ML20195H035

Monthly Operating Rept for May 1999 for Monticello Nuclear Generatintg Plant.With

ML20195H035
Person / Time
Site:	Monticello
Issue date:	05/31/1999
From:	Paustian H, Voth M NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9906160253
Download: ML20195H035 (5)

Text

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l Northem States Power Company Monticello Nuclear Generating Plant 2807 West Hwy 75 Monticello. Minnesota 55362-9637 l

June 10,1999 1

i US Nuclear Regulatory Commission Attn: Document Control Desk l Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Subm!ttal of Monticello Monthly Operating Report for May,1999 l

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 May is provided.

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

6 Marcus H. Voth Project Manager - Licensing

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Nuclear Energy Engineering Dept.

c: Regional Administrator-111, NRC NRR Project Manager, NRC i Sr Resident inspector, NRC State of Minnesota Attn: Steve Minn J Silberg d

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9906160253 990531 /

PDR ADOCK 05000263 R PDR _

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. OPERATING DATA REPORT

. DOCKET NO. 50-263 l DATE 6- 1-99 i' COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 i

OPERATING STATUS

] Notes J 1.: Unit Name - Monticello ] ]

2.Rtportingheriod: May ] ]

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

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

5. Design Electrical Rating (Net MWe): 600.0 ) ]

6. - M2ximumzDependable Capacity (Gross MWe) : 605.1 ] ]

7. Mr.ximum Dependable Capacity,(Net MWe): 578.1 ] ]

8. If Changes Occur in Capacity Ratings (Itsms Number 3 Through 7) Since Last' Rsport, Give Reasons: N/A

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

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

11. Hours In Reporting Period 744 3623 244728 1:2. Number Of Hours Reactor Was - Critical 298.2 2998.1 200764.2

13. R3 actor Reserve Shutdown Hours 0.0 0.0 '940.7-

14. Hours Generator On-Line 276.6 2955.6 197551.5-

15. Unit- Reserve . Shutdown Hours 0.0 0.0 0.0

'16-. Gross Thermal Energy Generated (MWH) 460534 5186586 308567020 ,

17. Gross Electrical Energy Generated (MWH) 156512 1798271 104573012 1

18. Nnt Electrical Energy Generated (1603) 147832 1733798 100113782 i

19. Unit Service Factor- ~ 37.2% 81.6% 80.7%

20.-Unit-Availability Factor 37.2% 81.6% 80.7%

21. Unit Capacity Factor-(Using MDC Net) 34.4% 82.8% 76.1%

22'.' Unit Capacity Factor-(Using DER Net) 33.1% 79.8% 74.8%

23. Unit Forced Outage Rate'. 62.8% 18.4% 4.6%

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

_Not Reported i

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 l

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{

-AVERAGE DAILY UNIT POWER LEVEL

. . i DOCKET NO. 50-263 UNIT Monticello-1 DATE 6- 1 99 {

COMPLETED BY H. H. Paustian j TELEPHONE 612/295-5151 -

I

- MONTH OF May DAY' ' AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 -536. 17 -6.

2 588. 18 -6.

3 587. 19 -7.

4 588. 20 -6.

5. 586. 21 -7.

6- 588. 22 -6.

7 589. 23 -6.

i 8 329. 24 -6.

9 -6. 25 -7.

l 10 -6. -26 -7.

11 -7. 27 -9.

12 -7, 28 245.

13 -7. 29 490. 1 14 -6. 30' 577.

'15- -6. 31 580.

16 -6.

INSTRUCTIONS On this' format, list the average. daily unit power level in MWe-Net for each

'dny.in the reporting _ month. Compute to the nearest whole megawatt.

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j

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE

! DOCKET NO. 50-263 L - -

DATE 6- 1-99 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 MONTH. -MAY

, 05-01-99 l to Power operation.

05-08-99 05-08-99 Manual scram inserted in'reponse to Offgas System problems.

05-08 to. Outage to address Offgas System problems and maintenance.

05-28-99

.05-28-99 to Power operation.

05-31-99 Note: Power operation defined as essentially 100% of rated power except for weekend load drops for specified surveillance testing.

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