ML20141H269

Monthly Operating Rept for June 1997 for Maine Yankee

ML20141H269
Person / Time
Site:	Maine Yankee
Issue date:	06/30/1997
From:	Stewart Bailey, Hebert J Maine Yankee
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
JRH-97-171, MN-97-84, NUDOCS 9707220191
Download: ML20141H269 (5)

Text

l MaineYankee RELIABLE ELECTRICITY SINCE 1972

- 329 BATH ROAD = BRUNSWICK, MAINE 04011 + (207) 798-4100 July 15,1997 MN-97-84 JRH-97-171 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 - June 1997 Gentlemen:

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

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

Very truly yours,

/ ~

m NJames R. Hebert, Manager Regulatory Affairs Enclosures c:

Mr. Hubert Miller Mr. J. T. Yerokun Mr. Daniel H. Dorman Mr. Patrick J. Dostie Mr. Uldis Vanags g

9707220191 970630 (2(

I DR ADOCK 05 9

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OPERATING DATA REPORT Docket No.:

50-309 Date:

11/Jul/97 Completed By:

S.

J.

BAILEY Telephone:

207-798-4241

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

Maine Yankee 2.

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

June 1997 3.

Licensed Thermal Power (NWt)....................

2700 4.

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

92G

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

879

6. Nazimum Dependable capacity (Gross NWe).........

996

7. Nazimum Dependable Capacity (Net NWe)...........

868 8.

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

Since Last Report, Give Reasons:

NO CHANGES i

9.

Power Level to Which Restricted, if Any (Net NWe) 795

10. Reasons for Restrictions, if Any:

By NRC Confirmatory Order dated Jan.

3, 1996. Maine Yankee is restricted to 2440 MWt. A new computer code for Small Break LOCA 1s beino evaluated at Maine Yankee to allow operation to 2700MWt THIS MONTH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 720.00 4,343,00

12. Number of Hours Reactor 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 (MWH)........

0.00 a.00 377,611,152.00

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

0.00 0.00 124,570,384.00

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

0.00 0.00 119.543,416.00

19. Unit Service Factor......

0.00 0.00 73.60

20. Unit Availabilty Factor..

0.00 0.00 73.60

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

0.00 0.00 68.29

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

0.00 0.00 66.87

23. Unit Forced Outage Rate..

0.00 100.00 8.99

24. Shutdowns Scheduled Over Next 6 Months:

NONE

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

12/31/97

s AVERAGE DAILY UNIT POWER LEVEL POR JUNE 1997 Docket No.:

50-349 Unit Maine Yankee l

Date:

98/Jul/97 Completed By:

S. J. BAILEY Telephone:

297-798-4241

[

Day Avg. Daily Power Level Day Avg. Daily Power Leve.

(NWe-Net)

(NWe-Net) 1 0

16 0

2 0

17 0

3 0

18 0

4 0

19 0

5 0

20 0

6 0

21 0

7 0

22 0

8 0

23 0

9 0

24 O

le 0

25 0

11 0

26 0

12 0

27 0

13 0

28 0

14 0

29 O

I 15 e

se O

1 i

1

.. ~ -. - _. _.. -..

_ ~. - -.

i 3

1 i

4 i

Docket No:

50-3e9 Unit Names Maine Yankee l Date 7-8-1997 Completed By:

S.J.

Bailey Telephone:

2e7-798-4241

(

l Report Month: June, 1997 4

NARRATIVE

SUMMARY

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

l

i UNIT SHUTDOWNS AND PONNR RNDUCTIONS Docket No.:

50-349 FOR JUNE 1997 Unita Maine Yankee Date:

98/Jul/97 Completed By

8. J. BAILNY Telephone:

207-798-4241 Page:

1 of 1 Number 87-97-15 Date H

974212

]

[

Type (1) ll S

j H

2 Duration (Hours) 729 q

Reason (2) j C

l Method (3)

H 1

j H

LER #

l N/A l

[

f System Code (4)

ZZ 4

Component Code (5)

ZZZZZZZZ j

Plant off-line due to a refueling 1

outage that began 2/12/97.

Cause and Corrective l

Action 1

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)

I 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 (3xplain) as above.

License Examination