UPDATE 1-PG&E Calif. Diablo Canyon 1 reactor out 2 months

Mon Jan 26, 2009 11:58am EST

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(Releads with duration of outage, reason)

LOS ANGELES Jan 26 (Reuters) - PG&E Corp.'s (PCG.N) 1,122-megawatt Unit 1 at the Diablo Canyon nuclear power station in California will be shut for about two months for refueling and to replace its four steam generators, the company said.

The unit began shutting down on Sunday.

Unit 1 opened in 1985 and this is the first time the four steam generators have been replaced, said Emily Christiansen, spokeswoman for PG&E.

Unit 2 at the same plant was built in 1985 and its steam generators were replaced during a refueling outage last year similar to the one now occurring at Unit 1. That outage of Unit 2 took 68 days, about twice the normal refueling outage, said Emily Christiansen, PG&E spokeswoman.

Unit 2 can make about 1,118 MW of power.

The outage of about two months was expected by the power trading market.

The 2,240 MW Diablo Canyon station is located in Avila Beach in San Luis Obispo County, about 195 miles (314 km) northwest of Los Angeles.

Unit 2 continues to operate at full power.

One MW powers about 700 homes in California.

PG&E, of San Francisco, owns and operates more than 6,200 MW of generating capacity, markets energy commodities, and transmits and distributes electricity to 5.1 million customers and natural gas to 4.2 million customers in California. (Reporting by Bernie Woodall and Joe Silha; Editing by John Picinich)

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