ML042310151

July 2004 Monthly Operating Report for Exelon Generation Company

ML042310151
Person / Time
Site:	LaSalle
Issue date:	08/10/2004
From:	Simpkin T Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML042310151 (3)

Text

ExeIonSM Exelon Generation Company, LLC www exeloncorp.com Nuclear LaSalle County Station 2601 North 21" Road Marseilles, IL61341-9757 August 10, 2004 United States Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 LaSalle County Station, Units 1 and 2 Facility Operating License Nos. NPF-1 1 and NPF-18 NRC Docket Nos. 50-373 and 50-374

Subject:

Monthly Operating Report for July 2004 Enclosed is the Exelon Generation Company (EGC), LLC, Monthly Operating Report for LaSalle County Station covering the period from July 1 through July 31, 2004. This report is submitted in accordance with Technical Specification 5.6.4.

Should you have any questions concerning this letter, please contact Mr. Terrence W. Simpkin at (815) 415-2800.

Respectfully, Terrence W. Simpkin Regulatory Assurance Manager LaSalle County Station Enclosure cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - LaSalle County Station

OPERATING DATA REPORT DOCKET NO. 50'-373 UNIT NAME LaiSalle I DATE Auigust 05, 2004 COMPLETED BY _ evie DuPont TELEPHONE (8 15) 415-2197 REPORTING PERIOD: July 2004

1. Design Electrical Rating 1,154100

2. Maximum Dependable Capacity (MWe-Net) 1,111.00 This Month. Yr-to-Date Cumulative

3. Number of Hours the Reactor was Critical 744.00 4,416.05 128,792.02

4. Number of Hours Generator On-ine 744.00 4,386.50 126,519.85

5. Reserve Shutdown Hours 0.00 0.00 1.00

6. Net Electrical Energy Generated (MWHrs) 833,202.00 4,901,677.00 128,183,871.0 UNIT SHUTDOWNS Method of Duration Shutting Cause & Corrective Action (Hours) Reason .Down 2 Comments

SUMMARY

The unit operated at or near full power throughout the month of July with the following exception: On July 8, 2004, power was reduced to about 995 MWe for load following. The unit was returned to full power on July 8, 2004. On July 18, 2004, power was reduced to about 1100 MWe for load following. The unit was returned to full power on July 18, 2004, and operated at or near power the remainder of the month.

I 2 Reason: Method:

A Equipment Failure (Explain) I Manual B Maintenance or Test 2 Manual Trip/Scram C Refueling 3 Automatic TriplScram D Regulatory Restriction 4 Continuation E Operator Training & License Examination 5 Other (Explain)

F Administration G Operational Error (Explain)

H Other (Explain)

UNIQUE REPORTING REQUIREMENTS FOR UNIT ONE

1. Challenges other than routine surveillance testing to Safety/Relief Valve Operations - None.

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OPERATING DATA REPORT DOCKET NO. 5C0-374 UNIT NAME Li aSalle z DATE ALigust05, 2004 COMPLETED BY St evie DuPont TELEPHONE (8 15) 415-2197 REPORTING PERIOD: July 2004

1. Design Electrical Rating 1 154.00

2. Maximum Dependable Capacity (MWe-Net) 1,111 .00 This Month Yr-to-Date Cumulative

3. Number of Hours the Reactor was Critical 744.00 5,111.00 121,034.32

4. Number of Hours Generator On-line 744.00 5,091.47 119,884.32

5. Reserve Shutdown Hours 0.00 0.00 0.00

6. Net Electrical Energy Generated (MWHrs) 836,844.00 5.772,671.00 122,807,163.0 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason 1 Down 2 ., Comments

SUMMARY

The unit operated at or near full power throughout the month of July without exception.

I 2 Reason: Method:

A Equipment Failure (Explain) 1 Manual B Maintenance or Test 2 Manual Trip/Scram C Refueling 3 Automatic Trip/Scram D Regulatory Restriction 4 Continuation E Operator Training & License Examination 5 Other (Explain)

F Administration G Operational Error (Explain)

H Other (Explain)

UNIQUE REPORTING REQUIREMENTS FOR UNIT TWO

1. Challenges other than routine surveillance testing to Safety/Relief Valve Operations - None.

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