0CAN100404, September 2004 Monthly Operating Report for Arkansas Nuclear One (Ano), Units 1 and 2

September 2004 Monthly Operating Report for Arkansas Nuclear One (Ano), Units 1 and 2

ML043010597
Person / Time
Site:	Arkansas Nuclear
Issue date:	10/15/2004
From:	James D Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
0CAN100404
Download: ML043010597 (4)

Text

- Entergy Entergy Operations, Inc.

1448 S.R.333 Russellville, AR 72802 Tel 501 858 5000 OCAN100404 October 15, 2004 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001

Subject:

Monthly Operating Report Arkansas Nuclear One-Units 1 and 2 Docket Nos. 50-313 and 50-368 License Nos. DPR-51 and NPF-6

Dear Sir of Madam:

Arkansas Nuclear One (ANO), Units 1 and 2 Technical Specifications 5.6.4 and 6.9.1.6, respectively, require the submittal of a Monthly Operating Report. The purpose of this letter is to complete the reporting requirement for September 2004.

There are no new commitments contained in this submittal.

Sincerely,

/Dale James

( Mana er, Licensing DEJ/SLP Attachment(s) jX)ects

OCAN100404 Page 2 cc: Dr. Bruce S. Mallett Regional Administrator U. S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064 NRC Senior Resident Inspector Arkansas Nuclear One P.O. Box 310 London, AR 72847 U. S. Nuclear Regulatory Commission Attn: Mr. Drew Holland Mail Stop 0-7 D1 Washington, DC 20555-0001 U. S. Nuclear Regulatory Commission Attn: Mr. Thomas Alexion Mail Stop 0-7 D1 Washington, DC 20555-0001

OPERATING DATA REPORT DOCKET NO. 50-313 UNIT NAME Arkansas Nuclear One - Unit 1 DATE October 15, 2004 COMPLETED BY Steven L. Coffman TELEPHONE (479) 858-5560 REPORTING PERIOD: September 2004

1. Design Electrical Rating (MWe-Net): 850

2. Maximum Dependable Capacity (MWe-Net): 836 MONTH YR-TO-DATE CUMULATIVE

3. Number of Hours Reactor Was Critical 720.00 5,863.17 206,436.06

4. Number of Hours Generator On-Line 720.00 5,837.58 203,654.29

5. Unit Reserve Shutdown Hours 0.0 0.0 817.5

6. Net Electrical Energy Generated (MWh) 610,996 4,936,637 157,551,269 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No. Date S: Scheduled (Hours) Reason' Down 2 Comments None

SUMMARY

The Unit operated the entire month at or near full reactor power.

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)

OPERATING DATA REPORT DOCKET NO. 50-368 UNIT NAME Arkansas Nuclear One - Unit 2 DATE October 15, 2004 COMPLETED BY Steven L. Coffman TELEPHONE (479) 858-5560 REPORTING PERIOD: September 2004

1. Design Electrical Rating (MWe-Net): 912

2. Maximum Dependable Capacity (MWe-Net): 858 MONTH YR-TO-DATE CUMULATIVE

3. Number of Hours Reactor Was Critical 649.90 6,445.05 176,501.87

4. Number of Hours Generator On-Line 649.90 6,411.55 173,910.56

5. Unit Reserve Shutdown Hours I0.0 0.0 0.0

6. Net Electrical Energy Generated (MWh) 651,407 6,442,935.0 150,558,921 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective No. Date S: Scheduled (Hours) Reason Down 2 Action I_ I Comments 2004-05 040928 F 70.1 B 1 Forced shutdown to repair a Main Feedwater vent stack weld.

SUMMARY

The Unit began the month at or near full reactor power. On 09/28/2004, the Unit was taken off line to repair a socket weld on a Main Feedwater line vent stack. This forced outage continued through the end of the month.

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)