ML040160448

December 2003 Monthly Operating Report for San Onofre, Units 2 and 3

ML040160448
Person / Time
Site:	San Onofre
Issue date:	01/14/2004
From:	Scherer A Southern California Edison Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML040160448 (9)

Text

k91 SOUTHERN CALIFORNIA A. Edward Scherer LJEDISONa Manager of Nuclear Regulatory Affairs An EDISON INTERNATIONALe Company January 14, 2004 U. S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555

Subject:

Docket Nos. 50-361 and 50-362 Monthly Operating Reports for December 2003 San Onofre Nuclear Generating Station, Units 2 and 3 Gentlemen:

As required by Technical Specification 5.7.1.4 of Facility Operating Licenses NPF-10 and NPF-1 5, this letter provides the Monthly Operating Reports for December 2003 for San Onofre Nuclear Generating Station, Units 2 and 3, Attachments 1 and 2, respectively.

If you have any questions, please contact Mr. Geoff Cook at (949) 368-7571.

Sincerely, G~~~~~of Attachments I & 2 cc: B. S. Mallett, Regional Administrator, NRC Region IV B. M. Pham, NRC Project Manager, San Onofre Units 2 & 3 C. C. Osterholtz, NRC Senior Resident Inspector, San Onofre Units 2 & 3 P.O. Box 128 San Clemente, CA 92674-0128 949-368-7501 Fax 949-368-7575

Attachment I Monthly Operating Report, December 2003 San Onofre Nuclear Generating Station, Unit 2

MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 2 UNIT 2 Date: January 14, 2004 December 2003 Completed by: G. Cook Telephone: (949) 368-7571 Page 2 of 4 OPERATING DATA REPORT I 1 l Design Electrical Rating (Net MWe) l 1070 l 2 l Maximum Dependable Capacity (Net MWe) l 1070 This Month Yr-to-Date Cumulative 3 Number of Hours in Period 744 8,760 178,585 Number of Hours Reactor Was Critical* 744 8,704 145,773 5 Hours Generator On-line* 744 8,671 143,930 6 Unit Reserve Shutdown Hours 0 0 0 7 Net Electrical Energy Generated (MWh)* 838,979 9,712,483 154,115,956

• Rounded

MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 2 UNIT 2 Date: January 14, 2004 December 2003 Completed by: G. Cook Telephone: (949) 368-7571 Page 3 of 4 UNIT SHUTDOWNS Number N/A Date (YY/MM/DD) N/A Type (1) N/A Duration (Hours) N/A Reason (2) N/A Method of Shutting Down the Reactor (3) N/A Cause/Corrective Actions/Comments N/A (Include LER number, if any)

(1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

(3) Method: 1-Manual 2-Manual Trip/Scram 3-Automatic Trip/Scram 4-Continuation from Previous Month (Explain) 5-Other (Explain)

MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 2 UNIT 2 Date: January 14, 2004 December 2003 Completed by: G. Cook Telephone: (949) 368-7571 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 12/01/03 0000 Unit in Mode 1.

12/31103 l 2400 1Unit in Mode 1.

Note: There were no challenges to the pressurizer safety valves during the month.

Attachment 2 Monthly Operating Report, December 2003 San Onofre Nuclear Generating Station, Unit 3

MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: January 14, 2004 December 2003 Completed by: G. Cook Telephone: (949) 368-7571 Page 2 of 4 OPERATING DATA REPORT I1 1Design Electrical Rating (Net MWe) l 1080 l 2 l Maximum Dependable Capacity(Net MWe) l 1080 This Month Yr-to-Date Cumulative 3 Number of Hours in Period 744 8,760 173,136 4 Number of Hours Reactor Was Critical* 744 7,770 143,347 5 Hours Generator On-line* 744 7,741 141,220 6 Unit Reserve Shutdown Hours 0 0 0 7 Net Electrical Energy Generated (MWh)* 831,817 8,596,269 149,532,211

• Rounded

MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: January 14, 2004 December 2003 Completed by: G. Cook Telephone: (949) 368-7571 Page 3 of 4 UNIT SHUTDOWNS Number NIA Date (YY/MM/DD) N/A Type (1) NIA Duration (Hours) N/A Reason (2) N/A Method of Shutting Down the Reactor (3) NIA Cause/Corrective Actions/Comments N/A (Include LER number, if any)

(1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

(3) Method: 1-Manual 2-Manual Trip/Scram 3-Automatic Trip/Scram 4-Continuation from Previous Month (Explain) 5-Other (Explain)

F MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: January 14, 2004 December 2003 Completed by: G. Cook Telephone: (949) 368-7571 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 12/01/03 0000 Unit in Mode 1.

12117/03 0410 Commenced Unit 3 shutdown pursuant to Technical Specification 3.0.3 due to inoperability of two trains of the Emergency Core Cooling System (ECCS).

12/17/03 0800 Exited Technical Specification 3.0.3. (Unit 3 shutdown terminated at approximately 52% Reactor Power.)

12/17103 1551 Unit 3 reported at essentially full power.

12131103 2400 Unit in Mode 1.

Note: There were no challenges to the pressurizer safety valves during the month.