ML20081M786

Corrected Monthly Operating Rept for May 1991 for Byron Nuclear Power Station Unit 2

ML20081M786
Person / Time
Site:	Byron
Issue date:	05/31/1991
From:	Ehle D COMMONWEALTH EDISON CO.
To:
Shared Package
ML20081M686	List: ML20081M679 ML20081M763 ML20081M770 ML20081M786
References
NUDOCS 9107100119
Download: ML20081M786 (1)

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OEERATING DATA REr_0RI DOCKET NO 050-455 UNIT:

Dyron Two DATE:

06/10/91 COMPILED BY:

D. Ehle TELEPHONE:

(815)234-5441 x2263 OPERATING STATUS 1.

Reporting Period:

May, 1991.

Gross Hours:

744 2.

Currently Authorized Power Level: 3411 (MWt)

Design Electrical Rating: 1175 (MWe-gross)

Design Electrical Rating: 1120 (MWe-net)

Max Dependable Capacity: 1105 (MWe-net) 3.

Power Level to Which Restricted (If Any): N/A 4.

Reasons for Restriction (If Any):

THIS MONTH YR TO DATE CUMULATIVE

• 5.

Report Period Hrs.

744 3,623 33,120 6.

Rx Critical Hours 744 3,623 28,355.1 7.

Ra Reserve Shutdown Hours 0

0 0

8.

Hours Generator on Line 744 3,623 27,907.6 9.

Unit Reserve Shutdown Hours 0

0 0

10. Gross Thermal Energy (MWH) 2,374,353 11,799,107 76,110,499

11. Gross-Elec.-Energy (MWH) 804,410 4,022,509 25,760,604

12. Net Elec. Energy (MWH) 764,762 3,826,955 24,231,284

13. Reactor Service Factor 100 100 85.6

14. Reactor Availability. Factor 100 100 85.6

~15. Unit Service Factor 100 100 84.3 16; Unit Availability Factor 100 100 84.3

27. Unit Capacity Factor (MDC net) 93.0 95.6 66.2

-18. Unit Capacity Factor.(DER net) 91.8 94.3 65.3 i

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19. Unit Forced Outage Hrs.

0 0

886.4 20.' Unit Forced Outage Rate 0

0

-3.1

21. Shutdowns Scheduled Over Hext 6 Months: None

22. If Shutdown at End of Report Period, Estimated Data of Startup

23. Units in Test Status (Prior to Commercial Operation): None l

• Note - The cumulative numbers do not reflect power generated prior to commercial service.

l (0625M/0062M/4) l 9107100119 910621 PDR ADOCK 05000455 R

PDR

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