ML20204B686

Monthly Operating Rept for Sept 1978

ML20204B686
Person / Time
Site:	Cooper
Issue date:	10/05/1978
From:	Borer P NEBRASKA PUBLIC POWER DISTRICT
To:
Shared Package
ML20204B654	List: ML20204B648 ML20204B686
References
NUDOCS 7810170299
Download: ML20204B686 (4)

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k OPERATING DATA REPORT DOCKET NO.

50-298 DATE 10-5-78 COMPLETED BY P..T - Enter TELEPHONE 402-825-3811 OPERATING STATUS Notes

1. Unit Name:

Cooper Nuclear Station

2. Reporting Period:

September 1978 2381

3. Licensed Thermal Power (MWt):

836

4. Nameplate Rating (Gross MWe):

1. 70

5. Design Electrical Rating (Net MWe):

787

6. Maximum Dependable Capacity (Gross MWe):

764

7. Maximum Dependable Capacity (Net MWe):

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

None

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

None

10. Reamns For Restrictions,if Any:

i This Month Yr.-to Date Cumulatise

11. Hours In Reporting Period 720 6551 17.272

12. Number Of Hours. Reactor Was Critical 720 5790.2 31.245.9

13. Reactor Reserve Shut town Hours 0

0 0

14. Hours Generator On-Line 720 5758.4 30,594.2

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (MWH) 1,381,656 10,904,208 55,945,710

17. Gross Electrical Energy Generated (MWH) 450.640 1,561,286 17.891,256

18. Net Electrical Energy Generated (MWH) 435.862 3.449.088 17.225.825

19. Unit Service Factor 100.0 87.9 82.1

20. Unit Availability Factor 100.0 87.9 82.1

21. Unit Capacity Factor (Using MDC Net) 79.2 68.9 60.5

22. Unit Capacity Factor (Using DER Net) 77.8 67.7 59.4

23. Unit Forced Outage Rate 0.0 0.4 5.1

24. Shutdowns Scheduled Over Next 6 Months (Type.Date.and Duration of Each1:

None

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

26. Units In Test Status (Prior to Commercial Operation):

Forecast Ac'.;eved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 7 0/o/70 A.ff yn

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-298 UNIT Cooper Nuclear Stat.

DATE October 5, 1978 P. J. Borer COMPLETED BY 402-825-3811 TELEPHONE MONTH September DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 460 1

609 37 603 2

gg q, g 3

598 19 517 4

All 20 522 699 523 5

21 73 532 6

728 547 7

23 g

739 24 581 l

701 9

25 626 fi 6 26 607 c

10 11-707 27 608 12 704 588

,g 624 608 13

,9 14 619 30 606

]

15 618 3j 16 357 INSTRUCTIONS

~

On this format, list the average daily unit power levelin MWe Net for each day in the reporting month. Compute to the nearest whole megawatt.

P/77)

50-298 DOCKET NO.

UNIT SilUTDOWNS AND POWER REDUC 110NS Cooper huclear Station UNIT NAME DATE October 5, 1978 i

COMPLETED BY P.J. Borer REPORT MONTil September 1978 TELEPHONE - 402-825-3811 E

E 5g 3

$ $5 Licensee

,Eg Cause & Corrective 8

Action to No.

Date i

3g d

is@

Esent gg gO F

yE 5

3gc Report e mV Prevent Recurrence o

t u

s 6

78-13 7E9916 S

O H

4 N/A N/A N/A Control Rod Sequence Change 1

2 3

4 F: Forced Reason:.

Method:

Exhibit G-Instructions S: Scheduled A4sluipment Failure (Explain)

I-Manual for Preraration of Data B.Mairitenance of Test 2-Manual Scram.

Entry Sheets for Licensee C Refueling 3-Automatic Scram.

Event Report (LER) File (NURI G.

D-Regulatory Restriction 4-Other (Explain) 0161)

E-Operator Training & License Examination F-Administrative 5

G-Operational Error (Explain)

Exhibit I - Same Source (9/77)

Il-Other (Explain)

A 1

COOPER NUCLEAR STATION OPERATIONS NARRATIVE September 1978 The unit operated at an average net generation of 605 MWe.

The unit was operated at a reduced load due to low system load demand and to conserve fuel for the winter peak.

Power was' additionally reduced on September 16 to permit a control rod sequence change.

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