ML20211P886

Monthly Operating Repts for Sept 1997 for Byron Nuclear Power Station,Units 1 & 2

ML20211P886
Person / Time
Site:	Byron
Issue date:	09/30/1997
From:	Vogl J COMMONWEALTH EDISON CO.
To:
Shared Package
ML20211P884	List: ML20211P881 ML20211P886 ML20211P906
References
NUDOCS 9710220023
Download: ML20211P886 (7)

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BYRON NUCLEAR POWER STATION-UNIT 1 AND UNIT 2 MONTHLY PERFORMANCE REPORT COMMONWEALTH ECiSON COMPANY NRC DOCKET NO. 050-454 NRC :OCKET NO. 050-455 t

LICENSE NOl NPF-37 LICENSE NO. NPF-66 s

9710220023 971007 DR ADOCK 050004 4 (p t \ 9^1byrit ts \ 97 022 9.wp f-2)

OPERATIN3 DATA REPORT-UNIT ONE DOCKET NO. 050-454 UNIT NAME Byron One DATE 10/07/9.'

COMPLETED BY J. Voal TELEPHONE (815) 234-5441 x2282 REPOR11NG PERIOD - September.1997 (Month / Year)

MONTH YEAR TO DATE CUMUI.ATIVE

1. Design Electrica! Rating (MWe-Net),

The nommal net electrical output of the unit specified by the utility and used for the purpose of plant design. 1,120 N/A N/A

2. Maximum Dependable Capacity (MWe-Net).

The gross electrical out;)ut as measured at the output terminals of the turbinesenerator during the most restrictive seasonal conditions minus the normal station service loads. 1,105 N/A N/A

3. Number of Hours the Reactor Was Critical.

The total numar of hours during the gross hours of the reporting period that the reactor was critical. 720 6,022.8 87,908.3

4. Number of Hours the Generator Was On Une.

(A!so called Service Hours). The total number of hours during the gross hours of the reporting period -

that the unit operated with breakers closed to the station bus. The sum of the hours the generator was on line plus the total outago hours should equal the gross hours in the reporting period. 720 5,976.1 87,064.1

5. Unit Reserve Shutdown Hours.

The total number of hours during the gross hours of the reporting period that the unit was removed from

- service for economic or similar reasons but was available for operation. 0 0 0

6. Net Electrical Energy (MWH).

The gross electrical output of the unit measured at the output terminals of the turbine-generator minus the normal station service loads during the gross hours of the reporting period, expressed in megawatt hours.

Negative quantities should not be used. 779,722 6,364,311 86,269,066 l

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.- UNIQUE REPORTIN3 REQUIREMENTS (UNIT 1) for the month of September,1997

-1. Safety / Relief valve operations for Unit One. This information is provided pursuant te the reporting requirements contained in Technical Specification 6.9.1.8.

VALVES NO & TYPE PLANT DESCRIPTION DATE ACTUATED ACTUATION CONDITION OF EVENT None

2. Licensee generated changes to ODCM.

None

3. Indications of failed fuel.

No. Fuel Re'iability Indicator: FRI = 7.56 E-6 pCi/CC

4. Licensee Event Reports The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit One, occurring during the reporting period, September 1,1997 through September 30,1997. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Report Number Date Title of Occurrence None e

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OPERATIN3 DATA REPORT

. UNIT TWO ~

DOCKET NO. 050-455 UNIT NAME Byron Two DATE 10/07/97 COMPLETED BY J. Voal TELEPHONE (815) 2_34-5441 x2282 REPORTING PERIOD September.1997 (Month / Year)

MONTH YEAR TO DATE CUMULATIVE

1. Design Electrical Rating (MWe-Net).

- The nominal net elec'.rical output of the unit specified by the utility and used for the purpose of plant design. 1,120 N/A N/A

2. Maximum Depndable Capacity (MWe-Net),

The gross electncal output as measured at the output terminals of the tLrbine-generator during the most restrictive seasonti conclitions minus the normal station service loads. 1,105 N/A- N/A

3. Number of Hours the Reactor Was Critical.

The total number of Sours during the gross hours of the reporting period that the reactor was critical. 720 6,440.3 77,963

4. Number of Hours the Generator Was On Une.

(Also called Service Hours). The total number of

. hours during the gross hours of the reporting period that the unit operated with breakers closed to the station bus. The sum of the hours the generator was on line plus the total outage hours should equal the gross hours in the reporting period. 720 6,414.1 77,260.7

5. Unit Reserve Shutdown Hours.

The total number of hours during the gross hours of the reporting period that the unit was removed from service for economic or similar reasons but was ,

available for operation. 0 0 0

6. Net Electrical Energy (MWH).

The gross electrical output of the unit measured at the output terminals of the turbine-generator minus the normal station service loads during the gross hours of

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the reporting period, expressed in megawatt hours.

Negative quantities should not be used. 788,885 6,971,824 76,263,795 (p: \ 9'7byrlt.r s \ 97 022 9.wp f-6)

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F UNIQUE REPORTING REQUIREMENTS (UNIT 2) for the month of September,1997

1. Safety / Relief valve operations for Unit Two. This information is provided pursuant to the reporting requirements contained in Technical Specification 6.9.1.8.

VALVES NO & TYPE PLANT DESCRIPTION -

DATE ACTUATED ACTUATION CONDITION OF EVENT None

2. Licensee generated changes to ODCM.

None

- 3. Indications of failed fuel.

No. Fuel Reliability Indicator: FRl = 4.90 E-5 pCi/cc

4. Licensee Event Reports The following is a tabular summary of all Licensee Event Reports for Byron Nuclear Power Station, Unit Two, occurring during the reporting period, September 1,1997.

through September 30,1997. This information is provided pursuant to the reportable occurrence reporting requirements as set forth in 10CFR 50.73.

Occurrence Licensee Event Report Number Date Title of Occurrence None (p t \ 97 byrlt rs\ 97 0 22 9.wp f-0 )

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