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Mitsubishi Blamed In San Onofre Plant Closure

Above: The tightly packed steam generator tubes that are at the root of San Onofre's problems

LOS ANGELES (AP) — Southern California Edison says it is seeking to hold Mitsubishi Heavy Industries Ltd. and Mitsubishi Nuclear Energy Systems liable for defective steam generators that forced the closure of the San Onofre nuclear power plant.

The utility says in a statement Thursday that Mitsubishi should be accountable for designing and manufacturing replacement steam generators that were supposed to operate for 20 years but leaked radioactive coolant after less than a year of operation.

The $670 million steam generators were supposed to extend the life of the twin-reactor plant on the coast between Los Angeles and San Diego, but the leak and discovery of excessive wear in the equipment force the utility to take it offline in January 2012. Southern California Edison subsequently announced the plant is being permanently closed.

Troubles At San Onofre Timeline

Comments

Avatar for user 'Mmikey'

Mmikey | July 18, 2013 at 11:12 a.m. ― 1 year, 5 months ago

no form of warranty was given with this expensive equipment ?

( | suggest removal )