ML19318A100

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Monthly Operating Repts for May 1980
ML19318A100
Person / Time
Site: Prairie Island  
Issue date: 06/01/1980
From: Hunstad A
NORTHERN STATES POWER CO.
To:
Shared Package
ML19318A098 List:
References
NUDOCS 8006180451
Download: ML19318A100 (8)
v • d • e


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DOCKET t:0. 50- 282 CIIT Prehin Island Na. 1 DAT3 800601 Cc!*TETED BY A. A. Him a tad TEIJ2EO::E 612-200-4767 o

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m The unit was in Load Follow operation this month. Power was limited the o

5 first few days of the month due to the license limitation on river AT.

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DAILY UNIT POWER OUTPUT DOCKET NO. 50-282 UNIT Prairie Island I;o. 1 i

DATE 800601 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH May 1980 DAY AVERACE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net e

1 443 17 467 i

E 2

416 18 467 5

3 432 19' 470

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460 20 478 a.

'5 398 21 4 77 6

464 22 476

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7 467 23 473 8

467 24 454 9

4 64 25 460 10 4 65 26 367 4

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11 467 27 466 12 466 28 465 13 466 29 467 14 465 in 465 I

15 470 31 429 j

16 466 I

Average loads above 503 !Me-Net are due to cooler condenser circulating water.

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DOCKET NO 50- 282 DATE 800602 COMPLETED BY A A. Funstad OPERATING STATUS-TELEPHONE 6:2-388-4767 1

1.

Unit Name:

Prairie Island No. I r

2.

Reporting Period:

May 1980 3.

Licensed Thermal Power (MWt):

1650 4.

Nameplate Rating (Gross MWe):

593 Design Electrical Rating (Net,LMe):

530 6.

Maximum Dependable capacity (Gross MWe):

534 N

7.

Maximum Dependable Capacity (Net MWe):

503 g

8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:

E Give Reason:

a:

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

' N! 10.

Reasons for Restrictions, If Any:

<._.b This Month Yr-To-Date Cumulative 11.

Hours In Reporting Period 744 3647

'56615

12. Number Of Hours Reactor Was Critical 744,0 3515.9 44724.3 13.

Reactor Reserve Shutdown Hours 0.0 0.0 5531.9 14.

Hours Generator On Line 744.0 3510.8 43634.3 15.

Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.

Gross Thermal Energy Generated (MWH) 1201936 5706058 67785052

17.. Gross Electrical Energy Generated (MWE) 362800 1773480 21927150 18.

Net Electrical Energy Generated (MWH) 339781 1663383 20502635

19. Unit Service Factor 100.0' 96.3 77.1 4
20. Unit Availability Factor 100.0 96.3 77.1

' 21. Unit Capacity Tactor (Using NDC Net)-

90.8 90.7 72.0

22. Unit Capacity Factor (Using DER Net) 86.2

_,86.1 68.3

23. Unit Forced Outage Rate 0.0 0.0 12.7 24.

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

Refueling, August 4, 1980, 8 weeks 25.

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

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DOCKET MO. 50- 106 UITIT Prei-jo. Island fM. 2 __

DATE g00601 CC!'?T ETED BY A-A.

Mim m end TELEPE0!;E 612-200-a767 o

>y MONTH May 1980 N

The unit was in Load Follow operation this month. Power was limited the n.

g first few days of the month due to the license limitation on river AT.

On May 19th an outage was taken to repair ths No. 2 seal on No. 22 Reactor Coolant Pump. The unit was returned to service at 1406 on May 23rd.

From 0053 to 0250 on May 29th an outage was taken to remove 2M transformer from service due to suspected internal faulting.

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DAILY UNIT POWER OUTPUT DOCKET No. 50- 306 UNIT Prairie Island No. 2 DATE 800601 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH May 1980 DAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net o

1 461 17 496 2

442 18 497 3

481 19 273

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413 20

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484 21

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490 22

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7 499 23 151 8

496 24 488 9

489 25 491 10 494 26

's96 11 493 27 494 12 494 28 484 13 498 29 306 14 498 30 494 15 499 31 497 16 495

. Average loads above 500 !!We-Net are. due to cooler condenser circulating water.

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OPERATING OATA RH02" DOCKET 50 50- 306 DATE 800601 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE 612-338-4767 1.

Unit Name:

Prairie Island No.

2 Notes 2.

Reporting Period:

May 1980 3.

Licensed Thermal Power (MWt):

1650 4.

Nameplate Rating (Gross MWe):

593 Design Electrical Racing (Net MWe):

530 6.

Maximum Dependable Capacity (Gross MWe):

531 N

7.

Maximum Dependable Capacity (Net MWe):

500 8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:

E Give Reason:

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9.

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

,,oi 10.

Reasons for Restrictions, If Any:

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This Month-Yr-To-Date Cumulative 11.

Hours In Reporting Period 744 3647 47733 12.

Number Of Hours Reactor Was Critical 653.2 2385.1 41514.1 13.

Reactor Reserve Shutdown Hours 0.0 42.4 1448.4 14.

Hours Generator On Line 646.2 2330.7 40731.7

15. Unit Reserve Shutdown Hcurs 0.0 0.0 0.0 16.

Gross Thermal Energy Generated (MWH) 1038769 3678667 63351170 17.

Gross Electrical Energy Generated (MWH) 329920 2969818 20244970 l

18.

Net Electrical Energy Generated (MWH) 308831 1111227.

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19. Unit Service Factor 86.9 63.9 85.3 20.

Unit Availability Factor 86.9 63.9 85.3

'21.

Upit Capacity Factor (Using MDC Net) 83.0 60.9 79.4

22. Unit Capacity Factor (Using DER Net) 78.3 57.5 74.9
23. Unit Forced Outage Rate 0.3 0.5 4.7 24.

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

Refueling, Feb. 1981, 6 weeks 25.

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

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UNIT ShTITDOWNS AND POWER REDUCTIONS DOCKET NO.

50- 306 UNIT NAME Prairie Island No. 2 REPORT MONTH May 1980 DATE 800601 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 ec%

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95.8 B

1 N/A N/A N/A Shutdown to repair No. 2 seal on c4 No. 22 RCP D

25 800529 F

2.0 B

N/A N/A N/A N/A Shutdown to remove 2M transformer from service I

1 F: Forced Reason Method:

Exhibit C-In-S: Scheduled A-Equipment Failure (Explain) 1-Manual structions for B-Maintenance or Test 2-Manual Trip Preparation of C-Refueling 3-Automatic Trip Data Entry Sheets D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Operator Training & License Examination Report (LER) File F-Administrative (nut (EC-0161)

C-Operational Error (Explain) 5 H-Other (Explain Exhib!.t 1 - Same Source '

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