U-603720, February 2005 Monthly Operating Report for Clinton Power Station, Unit 1

February 2005 Monthly Operating Report for Clinton Power Station, Unit 1

ML050820238
Person / Time
Site:	Clinton
Issue date:	03/14/2005
From:	Iliff W AmerGen Energy Co, Exelon Corp
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
U-603720
Download: ML050820238 (2)

Text

Amerenm An Exelon Company Clinton Power Station R.R.3, Box 228 Clinton, IL 61727 10CFR50.36 U-603720 March 14, 2005 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Clinton Power Station, Unit 1 Facility Operating License No. NPF-62 NRC Docket No. 50-461

Subject:

February 2005 Monthly Operating Report Please find in the Attachment the Monthly Operating Report for Clinton Power Station, Unit 1, for the period ending February 28, 2005.

Respectfully, W. S. Iliff Regulatory Assurance Manager Clinton Power Station JLP/bIf Attachment cc: Regional Administrator - NRC Region III NRC Senior Resident Inspector - Clinton Power Station Illinois Emergency Management Agency - Division of Nuclear Safety

o-OPERATING DATA REPORT 4 -

Attachment to U-603720 DOCKET NO. 50-461 UNIT NAME Clinton 1 DATE March 11, 2005 COMPLETED BY P. K. Ryan TELEPHONE 217-937-2201 REPORTING PERIOD: February 2005

1. Design Electrical Rating 1,062.00

2. Maximum Dependable Capacity (MWe-Net) 1,022.00 This Month Yr-to-Date Cumulative

3. Number of Hours the Reactor was Critical 520.98 1,264.98 106,819.18 _ _

4. Number of Houirs Generator On-line 516.20 1,260.20 104,397.54

5. Reserve Shutdown Hours 0.00 0.00 4.00

6. Net Electrical Energy Generated (MWHrs) 494,330.00 1,224,150.00 93,748,453.48 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason 1 Down 2 Comments Repairs of the extraction steam piping in the I

C1 F45 02/22/2005 F 155.80 A 1 main condenser are in progress. 1

SUMMARY

Clinton experienced a forced loss when the 4B feedwater heater developed an extraction steam supply leak inside the main condenser. This required a normal plant (soft) shutdown to set the conditions necessary for the repairs.

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)

Challenges to Main Steam Safety Relief Valves: None Page 1 of 1