. If Shutdown at End of Report Period, Estimated Date of Startup:

N/A 4

i Dockot No 50-309 l

Unit Nernet Maine Yankee Date:

04/04/08 l

Completed By:

D.A.

Rivard Tel eph one:

207-882-6321 1

Report Month: March, 1988 j

d NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES r

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At the beginning of the month, the unit was operating at 100% power.

I On 5 March, power was reduced to 87% to perform turbine valve and j

excess flow check valve testing.

The unit was returned to 100%

power later in the day.

The unit was operated at 100% power for the remainder of the month.

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AVdRAGE DAILY UNIT POWER LEVEL FOR MARCH 19"8 i

Docket No.:

50-309 Unita Maine Yankee Date:

04/Apr/88 Completed By:

D.A. Rivard Telephone 207-882-6321 Dcy Avg. Daily Power Level Day Avg. Daily Power Level (MWe-Net)

(MWe-Net) 1 797 16 799 2

797 17 797 3

798 18 802 4

795 19 800 5

784 20 801 6

796 21 799 l

7 797 22 801 8

801 23 799 9

799 24 800 t

10 799 25 800

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i 11 799 26 798 12 799 27 799 i

13 800 28 799 14 801 29 800 l

15 798 30 801 31 797 I

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UNIT SHUTDOWNS AND POWER REDUCTIONS Dockot No.:

50-309 FOR MARCH 1988 Unit:

. Maine Ycnkoo Date:

04/Apr/88 Completed By:

D.A. Rivard Telephone:

207-882-6321 Page:

1 of 1 Number Dete Type (1)

Duration (Hours)

Raeson (2)

Msthod (3)

LER #

System Code (4)

Component Code (3)

Cause and Corrective Action 1.

TYPE:

2. REASON: (cont) 4.

SYSTEM CODE:

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

Entry Sheets for 2.

REASON Licensee Event Report i

A-Equipment Failure

3. METHOD:

(LER) File (NUREG.0161)

I B-Maintenance or Test 1-Manual C-Refueling 2-Manual Scram 5.

COMPONENT CODE:

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

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License Examination i

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MaineYankee MLIABiE ELECTRCiv FOR MA:NE S'PvCE 19?2 EDISON DRIVE AUGUSTA, MAINE 04330 * (207) 62248f 8 h

l April 8,1988 l

HN-88-42 GDH-88-87 Office of Resource Management United States Nuclear Regulatory Commission Washington, D. C.

20555 Attention:

Document Control Desk

References:

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

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

Subject:

Maine Yankee Monthly Statistical Report i

l Gentlemen:

l Enclosed you will find the Monthly Statistical Report for the Haine Yankee Atomic Power Station for March,1988.

Very truly yours, MAINE YANKEE MM G. D. Whittier,$ n. :r Nuclear Engineer) g and Licensing GDH/bjp Enclosure cc: Mr. Richard H. Hessman Mr. Hilliam T. Russell i

Hr. Patrick H. Sears j

Hr. Cornelius F. Holden M

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9813L-LHO l

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