ML19347C939

Monthly Operating Repts for Feb 1981

ML19347C939
Person / Time
Site:	Prairie Island
Issue date:	03/01/1981
From:	Hunstad A NORTHERN STATES POWER CO.
To:
Shared Package
ML19347C932	List: ML19347C931 ML19347C939
References
NUDOCS 8103100361
Download: ML19347C939 (8)

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1 NARRATIVE SLM ARY OF CPERATI';G EXPERIENCE DCCKET NO. 50- 282 IJNIT Frairie Island No.1-DA!E 810301 COMPLrTED BY A. A. hunstad TELEPHONE 612-338- 1121 February 1981

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The unit was . in Load Follow operation this ::tonth; no shutdowns.

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• DAILY UNIT POWER OUTPUT DOC:GT NO. 50-282 L3IT Prairie Island No. 1 DATE 8103J1 COMPLETED BY A. A. Hunstad TELEPEONE 612-333- 1121 MONTH February 1981 DAY AVERACE LOAD MWe-Net DAY AVERAGE LOAD L'e-Net n

$ 1 520 17 481 s

j 2 520 18 502

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519 505 7 3 19 4 521 20 a34 f_

5 518 21 460

6. 515 22 520 7 492 23 517 3 518 24 521 9- 520 25 522 10 520 26 524 11 516 27 521 12 520 28 519 518 ,9 13 317 ~ 30 14 512 3; 15 514 16 Average loads above 503 2fie-Net are due to cooler condenser circulating water.

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OPERATING DATA REPORT DCCKET NO 50- 282 DATE 310301 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE 612-388-1121

1. Un.t Name: Prairie Island No.1 tes

2. Reporting Period: v.h rua ry iosi

3. Licensed Thermal Power (MWt): 1650 1

4 Nameplate Rating (Gross MWe): 593 t i

5. Design Electrical Rating (Net MWe): 530  :

6. Maxi =um Dependable Capacity (Gross MWe): 534 g 7. Maximum Dependable Capacity (Net MWe): 503 g S. If Changes Occur in Capacity Ratings (Items Nuc5er 3 Through 7) Since Last Report:

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[o 9. Power Level To Which Restricted, If Any (Net MWe):

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This Month Yr-To-Date Cumulative

11. Hou.s In Reporting Period 672 1416 63168

12. N :bar of Hours Reactor Was Critical 672.0 1416.0 49583.1

13. Reactor Reserve Shutdown Hours 9.0 0.0 5538.1 14 Hours Generator On Line 672.0 153.6.0 48406.6

15. Unit Reserve Shutdown Hours- 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1089462 2298978 75019659

17. Gross Electrical Energy Generated (MWH) 363620 767830 24249340

13. Net Electrical Energy Generated (MWH) 342834 723648 22669255

19. Unit Service Factor 100.0 100.0 76.6

20. Unit Availability Factor 100.0 100.0 76.6

21. Unit Capacity Factor (Using MDC Net) 101.4 101.6 71.3

22. . Unit Capacity Factor (Using DER Net) 96.3 96.4 67.7 __

23. Unit Forced Outage Rate 0.0 0.0 11.9 24 Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Zach):

Refueling, September 1981, 6 weeks

25. If Shut Down at End Of Repor: Period, Esti=ated Date of Startup:

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NARRATIVE SLW.ARY OF OPERATING EXPERIENCE DOCKET NO. 50- wc UNIT Prairie Island No.2-DATE 910301 OCMPLETED BYA. A. Hunstad TEI.EPHONE 612-388- 1121 i y,0373 February 198".

[ The unit was in coastdown operation this nonth. The cycle 5-6 refueling j outage began at 1918 on 2-21.

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DA**.Y '.3IT PC'4IR CL'*?C 20CKI No. 50- 306

!*NII Frairie Isi rd :0 2 DA I 510301 CCP.?LITID 3Y A. A. Huns:ac IILI?ECNI el2-333-1121 MCrH Februari 1981 J_AY AVERAGE LOAD Fa'e-Net DAY A'.*ERAGI LCAD ria-Ne:

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$ 1 509 17 463 a

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?  : 513 20 450 5 507 21 337 6 504 22 -15 7 509 23 4 3 506 24 -a 9 509 25 -3

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.Is3 503 ao la 501 30 15 481 31 16 475 Average loads 'above 500 INe-Ne: are due to eccler condenser cir:ula:ing as:er.

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OPERATI'IG DATA REPORT DOCKET NO 50-306 DATE 910301 COMPLETED BY A.A. Hunstad OPERATING STATUS TELEPHONE 612-388-1121

1. Unit Name: Prairie Island No. 2 February 1981 Notes

2. Reporting Period:

3. Licensed Thermal Power (MWt): 1650  !

t 4 Nameplate Rating (Gross MWe): 593  !

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5. Design Electrical Rating (Net MWe): 530 l

6. Maximum Dependable Capacity (Gross MWe): 531 g 7. Maximum Dependable Capacity (Net MWe). 500 g 8. If- Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:

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

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This Month Yr-To-Date Cumulative

11. Hours In Reporting Period 672 1416 34286 l

12. Number of Hours Reactor Was Critical 499.3 1243.3 47625.1

13. Reactor Reserve Shutdown Hours 0.0 0.0 1508.0 14 Hours Generator On Line 499.3 1243.3 46814,2

15. Uni: Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Ther=al Energy Generated (MWH) 803987 2020274 73119264

17. Gross Electrical Energy Generated (MWH) 260980 662310 23421250

18. Net Electrical Energy Generated (MWH) 244604 622499 21930402

19. Unit Service Factor 74.3 37.3 36.2

20. Uni: Availability Factor 74.3 37.8 86.2

21. Unit Capacity Factor (Using MDC Net) 72.8 37.9 30.8

22. Unit Capacity Factor (Using DER Net) 68.7 82.9 76.2

23. _ Uni: Forced Outage. Rate' O.0 0.0 4.1 24 3hutdewns Scheduled Over Nex: 12 Months (Type, Date and luration of Each):

. 25. If Sta: Down a: End of Report Period, Esti=ated Date of .itartup: 810404 4

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