Southern California Edison proposes using seismic to study risks of tsunamis at the San Onofre Nuclear Generating Station

Source: Southern California Edison

Southern California Edison (SCE) plans to file a funding authorization request with the California Public Utilities Commission on Friday, April 15, 2011, for ongoing seismic studies related to the San Onofre Nuclear Generating Station. The research is designed to increase scientific understanding of seismic and tsunami conditions that could affect the nuclear power plant

SCE is requesting $64 million for the seismic program and studies, which represents less than 1 percent of current overall rates. 

“We have been planning the seismic and tsunami studies for several months,” said SCE Chief Nuclear Officer Pete Dietrich. “Following the recent tragic natural disasters in Japan, we re-evaluated and enlarged the scope in order to further increase the scientific information we could obtain.” 

The new studies would employ enhanced data gathering and analysis technologies capable of providing a deeper, more complete assessment. The studies would include preparing an updated tsunami hazard analysis, as well as conducting 2-D and 3-D reflective mapping offshore and additional onshore evaluations. The study would also reprocess and reanalyze existing data, using more modern digital and numerical computer processes; and supplement existing geodetic and seismological networks. 

SCE owns 78.21 percent of the San Onofre Nuclear Generating Station, while San Diego Gas & Electric holds 20 percent and the City of Riverside holds 1.79 percent interest in the plant. 

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.



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