ML20216E703

Monthly Operating Rept for Aug 1999 for Monticello Nuclear Generating Plant.With

ML20216E703
Person / Time
Site:	Monticello
Issue date:	08/31/1999
From:	Paustian H, Voth M NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9909170069
Download: ML20216E703 (5)

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Ncrthern Stat:s P:wer Cempany Monticello Nuclear Generating Plant 2807 West Co. Rd. 75 Monticello, Minnesota 55362 9637 l

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September 7,1999 US Nuclear Rrlulatory Commission l Attn: Docum . - Control Desk Washington, X 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Submittal of Monticello Monthly Operating Report for August 1999 in accordance with Monticello Technical Specification 6.7.A.3, the report of operating statistics for the Monticello Nuclear Generating Plant for the Month of August is provided.

Please contact Marcus H. Voth, Project Manager - Licensing at (612) 271-5116 if you require further information.

Marcus H. Voth Project Manager - Licensing Nuclear Energy Engineering Dept.

c: Regional Administrator-lil, NRC NRR Project Manager, NRC Sr Resident inspector, NRC State of Minnesota Attn: Steve Minn J Silberg 9909170069 990831 PDR ADOCK 05000263 y R PDR - ,[i

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, OPERATING DATA REPORT 1

l DOCKET NO. 50-263 j DATE 9- 1-99 i COMPLETED BY H. H. Paustian  !

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TELEPHONE 612/295-5151 OPERATING STATUS

] Notes ]

1. Unit Name - Monticello ] ]

2. Reportingheriod: August ] ]

3. Licensed Thermal Power (MWt) : 1775- ] ]

4. Nameplate Rating (Gross MWe) : 613.0 ] ]

l S. Design Electrical Rating-(Net MWe): 600.0 ] ]

605.1 ] ]

6. Maximum

7. Maximum Dependable DependableCapaulty Capacity-((Gross MWe) :

Net MWe): 578.1 ] ]

8. If Changes _ Occur in Capacity Ratings (It ms Number 3 Through 7) Since Last

-Report, Give. Reasons: N/A l

9. Power Level To Which Restricted, If Any (Net MWe): N/A

10. Reasons For Restrictions, If Any: __N/A THIS MONTH YR.-TO-DATE CUMULATIVE

11. Hours In Reporting Period 744 5831 246936

12. Number Of Hours Reactor Was Critical 744.0 5206.1 202972.2

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

~14. Hours Generator On-Line 744.0 5163.6 199759.5

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1318913 9089342 312469776

17. Gross Electrical Energy Generated (MC3) 446575 3116799 105891540

, 18. Net Electrical Energy Generated (MWH) 426720 2994134 101374118

19. Unit Service Factor 100.0% 88.6% 80.9%

20. Unit Availability Factor 100.0% 88.6% 80.9% i

21. Unit Capacity Factor (Using MDC Net) 99.2% 88.8% 76.3%

22. Unit Capacity Factor (Using DER Net) 95.6% 85.6% 75.0%

23. Unit Forced Outage Rate 0.0% 11.4% 4.5%

24. Shutdowns Scheduled Over Next 12 Months (Type, Date, and Duration of Each)

_Not. Reported

25. If Shut Down At End Of Report Period, Estimated Date Of Startup:

26. Units In Test Status (Prior to Commercial Operation) : N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 1

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AVERAGE DAILY UNIT POWER LEVEL .

{j DOCKET NO. 50-263 i

UNIT DATE Monticello-9- 1-99 l COMPLETED BY H. H. Paustian  !

TELEPHONE 612/295-5151 1 I I 1'

l l MONTH OF August' j 1

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL l-

'(MWe-Net) (MWe-Net) 1 570. 17 577.

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2 568. 18 574.

3 571. 19 577.

1 4 568. 20 575.

5 574. 21 577.

6 566. 22 578.

l 7 -572. 23 574.

8 572. 24 576. ,

1 9 574. 25 574. l 1

10 572. 26 572.

11 571. 27 572.

l 12 573. 28 572. l l

13 575. 29 573.

14 576. 30 574.

15 578. 31 578.

16 576.

l l INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each doy in the reporting month. Compute to the nearest whole megawatt.

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<g .4 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50-263 DATE 9- 1-99 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 MONTH AUG 08-01-99

.to Power operation.

08-31-99 l

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Note: Power operation defined as essentially 100% of rated power except for weekend load drops for specified surveillance testing.

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