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Rev 1 to Monthly Operating Rept for June 1984
	ML20098D658
Person / Time
Site:	Duane Arnold
Issue date:	06/30/1984
From:	Putnam K; IES UTILITIES INC., (FORMERLY IOWA ELECTRIC LIGHT
To:	;
Shared Package
ML20098D619	List: ML20098D615; ML20098D643; ML20098D658; ML20098D718; ML20098D736;
References
	NUDOCS 8409270689
	Download: ML20098D658 (1)
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t-OPERATING DATA REPORT REVISION 1 DOCKET NO. 050-0331 DATE 9-15-84 4

COMPLETED BY Ken S.Putnam 4

TELEPHONE 319-851-7456 4

OPERATING STATUS Notes 1

1. Unit Name Duane Arnold Energy Center

2. Reporting Period June, 1984

3. Licensed Thermal Power (MWt):

1658

4. Nameplate Rating (Gross MWe):

56 5

5. Design Electrical Rating (Not MWe):

538

6. Maximum Dependable Capacity (Gross MWe):

545

7. Maximum Dependable Capacity (Not MWe):

515

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

9. Power Level to Which Restricted, if Any (Not MWe):

10. Reasons For Restrictions, if Any:

This Month Yr-to-Date Cumulative l

11. Hours in Reporting Period 720.0 4367.0 82511.0

12. Number of Hours Reactor Was Critical 295.9 3028.5 58963.5

13. Reactor Reserve Shutdown Hours 150.3 150.3 150.3

14. Hours Generator On-Line 241.5 2930.5 57373.2

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 4

16. Gross Thermal Energy Generated (MWH) 293287 4268656 72017219

17. Gross Electrical Energy Generated (MWH) 93034 1445192 241392d9 l

18. Not Electrical Energy Generated (MWH) 86750 1361891 22600481

19. Unit Service Factor 33.5 67.1 69.5

20. Unit Availability Factor 33.5 67.1 69.5 l'

21. Unit Capacity Factor (Using MDC Net) 23.4 60.6 53.2

22. Unit Capacity Factor (Using DER Net) 22.4 58.0 50.9 l

23. Unit Forced Outage Rate 35.7 20.1 17.4

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

i

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

Turbine Rating: 565.7 MWe Generator Rating: 663.5 (MVA) x.90 (Power Factor) = 597 MWe 8409270689 840915 (9/77)

PDR ADOCK 05000331 R

ML20098D658