0CAN040504, March 2005 Monthly Operating Report for Arkansas Nuclear One, Units 1 and 2

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

ML051160224
Person / Time
Site:	Arkansas Nuclear
Issue date:	04/15/2005
From:	James D Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
0CAN040504
Download: ML051160224 (4)

Text

Entergy Operations, Inc.

-~ Entergy 1448 S.R. 333 Russellville, AR 72802 Tel 501 858 5000 OCAN040504 April 15, 2005 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001

Subject:

Monthly Operating Report Arkansas Nuclear One 7- 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 March 2005.

There are no new commitments contained in this submittal.

• s erely, Dale . James Ac Director, Nuclear Safety Assurance D J/SLP Attachment(s) 462$1

OCAN040504 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 April 15, 2005 COMPLETED BY Steven L. Coffman TELEPHONE (479) 858-5560 REPORTING PERIOD: March 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 2.160.00 210.805.06

4. Number of Hours Generator On-Line 744.00 2,160.00 208,023.29

5. Unit Reserve Shutdown Hours 0.0 0.0 817.5

6. Net Electrical Energy Generated (MWh) 640,573 1,863,427 161,305,634 UNIT SHUTDOWNS Type Method F: Forced Duration of Cause & Corrective Action No. Date S: Scheduled (Hours) Reason' Shutting Comments NoeDown 2 1None I III

SUMMARY

The Unit began the month at or near full power. On 03/18/2005, power was reduced to -85% power to perform Main Turbine Governor Valve maintenance. The Unit returned to full power that same day, and operated the remainder of the month at or near full 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)

DOCKET NO. 50-368 UNIT NAME Arkansas Nuclear One - Unit 2 DATE April 15, 2005 COMPLETED BY Steven L. Coffman TELEPHONE ,(479) 858-5560 REPORTING PERIOD: March 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 192.65 1,608.65 180,286.99

4. Number of Hours Generator On-Line 192.65 1,608.65 177,690.16

5. Unit Reserve Shutdown Hours 0.0 0.0 0.0

6. Net Electrical Energy Generated (MWh) 193,807 1,625,590.0 154,369,135 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective No. Date S: Scheduled (Hours) Reason' Down 2 Action II Comments 2005-01 050309 S 551.35 C I 2R17 Refueling Outage.

SUMMARY

The Unit began month at or near full reactor power. On 03/09/2005, the Unit was taken off line for the 2R17 Refueling Outage, and remained shutdown through the remainder of the month.

I 2 Reason: Method:

A Equipment Failure (Explain) I Manual B Maintenance or Test I 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)