ML20246F770

Monthly Operating Rept for June 1989 for Maine Yankee Power Station

ML20246F770
Person / Time
Site:	Maine Yankee
Issue date:	06/30/1989
From:	Embry K, Taylor J, Whittier G Maine Yankee
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GDW-89-226, MN-89-90, NUDOCS 8907140027
Download: ML20246F770 (6)

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1 M.aineYankee REUABLE ELECTRICITY FOR MAINE SINCE 1972 b-EDISON DRIVE. AUGUSTA, MAINE 04330. (207) 622 4868 m

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July 7, 1989 MN-89-90 GDH-89-226 UNITED STATES' NUCLEAR REGULATORY COMMISSION Attention: Document Control Desk Hashington..D. C.

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 Gentlemen:

Enclosed you will find the Monthly Statistical Report for the Maine Yankee Atomic Power Station for June, 1989.

Very t'ruly yours, MAINE YANKEE bb My T

G. D. Whittier, Manager Nuclear Engineering and Licensing GDH:BPB Enclosure c: Mr. Richard H. Nessman Mr Hilliam T. Russell Mr. Patrick H. Sears.

Mr. Cornelius F. Holden 8907140027 890630 PDR. ADOCK 05000309 R

PDC

.03081-SLH-00041 p

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J Maine sankee Dh Q[

For June 1989 l

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OPERATING DATA REPORT Docket No.:

-50v309 L

Date:

'05/Ju]/09 Completed By:

J.'M.. TAYLOR

. Telephone:

207-882-6321

[

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

Maine Yankee 2.

Reporting Per1od................................

June 1989 3.

Licensed Thermal Power (MWt)....................

2630 4.

Nameplate Rating (Gross MWe).....................

864 i

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

825 l

6.

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

850 1

~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:

THIS MONTH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 720.00 4,343.00

12. : Number of Hours Reactor Was Critical...........

720.00 4,141.19 116,944.18

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

0.00 0.00 0.00

14. Hours Generator On-line..

720.00 4,088.04 113,630.53

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

0.00 0.00 0.00'

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

1,879,573.00 10,648,955.00 261,721,668.00

17. Gross Electrical Energy Generated (MWH)........

639,700.00 3,619,350.00 85,707,710.00

18. Net Electrical Energy Generated (MWH)........

619,922.00 3,494,899.00 81,983,073.00

- 19. Unit Service Factor......

100.00 94.13 77.94

20. Unit Ava11abilty Factor..

100.00 94.13 77.94 21.. Unit Capacity Factor (Using MDC Net)........

106.30 99.35 70.85

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

104.36 97.54 69.09

23. Unit Forced Outage Rate..

0.00 5.87 7.03

'24. Shutdowns Scheduled Over Next 6 Months:

NONE l

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

N/A

1+

6 g

Docket No:

50-309 Unit Name:

Maine Yankee Date:

07-05-89 Completed By:

K.L.

Embry Telephone:

207-882-6321 Report Month: June, NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES At the beginning of the month the unit was at 100% power.

On 2 June, power was reduced to 75% for turbine valve and excess flow check valve testing, and mussel control.

The unit was returned to 100% power.

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

1

.__-____-.-______--_-_----___-----_-O

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..-*i UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.:

50-309 FOR JUNE'1989 Unit:

Maine ~ Yankee Date:

06/Jul/89 Completed By:

.J.

M. TAYLOR Telephone:

207-882-6321' l

Page 1 of I l

L Number L. R. to'75%

I

?

Date 890702 Type'(1)

S f

]

Duration (Hours)

O fj Reason (2)

B fj

-Mathod '(3) 4 lj h-N/A l

h.

LER #

System

' Code (4)

HB i

Component Code (5)

VALVEX-C Power was reduced to 75% for turbine valve and excess flow check valve Cause and testing, and Corrective mussel control.

Action The unit was returned to 100%

power.

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 A-Equipment. Failure 3.

METHOD:

(LER) File (NUREG.0161)

B-Maintenance or Test 1-Manual 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

___-_--__-_____________-__-_-____--__-__-___a

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. ' A0Ek%GE DAILY UNIT POWER LEVEL

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FOR JUNE 1989 Docket No.:

50-309 Unit:

Maine Yankee i

L Date:

05/Jul/89 Completed By:

J. M.

TAYLOR Telephone:

207-882-6321 i

l Day Avg. Daily Power Level Day Avg. Daily Power Level (MWe-Net)

(MWe-Net) 1 867 16 868 2

680 17 868 3

855 18 869 4

865 19 871 5

869 20 865 6

868 21 870 7

869 22 866 8

867 23 868 9

869 24 868 10 868 25 868 11 867 26 872 12 870 27 863 13 867 28 866 14 870 29 870 15 864 30 864

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