ML042920119

September 2004 Monthly Operating Report for San Onofre Nuclear Generating Station, Units 2 and 3

ML042920119
Person / Time
Site:	San Onofre
Issue date:	10/14/2004
From:	Scherer A Southern California Edison Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML042920119 (9)

Text

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SOUTHERN CALIFORNIA EDISONR An EDISOBE' INTFl?

70N'AL @ Company A. Edward Scherer Manager of Nuclear Regulatory Affairs October 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 September 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-15, this letter provides the Monthly Operating Reports for August 2004 for San Onofre Nuclear Generating Station, Units 2 and 3, Attachments 1 and 2, respectively.

If you 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

<<A Monthly Operating Report, September 2004 San Onofre Nuclear Generating Station, Unit 2

MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 September 2004 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-361 SONGS - 2 October 14, 2004 C. E. Williams (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT I 1 l Design Electrical Rating (Net MWe) l 1070 2 lMaximum Dependable Capacity (Net MWe) l 1070 This Month Yr-to-Date Cumulative 3

Number of Hours in Period 720 6,575 185,160 4

Number of Hours Reactor Was Critical*

720 5,278 151,050 5

Hours Generator On-line*

720 5,147 149,077 6

Unit Reserve Shutdown Hours*

0 0

0 7

Net Electrical Energy Generated (MWh)*

805,501 5,706,016 159,821,972

• Rounded

MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 September 2004 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-361 SONGS - 2 October 14, 2004 C. E. Williams (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS Number NIA 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)

• Rounded (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 TriplScram 3-Automatic Trip/Scram 4-Continuation from Previous Month (Explain) 5-Other (Explain)

MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 2 September 2004 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-361 SONGS - 2 October 14, 2004 C. E. Williams (949) 368-6707 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date 09/01/04 09/30/04 Time 0000 Unit in Mode 1.

2400 Unit in Mode 1.

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

Monthly Operating Report, September 2004 San Onofre Nuclear Generating Station, Unit 3

MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 September 2004 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-362 SONGS-3 October 14, 2004 C. E. Williams (949) 368-6707 Page 2 of 4 OPERATING DATA REPORT l 1 l Design Electrical Rating (Net MWe) l 1080 1 2 Maximum Dependable Capacitv (Net MWe) 1080 This Month Yr-to-Date Cumulative 3

Number of Hours in Period 720 6,575 179,711 4

Number of Hours Reactor Was Critical*

636 6,285 149,633 5

Hours Generator On-line*

636 6,264 147,484 6

Unit Reserve Shutdown Hours*

0 0

0 7, Net Electrical Energy Generated (MWh)*

691,506 6,950,238, 156,482,449

• Rounded

MONTHLY OPERATING REPORT SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 September 2004 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-362 SONGS - 3 October 14, 2004 C. E. Williams (949) 368-6707 Page 3 of 4 UNIT SHUTDOWNS Number 2004-003 Date (YY/MM/DD) 04/09/27 Type (1)

S Duration (Hours)*

84 Reason (2)

C Method of Shutting Down the Reactor (3) 1 Cause/Corrective Actions/Comments N/A (Include LER number, if any)__

• Rounded (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-Operatlonal 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 SAN ONOFRE NUCLEAR GENERATING STATION UNIT 3 September 2004 Docket No:

Unit Name:

Date:

Completed by:

Telephone:

50-362 SONGS - 3 October 14, 2004 C. E. Williams (949) 368-6707 Page 4 of 4

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time 09/01/04 0000 Unit in Mode 1.

09/27/04 0800 Unit began downpower for scheduled refueling outage.

09/27/04 1200 Operators trip reactor from approximately 12% power. Unit enters Mode 3.

09/27/04 1710 Unit enters Mode 4.

09/28/04 0356 Unit enters Mode 5.

09/30/04 2400 Unit in Mode 5.

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