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Monthly Operating Rept for Mar 1980
	ML19305D303
Person / Time
Site:	Prairie Island
Issue date:	04/01/1980
From:	Hunstad A; NORTHERN STATES POWER CO.
To:	;
Shared Package
ML19305D300	List: ML19305D299; ML19305D303;
References
	NUDOCS 8004140344
	Download: ML19305D303 (8)
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r POCKET t:0 50 -282 I i.'117.T Preirin Island No. 1 DATE 800401

Cr!OT.ETFD P.Y A. A. Hunstad . - -

TET.Erf!ONE 612-3CP ~Jf 7

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DAILY UNIT POWER OUTPUT DOCKET NO. 50- 282 UNIT Prairie Island No. 1 DATE 800401 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH March 1980 DAY AVERACE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net

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1 357 17 Anx

. 2 479 18 482 L .

3 482 19 481 4 487 20 484 5 485 21 486 6 4 86 22 486 7 485 23 437 8 486 24 484 9 483 25 484 '

10 483 26 482 11 486 27 482 12 484 28 482 13 485 29 483 14 483 30 485 15 484 31 481 16 482 Average loads above 503 IMc-Net are due to cooler condenser circulating water.

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DOCKET NO 50- 282 DATE 800401 COMPLETED BY A. A. Hunstad ,

OPERATING STATUS TELEPHONE 612-388-4767

1. Unit Name: Prairie Island No. 1

2. Reporting Period: tes March 1980

3. Licensed Thermal Power (MWt): 1650

4. Nameplate Rating (Gross MWe): 593

5. Design Electrical Rating (Net MWe): 530

6. Maximum Dependable Capacity (Gross MWe): 534 U 7. Maximum Dependable Capacity (Net MWe): 503 g 8. If Changes Occur in Capacity Ratings (Irems Number 3 Through 7) Since Last Report:

E Give Reason:

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

i 10. Reasons for Restrictions, If Any:

This Month Yr-To-Date Cumulative

11. Hours In Reporting Period 7a4 21R4 _53152

12. Number Of Hours Reactor Was Critical 744.0 2052.9 43261.3

13. Reactor Reserve Shutdown Hours 0.0 0.0 5531.9 ;

14. Hours Generator On Line 744.0 2047.8 42171.3

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1208785 3328439 65407433

17. Gross Electrical Energy Generated (MWH) 378650 1048490 21202160

18. Net Electrical Energy Generated (MWH) 355732 983508 19822760*

19. Unit Service Factor 100.0 93.8 76.5

20. Unit Availability Factor 100.0 93.8 76.5

21. Unit Capacity Factor (Using MDC Net) 95.1 89.5 71.5

22. Unit Capacity Factor (Using DER Net) 90.2 85.0 67.8

23. Unit Forced Outage Rate 0.0 0.0 13.1 2

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

Befuelina. Summer 1980. 5 weeks

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

includes correction for previous error

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ry.mg: p_ct:gg.t J nce exrtnm:cs norxEr no. so- 306 Ci7.T restric Island No. 2 DATE 800401 CPtf"T.ETED r.Y A. A. Hunstad __

7 ELF"CO';E M 2-308-4767 o

[' M0'ITM March 1980

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" *the unit was base loaded at 100% power this month.

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DOCKET- No. 50- 306 UNIT Prairic Icland No. 2 DATE 800401 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH March 1980 DAY AVERACE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net 1 518 17 513 1 515 la 511 j

3 511 19 '506

[ 4 483 20 511 5 510 21 513 6 513 22 515 7 512 23 510 8 518 24 511 ,

9 512 25 514 to 515 26 511 11 516 27 509 12 513 28 509 13 515 29 510 14 515 30 409 15 512 31 508 16 510 Average loads above 500 MWe-Net are due to cooler condenser circulating water.

OPEPATING DATA REPOR_T

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DOCKET NO 50-306 DATE 800401 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE 612-388-4767

1. Unit Name: Prairie Island No. 2 es

2. Reporting Period: March 1980

3. Licensed Thermal Power (MWL): 1650

4. Nameplate Rating (Gross MWe): 593

5. Design Electrical Rating (Net MWe): 530

6. Maximum Dependable Capacity (Gross MWe): 531 N 7. Maximum Dependable Capacity (Net MWe): 500 g 3. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report 5 Give Reason:

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

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4 Reasons for Restrictions, If Any:

This Month Yr-To-Date Cumulative

11. Hours In Reporting Period 744 2184 46270

12. Number Of Hours Reactor Was Critical 744.0 1055.3 40184.3

13. Reactor Reserve Shutdown Hours 0.0 0.0 1406.0

14. Hours Generator On Line 744.0 1013.5 39414.5

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 i6. Gross Thermal Energy Generated (MWH) 1216287 1550737 61223240 * '

17. Gross Electrical Energy Generated (MWH) 400790 510400 19564530

18. Net Electrical Energy Generated (MWH) 377823 473220 18311852

19. Unit Service Factor 100.0 ,

46.4 85.2

20. Unit Availability Factor 100.0 46.4 85.2

21. Unit Capacity Factor (Using MDC Net) 101.6 43.3 79.2

, 22. Unit Capacity Factor (Using DER Net) 95.8 40.9 74.7

23. Unit Forced Outage Rate 0.0 0.9 4.8

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

Refuelinn. February 1981. 5 weeks

25. If Shut Down at End Of Report Period, Estimated Date of Startup: '

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ML19305D303

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