ML19343A136

Monthly Operating Repts for Aug 1980

ML19343A136
Person / Time
Site:	Prairie Island
Issue date:	09/01/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:
Shared Package
ML19343A132	List: ML19343A130 ML19343A136
References
NUDOCS 8009160282
Download: ML19343A136 (8)

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d NARRATIVE SLHMARY OF OPERATING EXPERIFNCE DOCKET NO. 50 232 UNIT Prairie Island No.1 DATE 600901 COMPLETED BY A.A. Hunst9d TELEPHONE 612-388-4767 MONTH AUGUST 1980 o

The unit was in coastdown operation this month. Load was depressed on g

August 28 due to temperature limitations encountered during chlorination y

of the circulating water system. The unit was taken off line at 2049 on August 31 for the Cycle 5-6 refueling.

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8009160 7 T A

DAILY UNIT PCWER CUTPUT DOCKET NO. 50 282-UNIT Prairie Isla-d No. 1 DATE 800901 CP'kLETED BY A.A. Hunstad TELEPHONE 612-338-4767 MONTH AUGUST 1980 DAY AVERACE LOAD MWe-Net DAY AVERACE LOAD MWe-Net 1

406 17 314 l

2 398 13 303

,~

3 392 19 303

.f a

385 20 296 5

379 21 296 6

369 22 291 7

366 23 273 8

364 24 278 9

358 25 241 10 352 26 283 11 347 27 269 12 342 23 218 13 335 29 273 14 333 30 238 15 320 31 196 16 307 Average loads above 503 MWe-Net are due to cooler condenser circulating water.

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OPERATING DATA REPORT DOCKET NO 50 282 DATE 800901 COMPLETED BY A.A. Hunstad OPERATING STATUS TELEPHONE 612-388-t767 1.

Unit Nane:

Prairie Island No. 1 l

2.

Reporting Period:

AUGUST -1980 Notes 3.

Licensed Thermal Power (MWt):

1650 4.

Naneplate Racing (Gross MWe):

591 5.

Design Electrical Rating (Net MWe):

530 6.

Maximum Dependable Capacity (Gross MWe):

534 0

7.

Maximum Dependable Capacity (Net MWe):

503 g

8.

If Changes occur in capacity Ratings (Itens Number 3 Through 7) Since Last Report:

az Give Reason:

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9.

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

10.

Reasons for Restricticas, If Any:

This Month Yr-To-Date Cunulative 11.

Hours In Reporting Period 744 5855 58823 12.

Nunber Of Hours Reactor Was Critical 740.9 5255.8 46464.2 13.

Reactor Reserve Shutdown Hours 0.0 0.0 5531.9 14.

Hours Generator On Line 740.3 5246.5 45370.0 15.

Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.

Gross Thernal Energy Generated (MWH) 904020 8140749 70219743 17.

Gross Electrical Energy Generated (MWH) 259500 2493680 22647350 18.

Net Electrical Energy Generated (MWH) 236799 2327064 21166316 19.

Unit Service Factor 99.6 89.6 77.1 20.

Unit Availability Factor 99.6 89.6 77.1 21.

Unit Capacity Factor (Using MDC Net) 63.3 79.0 71.5 2'.

Unit Capacity Factor (Using DER Net) 60.1 75.0 69.5

23. Unit Forced Outage Rate 0.0 3.2 12.6 24 Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each):

25.

If Shut Down at End Of Report Period, Esti=ated Date of Startup:

r UNIT StillTiWWNS AND POWER REDilCTIONS IN)CKET NO.

50 282 REPORT MONTil AllGUST 1980 DATE 800901 CollPLETED BY _ A. A. Ilunst ad TELEP110NE 412-388-4767

[u Licensee Cause & Corrective a

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o Date OO E

dO Event

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Report #

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Prevent Recurrence SEN

$0 0*

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4 8

t p:

8 800831 S

3.2 C

2 N/A N/A N/A

' Refueling H

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I 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 (1.ER) File F-Administrative (Nt! REG-0161)

G-Operational Error (Explain) 5 li-Other (Explain Exhibit 1 - Same Source

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4 NARRATIVE SLMfARY OF OPERATING EXPF2IENCE DOCKET NO. 50-306 UNIT Prairie Island No. 2 DATE 800901 COMPLs".TED BY A.A. Hunstad TELEPHONE 612-388-4767 MONTH AUGUST 1980 o

The unit was in' Load Follow cperation this month. Load was depressed j

. on August 28 due to temperature limitations encountered during chlorination g

of the circulating water system.

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DAILY UNIT PC'4ER OUTPUT DOCKET No. 50-306 UNIT Prairie Island No. 2 DATE 800901 COMPLETED BY A.A. Hunstad TELEPHONE 612-388-4767 MONTH AUGUST 1980 DAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD rie-Ne:

1 488 a

17 492 2

~493 is 491

~

3 492 19 490 4

495 20 493 5

493 21 463 6

493 22 494 7

492 23 490 3

493 24 422 9

493 25 488 10 463 26 494 il 491 27 495 12 443 28 308 13 490 29 488 14 490 30 493 15 492 31 493 is 495 Average loads above 500 rie-Net are due to cooler condenser circulating water.

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OPERATING DATA REPORT ~

DOCKET NO 50-306 DATE 800901 COMPLETED BY A.A. Hunstad __

TELEPHONE' 612-388-4767 OPERATING STATUS Prairie Island No. 2 N0t*8 1..

Unit Name:

AUGUST 1980 2.

Reporting Period:

1650 Licensed Thermal Power (Wt):

3.

593 Nameplate Rating (Gross We):

4.

530 Design Electrical Rating. (Net MWe):

5.

531 Maximum Dependable Capacity (Gross We):

7 6.-

500 Maximum Dependable Capacity (Net MWe):

Last Report:

U 7.

If Changes Occur in Capacity Ratings (Items Nunber 3 Through 7) Since 8.

g.

S

. Give Reason:

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

[

9.

Reasons for Restrictions, If Any:

oz 10.

Cumulative This Month Yr-To-Date 744 5855 49941 Hours In Reporting Period 43675.1 744.0 4546.3 11.

j Number Of Hours Aeactor Was Cr.1tical 1495.4 0.0 89.4 _

12.

42875.5 Reactor Reserve Shutdown Hours 744.0 4474.5 13.

14.

Hours Generator On Line 0.0 0.0 0.0 66744635

15. Unic Reserve Shutdown Hours 1193382 7072132 Gross Thermal Energy Generated (MWH) 2274470 21328600 16.

380540 Gross Electrical Energy Generated (WH) 19964483 357283 2125851 17.

Net Electrical Energy Generated (WH) 76.4 85.9_

18.

100.0 85.9

19. Unit Service Factor 100.0 _

76.4 72.6 80.0

20. Unit Avai' ability Factor 96.0

.. Unit Capacity Factor (Using MDC Net) 68.5 75.4 21.

~

90.6 4

~ Unit Capacity Factor (Using DER Net) 4.5 22.

0.0 0.5

. 23. - Unit Forced Cucage Rate f Each):

S~nutdowns Scheduled Over Next 12 Months (Type, Date and Duration o 24.

1981. 6 weeks

Refueling January If Shut Down at End Of Report Period, Estimated Date of S.artup

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