ML051190207

March 2005 Monthly Operating Report for LaSalle County Station Units 1 and 2

ML051190207
Person / Time
Site:	LaSalle
Issue date:	04/13/2005
From:	Simpkin T Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML051190207 (3)

Text

ExekInM Exelon Generation Company, LLC www.exeloncorp.com NucleaT LaSalle County Station 2601 North 21"'Road Marseilles, IL 61341-9757 April 13, 2005 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-1 8 NRC Docket Nos. 50-373 and 50-374

Subject:

Monthly Operating Report for March 2005 Enclosed is the Exelon Generation Company (EGC), LLC, Monthly Operating Report for LaSalle County Station covering the period from March 1 through March 31, 2005. 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 EaiSalle 1 DATE A iU08, 2005 -

COMPLETED BY M Mie Lu- -Pont TELEPHONE 15)15-219T 1

REPORTING PERIOD: March 2005

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 2,160.00 134,625.02

4. Number of Hours Generator On-line 744.00 2,160.00 132,352.85

5. Reserve Shutdown Hours 0.00 0.00 1.00

6. Net Electrical Energy Generated (MWHrs) 850,946.00 2,466,725.00 134,800,450.0 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason 1 Down 2 Comments

SUMMARY

Unit 1 operated at or near full power throughout the month of March 2005 without exception.

I 2 Reason: Method:

A Equipment Failure (Explain) I 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 ONE

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

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OPERATING DATA REPORT DOCKET NO. 50-374 UNIT NAME LaSalle 2 DATE Apri 08, 2005 COMPLETED BY Stevie Du Pont TELEPHONE (815) 415-2197 REPORTING PERIOD: March 2005

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 397.67 1,289.45 125,996.77

4. Number of Hours Generator On-line 369.75 1,257.75 124,815.07

5. Reserve Shutdown Hours 0.00 0.00 0.00

6. Net Electrical Energy Generated (MWHrs) 393,384.00 1,402,241.00 128,377,160.0 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason I Down 2 Comments L2R10 02107/2005 S 373.65 C 4 Shutdown for commencement of refuel I__I_ I____outage L2R10 L2R10 03116/2005 5 0.60 B 5 Turbine surveillance testing following L2R10

SUMMARY

Unit 2 entered the reporting period shutdown for refueling outage L2R1O. The unit started up on March 15th and was returned to service on March 16th. The unit operated at or near full power until March 22nd. On March 22nd, power was reduced to about 755 MWe for rod pattern adjustment and the unit was returned to full power on the same day. The unit operated at or near full power for the remainder of the month of March 2005.

1 2 Reason: Method:

A Equipment Failure (Explain) I 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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