ML043490246

November 2004 Monthly Operating Reports for San Onofre Nuclear Generating Station, Units 2 and 3

ML043490246
Person / Time
Site:	San Onofre
Issue date:	12/09/2004
From:	Scherer A Southern California Edison Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML043490246 (9)

Text

SOUTHERN CALIFORNIA A. Edward Scherer EDISONC Manager of Nuclear Regulatory Affairs An EDISON INTERN\ATIONAL Company December 9, 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 November 2004 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 November 2004 for San Onofre Nuclear Generating Station, Units 2 and 3, Attachments 1 and 2, respectively.

Ifyou have any questions, please contact Mr. C. E. Williams at (949) 368-6707.

Sincerely, Attachments 1 & 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, November 2004 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: December 9, 2004 November 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT I 1 1 Design Electrical Rating (Net MWe) l 1070 2 Maximum Dependable Capacity (Net MWe) 1070 This Month Yr-to-Date Cumulative 3 Number of Hours in Period 720 8,040 186,625 4 Number of Hours Reactor Was Critical* 691 6,714 152,487 5 Hours Generator On-line* 627 6,519 150,449 6 Unit Reserve Shutdown Hours* 0 0 0 I 7 Net Electrical Energy Generated (MWh)* 692,740 7,233,767 161,349,723

• Rounded

MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 2 UNIT 2 Date: December 9, 2004 November 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS Number 2004-03 Date (YY/MM/DD) 04/11/19 Type (1) F Duration (Hours)* 93.4 Reason (2) A Method of Shutting Down the Reactor (3) 3 Electrical ground on isophase bus caused automatic generator trip, automatic turbine trip, and automatic Reactor trip. This event will be reported Cause/Corrective Actions/Comments in LER 2-2004-004 on or before January (Include LER number, if any) 18, 2005.

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

B-Maintenance orTest 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: December 9, 2004 November 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 11/01/04 0000 Unit in Mode 1.

11/19/04 0807 Electrical ground on isophase bus caused automatic generator trip, automatic turbine trip, and automatic Reactor trip. Auxiliary Feedwater initiated automatically. Unit entered Mode 3.

11/20/04 1201 Unit entered Mode 2.

11/20/04 1242 Reactor critical.

11/23/04 0222 Unit entered Mode 1.

11/23/04 0531 Generator synchronized to the grid.

11/23/04 1745 Unit returned to essentially full power.

11/30/04 2400 Unit in Mode 1.

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

Attachment 2 Monthly Operating Report, November 2004 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: December 9, 2004 November 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT 1 l Design Electrical Rating (Net MWe) l 1080 2 l Maximum Dependable Capacit (Net MWe) I 1080 This Month Yr-to-Date Cumulative 3 Number of Hours in Period 720 8,040 181,176 4 Number of Hours Reactor Was Critical* 0 6,285 149,633 5 Hours Generator On-line* 0 6,264 147,484 6 Unit Reserve Shutdown Hours* 0 0 0 7 Net Electrical Energy Generated (MWh)* 0 6,950,238 156,482,449

• Rounded

MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: December 9, 2004 November 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS Number 2004-003 Date (YY/MM/DD) 04/09/27 Type (1) S Duration (Hours)* 720.0 Reason (2) C Method of Shutting Down the Reactor (3)4 4 Cause/Corrective Actions/Comments Continuation of scheduled Unit 3 (Include LER number, if any) Cycle 13 Refueling Outage

' Rounded (1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain) 8-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)

S-Other (Explain)

MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS - 3 UNIT 3 Date: December 9,2004 November 2004 Completed by: C. E. Williams Telephone: (949) 368-6707 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 11/01/04 l 0000 I Unit defueled.

11/30/04 l 2400 l Unit defueled.

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