ML051730462

May 2005 Monthly Operating Report for Arkansas Nuclear One Units 1 and 2

ML051730462
Person / Time
Site:	Arkansas Nuclear
Issue date:	06/15/2005
From:	James D Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
OCAN060503
Download: ML051730462 (4)

Text

,~ Ent-egy Entergy Operations, Inc.

1448 S.R.333 Russellville, AR 72802 Tel 501 858 5000 OCAN060503 June 15, 2005 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 or Madam:

Arkansas Nuclear One (ANO), Units 1 and 2 Technical Specifications 5.6.4 and 6.6.4, respectively, require the submittal 'of a Monthly Operating Report. The purpose of this letter is to complete the reporting requirement for May 2005.

There are no new commitments contained in this submittal.

,erely le E mes (Acting irector, Nuclear Safety Assurance

JEa

OCAN060503 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 I DATE June 15, 2005 COMPLETED BY Steven L. Coffman TELEPHONE (479) 858-5560 REPORTING PERIOD: May 2005

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 744.00 3,623.00 212,268.06

4. Number of Hours Generator On-Line 744.00 3,623.00 209,486.29

5. Unit Reserve Shutdown Hours 0.0 0.0 817.5

6. Net Electrical Energy Generated (MWh) 635,753 3,115,622 162,557,829 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 began the month at, or near, full power. On 05/06/2005, power was reduced to -84% for Main Turbine Governor Valve testing. The Unit returned to full reactor power on 05/07/2005 and remained at, or near full power for the remainder 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)

OPERATING DATA REPORT DOCKET NO. 50-368 UNIT NAME Arkansas Nuclear One - Unit 2 DATE Jun e 15, 2005 COMPLETED BY Ste, ven L. Coffman TELEPHONE (4719) 858-5560 REPORTING PERIOD: May 2005

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 744.00 2,852.80 181,531.14

4. Number of Hours Generator On-Line 744.00 2,829.82 178,911.33

5. Unit Reserve Shutdown Hours 0.0 0.0 0.0

6. Net Electrical Energy Generated (MWh) 749,906 2,812,496.1 155,556,041 UNIT SHUTDOWNS Type Method of Cause & Corrective F: Forced Duration Shutting 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 TriplScram 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)