0CAN050505, April 2005 Monthly Operating Report for Arkansas Nuclear One Units 1 & 2

April 2005 Monthly Operating Report for Arkansas Nuclear One Units 1 & 2

ML051440398
Person / Time
Site:	Arkansas Nuclear
Issue date:	05/16/2005
From:	James D Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
0CAN050505
Download: ML051440398 (4)

Text

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Entergy Operations, Inc.

Entergy 1448 S.R. 333 Russellville, AR 72802 Tel 501 858 5000 OCAN050505 May 16, 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 April 2005.

There are no new commitments contained in this submittal.

• erely, ale E James Acti~g/ irector, Nuclear Safety Assurance DEJ LP Attachment(s) d3TC9o

OCAN050505 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 May 15, 2005 COMPLETED BYSteven L. Coffman TELEPHONE (479) 858-5560 REPORTING PERIOD: April 200 5

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 719.00 2,879.00 211,524.06

4. Number of Hours Generator On-Line 719.00 2,879.00 208,742.29

5. Unit Reserve Shutdown Hours 0.0 0.0 817.5

6. Net Electrical Energy Generated (MWh) 616,442 2,479,869 161,922,076 UNIT SHUTDOWNS Type Method F: Forced Duration of Cause & Corrective No. Date S: Scheduled (Hours) Reason1 Shutting Action None= = Down' Comments NoneI

SUMMARY

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

I 2 Reason: Method:

A Equipment Failure (Explain) 1 Manual B Maintenance or Test 2 Manual Trip/Scram C Refueling 3 Automatic TriplScram 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 May 15, 2005 COMPLETED BY Steven L. Coffman TELEPHONE (479) 858-5560 REPORTING PERIOD: April 200 5

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 500.15 2,108.80 180,787.14

4. Number of Hours Generator On-Line 477.17 2,085.82 178,167.33

6. Unit Reserve Shutdown Hours 0.0 0.0 0.0

6. Net Electrical Energy Generated (MWh) 437,000 2,062,590.0 154,806,135 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective No. Date S: Scheduled (Hours) Reason1 Down 2 Action Comments 2005-01 050401 5 240.93 C 4 2R17 Refueling Outage.

2005-02 050411 S 0.9. B 5 MTG overspeed trip test. The I Reactor remained critical

SUMMARY

The Unit began the month shutdown for the 2R17 Refueling Outage. On 04/11/2005, the Unit was tied to the grid after completion of the outage and achieved full power on 04/17/2005.

The Unit operated the remainder of the month at, or near full power.

I 2 Reason: Method:

A Equipment Failure (Explain) I Manual B Maintenance or Test 2 Manual TriplScram C Refueling 3 Automatic TriplScram D Regulatory Restriction 4 Continuation E Operator Training & License Examination 5 Other (Explain)

F Administration G Operational Error (Explain)

H Other (Explain)