ML20236V993

Monthly Operating Rept for Sept 1987

ML20236V993
Person / Time
Site:	Maine Yankee
Issue date:	09/30/1987
From:	Taylor J, Whittier G Maine Yankee
To:	Hartfield R NRC
References
9230L-LMO, GDW-87-235, MN-87-112, NUDOCS 8712070207
Download: ML20236V993 (5)

Text

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i OPERATING DATA REPORT Docket No.: 50-309 Date: 02/Oct/87 Completed By: J M. TAYLOR Telephone: 207-882-6321 1

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

2. Reporting Period................................ Seotember 1987 (

3. Licensed Thermal Power (MWt).................... 2630

4. Nameplate Rating (Gross MWe).................... 864

5. Design Electrical Rating (Net MWe).............. 825

6. Maximum Dependable Capacity (Gross MWe)......... 850

7. Maximum Dependable Capacity (Net MWe)........... 810 j 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) 93%

10. Reasons f or Restrictions, if Any:

Low oressure turbine THIS MONTH YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting' Period 720.00 6.551.00

12. Num,ber of Hours Reactor Was Critical........... 720.00 3.515.43 103.644.32

13. Reactor Reserve Shutdown 0.00 Hours.................. 0.00 0.00

14. Hours Generator On-line.. 720.00 3.206.39 100.546.08

15. Unit Reserve Shutdown Hours.................. 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH)........ 1.860.900.00 7.355.533.00 228.612.845.00_

17. Gross Electrical Energy Generated (MWH)........ 586.270.00 2.365.790.00 75.066.800.00

. 18. Net Electrical Energy Generated (MWH)........ 567.345.00 2.280.128.00 71.708.199.00

19. Unit Service Factor...... 100.00 48.95 77.02

20. Uni t Avail abilty Factor. . 100.00 48.95 77.73

21. Unit Capacity Factor (Using MDC Net)........ 97.28 ,_

42.97 69.46

22. Unit Capacity Factor (Using DER Net)........ 95.51 _

42.19 67.67

23. Unit Forced Outage Rate.. 0.00 29.65 7.46 24 Shutdowns Scheduled Over Next 6 Months: NONE

25. If Shutdown at End of Report Period. Estimated Date of St ar t uo : N/A 8712070207 G70930 PDR ADOCK 05000309 PDR R .

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EAVERMGE-DAILY UNIT POWER LEVEL ~

'FOR SEPTEMBER.1987 Docket No.: 50-309 Unit: ' Maine Yankee

. Date: 02/Oct/87 Completed'By: J.M. . TAYLOR Telephone: 207-882-6321

-Day Avg.. Daily Power. Level Day Avg. Daily Power Level (MWe-Net) (MWe-Net) 1 .................... 802- 16 ..................... 798 2

.................... 779 17 ..................... 794 3 .................... 790 18 .................... 795 4 .................... ~802 19 .................... 799 ,

5- . . . . . . . . . . . . . . . . . . . . - 794 20 .................... 796 16

. . . . . . . . . . . . . . . . . . . . - 799 21 .................... 799 7- .................... 801 22 ............'........- 798 i 8 .................... 799 23 .................... 638 9 .................... 802 24 .................... 617 10

..................... 803 25 .................... 801 11 .................... 804 26 .................... 805' 12- ....................- 804

'27 .................... 803 13 .................... 803 28 .................... .804 14 .................... 799 29 .................... 804

', 15 .................... 802 30 .................... 806 l

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UNIT SHUTDOWNS AND POWER REDUCTIONS Dockst No.: 50-309 FOR SEPTEMBER 1987 Unit: Maine Yankee Date: 06/Oct/87 l Completed By: J.M. TAYLOR  !

Telephone: 207-882-6321 Page: 1 of 1 Number L.R. TO 75%

Dnte 870923 Type (1) S Duration (Hours) O J '

Rrason C2) B M0thod (3) 1 LER # N/A System Code (4) HA Component Code (5) VALVEX-C REDUCED POWER FOR TURBINE VALVE, EFCV TESTING AND MUSSEL CONTROL.

Cruse and Corrective Action ,

1. TYPE: 2. REASON: (cont) 4. SYSTEM CODE:

(F)orced F-Administrative Exhibit G-Instructions (S)cheduled G-Oper ati on al Error for Preparation of Data H-Other (Explain) Entry Sheets for

2. REASON Licensee Event Report A-Equipment Fai. lure 3. METHOD: (LER) File (NUREG.0161)

B-Ma2ntenance or Test 1-Manual C-Refueling 2-Manual Scram 5. COMPONENT COCE:

D-Regulatory Restriction 3-Automatic Scram Exhib2t I-Same source E-Operator Training Sc 4-Other (Explain) as above.

License E::ami nati on 1

• Docket No 50-309 Unit Name: Maine Yankee Date: 02/DCT/87 Completed By: K.L. Embry

- Telephone: 207-882-6321 Report Month: September, 1987 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES At tha beginning of the month the unit was at 98% power.

On 23 September power was reduced to 75% for Turbine Valve and Excess Flow Check Valve Testing and f or performance of Mussel Control.

On 24 September commenced loading to 100% at 5% per hour.

On 25 September power stabilized at 100%.

At the end of the month pouer was at 100%.

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.,: e 'st .

MaineYankee RELnABLE ELECTRICITY FOR MAINE SINCE 1972 1

EDISON DRIVE '. AUGUSTA. MAINE 04330 .(207) 622 4868 - _

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-l October 8, 1987 HN-87-112 GDH-87-235 Office of Resource Management United States Nuclear Regulatory Commission Washington, D. C. 20555 Attention: Mr. Richard A. Hartfield, Chief Management Information Branch

References:

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

(b) NUREG-0020, Licensed Operating Reactors Status Summary Report

Subject:

'Haine Yankee Monthly Statistical Report Gentlemen:

Enclosed you will find the Monthly Statistical Report for the Maine Yankee Atomic Power Station for September,1987.

Very truly yours, ,

HAINE YANKEE h.hllv h.

G. D. Whittier, Manager Nuclear Engineering and Licensing GDH/bjp Enclosure-cc: Mr. Cecil 0. Thomas i Mr. Hilliam T. Russell Mr. Pat Sears l

Mr. Cornelius F. Holden 331gg .1 ORMh j -

Certified 3

$a4 9230L-LM0 L-_-________-______ . _ - - _ _