(The following is a reformatted version of a press release
issued by Southern California Edison and received via electronic
mail. The release was confirmed by the sender.) 
Media Contact: Media Relations, (626) 302-2255
Investor Relations Contact: Scott Cunningham, (626) 302-2540 
SCE Submits License Amendment to Support San Onofre Unit 2
Action Supports Efforts to Meet Customer Electricity Demand
During Hot Summer Months 
ROSEMEAD, Calif., April 8, 2013 --Southern California Edison
(SCE) has voluntarily submitted a license amendment request to
the Nuclear Regulatory Commission (NRC) to support safely
restarting Unit 2 of the San Onofre Nuclear Generating Station
in time to address customer electricity demand and grid
reliability concerns during the upcoming summer months. SCE took
the action Friday, April 5, following public discussion of a
draft amendment on Wednesday, April 3, with the staff of the
The amendment supports SCE’s plan to initially operate Unit 2 at
70 percent power for five months.
SCE asked the NRC to act on the amendment before the end of May
to facilitate commencement of the restart process for Unit 2 by
June 1 so that the unit will be available to assist in meeting
peak summer electricity demand. Following the initial five-month
operating period, SCE would shut down Unit 2 for steam generator
tube inspections. Based on inspection data, Unit 2 would resume
operation at 70 percent power for an appropriate operating
period during the remainder of the 18-24 month fuel cycle while
SCE updates its analysis to determine the appropriate long-term
power level. 
Operating at 70 percent power prevents conditions that caused
the tube-to-tube wear in Unit 3 that resulted in the nuclear
plant being shut down since January 2012. SCE and three
independent companies with expertise in nuclear generation have
confirmed it is safe to operate the Unit 2 steam generators. The
NRC has been evaluating these analyses, which are based on
exhaustive testing and inspections, since October 2012. 
SCE will remain focused on safety throughout any plant restart
and operating activities, and will take the time necessary to
ensure all activities are performed with a full focus on the
health and safety of the public and our employees. 
The San Onofre nuclear plant is the largest source of baseload
generation and voltage support in the region and is a critical
asset in meeting California’s clean energy needs. According to a
report prepared in 2010 by IHS Global Insight, operating the
nuclear plant directly generates economic activity worth on
average $2.2 billion per year. The impact grows to $3.3 billion
per year if secondary economic effects are considered, which
include the supply chain purchases of businesses supported by
the nuclear plant and spending by those employed by the plant. 
Both units at the San Onofre nuclear plant are currently safely
shut down. Unit 2 remains shut down since it was taken out of
service Jan. 9, 2012, for a planned outage. Unit 3 was safely
taken offline Jan. 31, 2012, after station operators detected a
leak in a steam generator tube.
More information is available at and
at San Onofre is jointly owned by SCE
(78.21 percent), San Diego Gas & Electric (20 percent) and the
city of Riverside (1.79 percent). Follow us on Twitter
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License amendment available at:
About Southern California Edison
An Edison International (NYSE:EIX) company, Southern California
Edison is one of the nation’s largest electric utilities,
serving a population of nearly 14 million via 4.9 million
customer accounts in a 50,000-square-mile service area within
Central, Coastal and Southern California. 
(bjh) NY 
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