ML20210M445

Monthly Operating Rept for July 1997 for Myaps

ML20210M445
Person / Time
Site:	Maine Yankee
Issue date:	07/31/1997
From:	Stewart Bailey, Hebert J Maine Yankee
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
JRH-97-188, MN-97-93, NUDOCS 9708210402
Download: ML20210M445 (5)

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MaineYankee AttI ABLE ELECfhiCITY siNCE 1972

. 329 BATH ROAD

• BRUNOWICK, MAINE 04011 * (207) 7984100 August 14,1997 MN-97-93 JRH-97-188 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 - July 1997 Gentlemen:

Enclosed please find the July 1997 Monthly Statistical Report for Maine Yankee, if you have any questions, please do not hesitate to contact me.

Very truly yours, Q

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James R. Hebert, Manager Regulatory Affairs .t Enclosures ((d k c: Mr. Hubert Miller Mr. J. T. Yerokun Mr. Daniel H. Dorman Mr. Patrick J. Dostic Mr. Uldis Vanags 9708210402 970731 PDR R ADOCK 05000309 PDR 1397MNi9793.WPD (1b ,hf,hk l

OPERATING DATA REPORT Docket No.: 50-309 Date: 08/Aug/97 Completed By: S. J. BAILEY Telephone: 207-798-4241

1. Unit Name....................................... Maine Yankee

2. Reporting Per1od................................ July 1997

3. Licensed Thermal Power (HWt).................... 2700

4. Nameplate Rating (Gross HWe).................... 920

5. Design Electrical Rating (Net HWe).............. 870

6. Maximum Dependable Capacity (Gross HWe)......... 900

7. Maximum 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 1G. Reasons for Restrictions, if Any By NRC Confirmatory Order dated Jan. 3, 1996. Maine Yankee is restricted tq,2440 MWt. A new computer code for Small Break LOCA is beino evaluated at Maine Yankee to allow operation to 2700MWt THIS HONTH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 744.00 5.087.00

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 (HWH)........ 0.00 0,00 377.611.152.00

17. Gross Electrical Energy Generated (HWH)........ 0.00 0.00 124.570.384.00

18. Net Electrical Energy Generated (HWH)........ 0.00 0.00 119.543.416.00

19. Unit Service Factor...... 0.00 0.00 73.35

20. Unit Availabilty Factor.. 0.00 0.00 73.35

21. Unit Capacity Factor (Using HDC Net)........ 0.00 0.00 68.06

22. Unit Capacity Factor (Using DER Net)........ 0.00 0.00 66.64

23. Unit Forced Outage Rate.. 0.00 103.00 8.99

24. Shutdowns Scheduled Over Next 6 Honths: NONE

25. If Shutdown at End of Report Period, Estimated Date of Startup: 12/31/97

i AVERAGE DAILY UNIT PONER LEVEL .

FOR JULY 1997 Docket No.: 59-399 Unit: Maine Yankee Date: 98/Aug/97 Completed By: 8. J. BAILEY Yelephone: 207-798-4241 Day Avg. Daily Power Level Day Avg. Daily Power Level (HWe-Met) (MWe-Net) 1 .................... 9- 16 .................... 9 2 ....................

9 17 .................... 0 3 .................... e 18 .................... O F

4 .................... 9 19 .................... 9 5 .................... # 29 .................... e 1 6 .................... G 21 .................... 9 7 .................... # 22 .................... 9 8 .................... 4 23 .................... 8 9 .................... 0 24 .................... 9 10 .................... S 25 .................... 8 11 .................... 9 26 .................... 9 12 .................... e 27 .................... e-13 .................... 4 28 .................... @

14 .................... 4 29 .................... 0 15 ..................... 8 30 .................... 9 31 .................... 9 j

C 4

• Docket No: 58-399 Unit Names Maine Yankee Date: 98981997 Completed By: S.J. Bailey Telephones 247-798-4241 Report Month: July, 1997 NARRATIVE SUNNARY OF OPERATING EXPERIENCES Plant remained off-line'*the entire month due to a refueling outage.

1 9

UNIT SHUTOCENS AND PCCER REDUCTIONS Docket No.: 50-309 FOR JULY 1997 Unite Haine Yankee Date: 08/Aug/97

. Completed By: S. J. BAILEY Telephone: 207-798-4241 Pages 1 of 1 Number 07-97-15 Date 970212 l Type (1) l S I l

Duration (Hours) 744 Raason (2) C.

Nothod (3) ,

1 l LER # '

N/A l System Ccde (4) ZZ ccuponent Ccde (5) ZZZZZZZZ Plant off-line due to refueling outage that began 2/12/97.

CCuse and C0rrective AOtion

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. HETHOD: (LER) File (NUREG.0161)

B-Haintenance or Test 1-Hanual C-Refueling 2-;tanual Scram 5. COMPONENT CODE:

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

License Examination i

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