ML19211C908

Monthly Operating Rept for Dec 1979

ML19211C908
Person / Time
Site:	Prairie Island
Issue date:	01/01/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:
Shared Package
ML19211C906	List: ML19211C905 ML19211C908
References
NUDOCS 8001150337
Download: ML19211C908 (8)

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,"AF'tATTt.'. f fi'Ti'." 0" OPERi: rYG E".PERIENCE DOCKET Mo. 50-282 LTT.T Prei*in 7sland Nn. 1 DAT3 800101 Cf"'otETED DY A. A. Hunstad _

TEL?T"0NE 612-2C8-4767 o

S vq9tg DECEMBER 1979 es -

.

m The unit was in Load Follow operation this month. An outage was taken at 0029 on December 18th to repair a leaking feedwater sample tap; the unit was returned k

el to service at 0710 the same day. At 1310 on December 31st, an outage was taken

~

to repair a packing leak on an RTD bypass vent valve; t.~e unit was returned.to service at 1621.

1744 084 80 01150 537

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DAILY UNIT POWER OUTPl'T

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DOCKET NO. 50-282 UNIT Prairic Island No. 1

.

DATE 800101 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH DECEMBER 1979 DAY AVERACE LOAD MWe-Net DAY AVERACE LOAD MWe-Net

-

~

1 339 17 471 425 18 308

. 2

'

466 19 489 3

I' 486 20 490 4

.-

489 21 489 5

489 22 490 6

489 23 488 7

490 24 489 8

489 25 489 9

460 26 488 10 490 27 485 11 472 28 485 12 368 29 489 13 485 30 491 14 488 31 362 15 16 489 Average loads above 503 FMe-Net are due to cooler condenser circulating water.

1744 085

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OPERATING DATS REPORT DOCKET NO 50-282 DATE 800101 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE 612-388-4767

1. Unit Name: Prairie Island No. 1 Notes

2. Reporting Period: DECEMBER 1979

3. Licensed Thermal Power (W t): 1650

4. Nameplate Racing (Gross We): 593

5. Design Electrical Rating (Nct We): 530

6. Maximum Dependable Capacity (Gross MWe): 534 _ l ,

N 7. Maximum Dependable Capacity (Nea We) : 503 g 8. If Changes Occur in Capacity Rarings (Ttems Number 3 Through 7) Since Last Report:

$ Give Reason: _,

S

Power Level To Which Restricted. Tf Any (Pet We):

, 9.

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-

10. Reasons for Restrictions, if An't:_, _ , , , _ _

__

_ _ . . . . . _ . . .

This M> nth Yr-To-Date Co'. ulative Hours In Reporting Period 744 8760 52968 11.

12. Number Of Hours Reactor Was Crirical 744.0 6519.3 41206.4

13. Reactor Reserve Shutdown Hours 0.0 1076.8 5531.9

14. Hours Generator On Line ,_,

734.1 6406.3 40123.5

15. Unit Reserve Shutdoun Hours ,,_

0.0 , 0.0 0.0

16. Gross Thermal Energy Generated (WH) 1171117 _ 9798412 62078994

17. Gross Electrical Energy Generated (W n) ,,,369060 3122780 20153670

18. Net Electrical Energy Generated OM:) 345989 2910820 18839242

19. Unit Service Factor 98.7 73.1 75.8

20. Unit Availability Factor .__98.7 73.1 75.8

21. Unit Capacity Factor (Using MDC Net) _

92.5 66.1 _

70.7

22. Unit Capacity Factor (Using DER Net) _.

87.7 62 . 7 ,_ _

67.1

23. Unit Forced Outage Rate 0.0 19.2 _

13.7

'4. Shutdowns Scheduled over Next 12 Months (Type, Date and Duration of Ecch):

Refueling, Summer 1980, 5 weeks

25. If Shut Down at End Of Report Period, Estimated Date of Startup: t ~7 A A OSb

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UNIT S!!UTD0!$'N3 AND PO*3IR R235CTIONS DOOKEr N3.30-282 REPORT I!O?3TH DECDiBER 1979 "f*E CG}i?LETZD 3Y QO k

A. A. Hunstad _ _ _ _ _ . _ . _

TELZPH0:;Z 512-333-47o1

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,4 lc m ,  % [u Licensaa 3: u i t;ausa & Carcactiva Date 3. ' . i 2 5 38 Evant l f$ .$

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0 791218 S 6.7 B N/A N/A CH PIPEXX

• Shutdown to rep. sir a leak in a m l feedwater sample tap.

o 3

m 791231 S 3.2 B N/A CA VALVEX Shutdown to repair a packing leak N/A l lonanRTDbypassventvalve.

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F: Forced Reason Method: Exhibit C-In-S: Scheduled A-Equipment Failure (Expl.ain) 1-!!anisal structions for B-!!aintenance or Test 2-Manual Trip Preparation of C-Refueling 3 .htomatic Trip Data Entry Sheets

• D-Regulatory Restriction 4-Other (Explain) for Licensee Event N E-Operator Training & License Examination Report (LET) Fila A F-Administrative CPJREG-0161.)

A C-Oper ci aal Error ( M alain) 5

!!-Other (Enplain Exhibit 1 - h u P 222 CD CO N

.

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?'AprtA-'Tv7 e,tPNW' 07 0F.fuT t ce: TvrERIENCE MCKET t'n. 50-306 II:11T Pre $ rin Island No. 2 DAT3 800101 C"'IDLETED T.'f A.A Hunstad __

TELEPf!C:;S 612-200-4767 o

Mo*ITH DECEMBER 1979 h

.7 m The unit was in coastdown operation tha~ month. Cycle 4-5 refuleing is n.

p, scheduled for January 2, 1980.

-

pe an . . . wa

.

DAILY UNIT POWER OUTPUT DOCKET NO. 50-306 UNIT Prairic Island No. 2

.

DATE 800101 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH DECEMBER 1979 DAY AVERACE LOAD MWe-Net DAY AVERAGE LOAD M'Je-Net

.

516 17 488 1

514 18 487

. 1

.

.

514 19 481 3

'

4 508 20 479

.

513 21 475 5

514 22 472 6

514 23 468 7

515 24 468 8

397 25 460 9

507 26 456 10 499 27 455 11 503 28 445 12 495 29 438 13 493 30 433 14 491 31 427 15 16 487 Average loads above 500 ff4e-Net are due to cooler condenser circulating water.

)]44

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Ol'FRATING DAT*, PEPORT O

O U DOCKET NO 50-306 D DATE 800101 COMPLETED BY A.A. Hunstad OPERATING STATUS TELEPHONE 612-388-4767

1. Unit Name: Prairie Island No. 2 es

2. Reporting Period: DECEMBER 1979

3. Licensed Thermal Power (MWt): 1650

4. Nameplate Racing (Gross MWe): 593 1

5. Design Electrical Rating (Net MWe): 530

6. Maximum Dependable Capacity (Cross MWe): 531 _ [ ,

d 7. Maximum Dependable Capacity (Net MWe': 500 _

g 8. If Changes Occur in Capacity Ratings (Jtem<. Nitmher 3 Through 7) Since Last Report:

$ Give Reason: _

.._

, 9. Power Level To Which Restricted, if Mv (Pet We): _

,__

9 10. Reasons for Restrictions, if Anr-

_ . . . _ . . . . . .

Th is M ' nth Yr-To-Dat.c Car iilative

11. Hours In Reporting Perfed 744 8760 44086

12. Number Of Hours Reactor Was Critical 744.0 8685.4 _ 39129.0

13. Reactor Reserve Shutdown Hours 0.0 27.3 1406.0

14. Hours Generator On Line , , , ,

744.0 8665.4 38401.0

15. Unit Reserve Shutdown Hours . . , _

0.0 ,

0.0 0.0

16. Gross Thermal Energy Generated (!NH) 1139812 13563218 59582503

17. Gross Electrical Energy Generated (Win ,,_

381180 4466390 19054130

18. Net Electrical Energy Generatei OWH) 357882 4193044 17838632

19. Unit Service Factor 100.0 98.9 87.1

20. Unit Availability Factor _100.0 98.9 87.1

21. Unit Capacity Factor (Using MDC Net) _,,

36.2 95.7 _

80.9

22. Unit Capacity Factor (Using DER Net) __

90.8 , 90.3 _ ,,

76.3

23. Unit Forced Outage Rate 0.0 0.6 _

4.9

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

Refueling, January 2, 1980. 5 weeks 2.i . If Shut Down at End Of Report Pcciod, Estimated Date of Startup:

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