ML20005G796

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Monthly Operating Rept for Dec 1989 for Maine Yankee Atomic Power Station
ML20005G796
Person / Time
Site: Maine Yankee
Issue date: 12/31/1989
From: Hall S, Whittier G
Maine Yankee
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GDW-90-06, GDW-90-6, MN-90-02, MN-90-2, NUDOCS 9001230100
Download: ML20005G796 (4)


Text

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MaineYankee

O gu*aa eucmewon unmi suci im

' EDISON DRIVE. AUGUSTA, MAINE 04330. (207) 6224BC.B L

l I

January 5, 1990 i

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MN-90-02 GDW-90-06 i

UNITED STATES NUCLEAR REGULATORY COMMISSION Attentici:

Document Control Desk Washington, DC 20555

References:

(a)

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

(b)

NVREG-0020, Licensed Operating Reactor Status Summary Report I'

Subject:

Maine Yankee Monthly Statistical Report Gentlemen:

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

t Very truly yours, 3

}/h/1V G. D. Whittier, Manager i

Nuclear Engineering and Licensing 1

l SLH:WSD Enclosure c:

Mr. William T. Russell I-Mr. Eric J. Leeds Mr. Cornelius F. Holden l

l l

l GDW9006.LTR

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9001230100 891231 PDR ADOCK 05000309 R

PDC s \\

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4 OPERAT3HG DATA REPORT Docket No.:

50-309 Date:

04/Jan/90 Completed By:

S. L. HALL Telephone:

207-622-4868 1.-Unit Name.......................................

Maine Yankee

2. Reporting Period................................

December 1989

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

2700 4.

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

090

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

840

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

870

~

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

830 i

8..!f-Changes in Capacity Ratings (Items Number 3-7) l Since Last Report, Give Reasons:

NO CHANGES i

9. Power Level to Which Restricted, if Any (Net NWe)
10. Reasons for Restrictions, if Any i

THIS MONTH YEAR-To-DATE CUMULATIVE

11. Hours In Reporting Period 744.00 8,760.00

+

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

744.00 8,209 99 121.012.98

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

0.00 0.00 0.00

14. Hours Generator on-line..

744.00 8,129.94 117,672.43,_

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

0.00 0.00 0.00

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

1,945,589.00,_

21,139,888.00 272,212.601.00

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

658.130.00 7.175,850.00 89.264,210.00

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

637,688.00 6.941,706.00 85.429.880.00

19. Unit Service Factor......

100.00 92.81 78.34

20. Unit Availabilty Factor..

100.00 92.81 78.34

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

103.27 96.88 71.54

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

102.04 95.36 69.80

23. Unit Forced Outage Rate..

0.00 5.87 6.99

24. Shutdowns Scheduled over Next 6 Months Date Type Duration 4/07/90 Refuelina 8 weeks
25. If Shutdown at End of Report Period, Estimated Date of Startup:

N/A

s Docket No 50-309 Unit Mase:

Maine Yankee Date:

01-04 Completed By: S. L. Hall l

Telephone:

207-622-4868

- R3 port Months December, 1989 NARRATIVE

SUMMARY

OF-OPERATINO EXPERIENCES At1the beginning of the month the unit was reduced to 12% power for #2 fCCd reg valve repairs. The unit wss returned to 100% power on December lot.

On December 20th, the-unit was reduced to 77% power while verifying a g:nerator condition monitor alarm. The unit remained at that power level for repairs of the hydrogan' seal oil pump (P-51).

On December 21sti the unit was returned to 100% power.

4

i o

j 1

'MI

~

j AVERAGE DAILY UNIT POWER LEVEL-

'FOR DECEMBER 1989 i

Docket No.:

50-309 Unit:

Maine Yankee Date:

04/Jan/90 Completed By:

S. L. HALL j

Telephone:

207-622-4868

)

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Day Avg. Daily Power Level Day Avg. Daily Power Level-

]

(MWe-Net)

(MWe-Net) i i

1 671 16 871 r

22-869 17 871 3

870 18 870 l

t 4

870 19 870

S 867 20 720 6

871 21 849 7

868 22 870

+

8 870 23 871

?

I 9

869 24 870 10 869 25 869 11 871 26 868 12 869 27 869 lL 3 '

870 28 869 14--

871 29 864 1

15 868 30 865 31 864 L

4

'e

' UNIT SHUTDOWNS AND POWER REDUCTIONS DockOt No.:

50-309

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FOR DECEMBER 1989 Unit Maine Yankee Date:

08/Jan/90 Completed By:

S. L. HALL Telephone:

207-622-4868 Page 1 of 1 Number L.R. to 12%

L.

R.

to 77%

Dato' ll

'891201 l

891220 F

F l

Type (1)

_ll

'Durution (Hours) 0 0

ROason (2)

A lJ B

ll M3thod (3) l 4

l 4'

LER #

l N/A j

N/A l

System

-Code (4)

HH HA Cemponent PUMPXX Code (5)

VALVEX-E At the beginning Power was reduced of the month power to 77% while was reduced to 12%

verifying a for #2 feed reg, generator Couse and-valve repairs. The condition monitor Corrective unit was returned alarm. Repairs Action to 100% power.

were made to the hydrogen side seal oil pump (P-51).

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

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