ML19289D751

Monthly Operating Rept for Feb 1979

ML19289D751
Person / Time
Site:	Prairie Island
Issue date:	03/12/1979
From:	Hunstad A NORTHERN STATES POWER CO.
To:
Shared Package
ML19289D750	List: ML19289D749 ML19289D751
References
NUDOCS 7903140319
Download: ML19289D751 (8)

Text

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'"iT_T Pr 'i - i n Island ?To. 1 nr" 790301 ~ ~

"" r T FS I"i A. A. Ilunstad _

~' r?"C:,'E 612-2Cf'. '767 o

c'j b""ITH February, 1979 _ _

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@ Operation this month was routine.

.n.-4 04 790314O$/7

pall.Y UNIi j',0WER OUTPUT DOCKET NO. 50-282 UNIT Prairie Island No. 1 DATE 790301 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTil__Feb ruary , 1979 DAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net

> 1 513 17 514 cE g 2 514 _ 18 514

-4 7 1 511 19 515 G

f 4 515 20 514 5 513 21 516 6 514 22 513 7 514 23 512 8 514 24 453 9 513 25 513 to 515 26 514 11 51; 27 515 12 __

515 _ - _ .

28 518 13 514 2) -

14 515 10 ,

li 514 _

31 -

1h 535 Average lo i ! a r.o ce 5031t1. -!,e t are due to cooler condenser circulating water.

OPERATING DATA REPORT DOCKE1 NO 50-282 DATE]7903[01 OPERATING STATUS COMPLETED in _A._ A._ Hun _stad TT:LEPliaN!: E 1- F

l. Unit Nane: _ Prairie Island No. 1 - - - -

2. Reporting Period: Februa rE1979 _

3. Licensed Thermal Power (MWt): 1650

4. Nameplate Rating (Gross FnJe): 593

5. Design Electrical Rating (Net FRJe): 530

6. Maxitum Dependable Capacity (Gross MWe): 534 3 7. Maximum Dependable Capacity (Net FMe): 503

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since ' 4t L

= Give Reason:

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

h 'O. Reasons for Restrictions, If Any: . . .

This Month Yr-To-Dat. Cm .u ' - i

11. If our r. In Reporting Period 672 1416 45624 1? *: umber of Hours Reactor Was Critical 672.0 1416.0 36105.1 L1. Reactor Reserve Shutdown llours 0.0 0.0 _.

4455.1

. Ours Generator On Line 672.0 1416.0_ _ . .

35133.2 1' F itt Reserve Shutdown liours 0.0_ 0.0 0.0 Jross Thermal Energy Generated (MWII) 1098392 2307205 54587787

!7 Gross Electrical Energy Generated (MWil) 364980 766090 17796980 19- Set Electrical Energy Generated (FMH) 344105 722000 16650432

19. Unit Service Factor 100.0 100.0 _ _ _

77.0

20. Unit Availability Factor 100.0 100.0 _

77.0

21. Unit Capacity Factor (Using MDC Net) 101.8 101.4 72.6

22. Unit Capacity Factor (Using DER Net) 96.6 96.2 ._ 68.9_

23. l' nit Forced Outage Rate 0.0 0.0 12.1

>. Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Eac 1-Refueling, April 3, 1979, 4 weeks

25. If Shut Down at End Of Report Period, Estinated Date of Startup: , _[_ _ _ _

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'?AR7ATTr F.n"'u t ?' (". <'" p, i '. r ice: rNT'rRTENCE porTET t'O. 50-306 F:!T.T l'rni ri c Island Do. 2 DAT" 790301 - - . . -

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@ The unit tripped at 0906 on February 28 due to an error made during a safeguards y logic surveillance test. The unit was returned to service at 1512.

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PAfLY UNIT l'0WER OUTPUT DOCKET NO. 50-106 UNIT Prairie Island No. 2 DATE 790301 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767 MONTH February, 1979 DAY AVERACE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net m

f c:

1 519 17 516 g 2 518 18 517

[ 3 520 19 519 G

f 4 519 20 516 5 518 21 518 6 518 22 515 7 518 23 511 8 520 24 517 9 519 25 516 10 521 26 _ 514 11 487 27 513 12 521 _ . 28 333 13 519 29 -

14 518 10 -

13 517 31 -

I t> 518 Average load. a tiove 500 !Me-Net are due to cooler condenser circulating water.

OPERATING DATA REPORT DOCKET No 50-306 DAT F._790301 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE (

.1_2.-388. 5 7. . - - .

1. Unit Name: Prairie Island No. 2 -- -- ,

2. Reporting Period: February, 1979 "'*

3. Licensed Thermal Power (MWt): 1650 t

4. Nameplate Rating (Cross MWe): 593

5. Design Electrical Rating (Net MWe): 530

6. Maximum Dependable Capacity (Gross MWe): 531 . - -

3 7. Maximum Dependable Capacity (Net MWe): 500 g 8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Percrt v

x Give Reason: . -

3 _ _

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

a -

( q. Reasons for Restrictions, If Any: ._

This Month Yr-To-Date Cuaula'ive

11. Hours In Reporting Period 672 1416 36742

12. Number Of Hours Reactor Was Critical 669.6 1413.6 _ __ 31857.2_

13. Reactor Reserve Shutdown Hours 0.0 0.0 1378.7 1- Hours Generator on Line 665.9 1409.9 __

31145.5 1 Unit Reserve Shutdown Hours 0.0 0.0 _ _ 0 . 0_

o Gross Thermal Energy Generated (Fnal) 1090763 2311156 48330531

17. Gross Electrical Energy Generated (MWH) 363470 772330 15360070 LS. Net Electrical Energy Generated (MWH) 342554 728289 _14373877___

19. Unit Service Factor 99.1 99.6 84.8

20. Unit Availability Factor 99.1 99.6 __. 84_.8

21. Unit Capacity Factor (Using MDC Net) 102.0 102.9 _ _7 8_. 2_

22. Unit Capacity Factor (Using DER Net) 96.2 97.0 7_3 . 8 _

23. Unit Forced Outage Rate 0.9 0.4 5.8

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

Refueling, December, 1979, 5 weeks

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

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; e d 790228 F I 6.1 G l 3 I N/A N/A N/A Reactor trip caused by procedural Z <

l l j l error during surveillance test.

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F: Forced Reason Me t.ho<l : Exhibit G-In-S: Scheduled A-Equlymn t Fai lu r e ( rD<pl.ain) 1 .'f anu a l strue 5.vis t'o r P,-5?aint'2 nance or Test 2-Manual Trip ~

Prepara:Lon C-Raf uling 3 -l'itontt le Tri? Data .'atry J-acts .

D "agulatory Re.s t c _c r. io:1 4-O th er (It ;? '. nn ) for L. ' .> 3.ve it -

E-Op:m Mr Training 5 Licens" Ewimination h port (i?' O c'il. :

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