ML20141G287

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Monthly Operating Rept for Apr 1997 for Maine Yankee
ML20141G287
Person / Time
Site: Maine Yankee
Issue date: 04/30/1997
From: Stewart Bailey, Hebert J
Maine Yankee
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
JRH-97-139, MN-97-69, NUDOCS 9705220259
Download: ML20141G287 (5)


Text

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w-Mainel.ankee-NLIABLE ELECTRICITY SINCE 1972

' 329 BATH ROAD

  • BRUNSWICK, MAfNE 04h11 * (207) 7984100 -

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1 May 15,1997 MN-97-69 JRH-97-139 i

UNITED STATPS NUCLE AR REGULATORY COMMISSION L Attention:' Document Control Desk Washington, l>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 - April 1997 i

Gentlemen:

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

f

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

Very truly yours, i

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N 1*

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[bp James R. Hebert, Manager Regulatory Affairs l

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SJB-Enclosures c:

Mr. Hubert Miller Mr. J. T. Yerokun -

' Mr. Daniel H. Dorman.

.Mr. Patrick J. Dostie e

Mr. Uldis Vanags 9705220259-970430 PDR ADOCK 05000309 i f R

PDR J.;

llEll5,$ll,4 Ell

.2 2 0. 0 5 D,.;

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OPERATING DATA REPORT Docket No.:

50-309 Date:

15/May/97 Completed By:

S.

J.

BAILEY Telephone:

207-798-4241 1.

Unit Name.......................................

Maine Yankee 2.

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

April 1997 3.

Licensed Thermal Power (MNt)....................

2700 4.

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

920 5.

Design Electrical Rating (Net HWe)..............

870 6.

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

900

7. Maximus Dependable Capacity (Net HWe)...........

860 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 HWe) 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 is beino evaluated at Maine Ygnkee to allow operation to 2700HWt THIS HONYH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 719.00 2,879.00
12. Number of Hours Reactor was critical...........

0.00 0.00 363.902.19

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 0.00 377.611.152.00

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

0.00 0.00

__1 2 4. 5 7 0. 3 8 4. 0 0

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

0.00 0.00 119,543.416.00

19. Unit Service Factor......

0.00 0.00 74.11

23. Unit Availabilty Factor..

0.00 0.00 74.11

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

0.00 0.00 68.76

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

0.00 0.00 67.32

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 8/31/97

l 4

1 AVERAGE DAILY UNIT POWER LEVEL FOR APRIL 1997 i

Docket No.:

50-309 4

Unit Maine Yankee Date:

14/May/97 Completed By:

-S.

J.

BAILEY i

Telephone:

207-798-4241 Day Avg. Daily Power Level Day Avg. Daily Power Leve?

(HWe-Net)

(HWe-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 0

10 0

25 0

11 0

26 0

12 0

27 O

13 0

28 0

14 0

29 O

15 0

30 O

l 1

1

Docket No:

50-309 Unit Names Maine Yankee Date:

5-14-97 Completed By:

S.J.

Bailey Telephone:

207-798-4241 Report Month: April, 1997 NARRATIVN SUNNARY OF OPERATING EXPERIENCES Plant remained off-line the entire month due to a refueling outage.

l l

1 i

UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.:

50-309 FOR APRIL 1997 Unit Maine Yankee Date:

15/May/97 Completed By:

S.

J.

BAILEY Telephone:

297-798-4241 Page 1 of 1 Number L.R.

to 99.3%

97-97-15 l

Date

[

960124 1

970212 Type (1) ll F

ll S

[

(

Duration (Hours) 0 719 Reason (2) ll D

l C

[

Method (3) l 4

g 1

, 1 i

LER 4 h

N/A

[

N/A l

System Coder (4)

ZZ ZZ Component Code (5)

ZZZZZZZZ ZZZZZZZZ Limited to 2440 Off-line entire MNTh month due to refueling outage that began Cause and 2/12/97.

Corrective Action i

1.

TYPE:

2.-REASON: (cont) 4.

SYSTEM CODE:

(F)orced F-Administrative Exhibit G-InstructionsI (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.

METHOD:

(LER) File (NUREG.0161)l B-Haintenance 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

,