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San Onofre Nuclear Generating Station
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The San Onofre Nuclear Generating Station (SONGS) is a nuclear power plant located on the Pacific coast of California. The 84-acre (34 ha) site is in the northwestern corner of San Diego County, south of San Clemente, and surrounded by the San Onofre State Park and next to the I-5 Highway.
San Onofre Nuclear Generating Station Unit 1 is no longer in service and has been dismantled. It is being used as a storage site for spent fuel. It had a spherical containment of concrete and steel with the smallest wall being 6 feet (1.8 m) thick. This reactor was a first generation Westinghouse pressurized water reactor that operated for 25 years, closing permanently in 1992. Units 2 and 3, Combustion Engineering pressurized water reactors, continue to operate and generate 1,172 MWe and 1,178 MWe respectively.
The nuclear power plant is operated by Southern California Edison. Edison International, parent of SCE, holds 78.2% ownership in the plant; San Diego Gas & Electric Company, 20%; and the City of Riverside Utilities Department, 1.8%. The plant employs over 2000 people.
| San Onofre Nuclear Generating Station | |
|---|---|
| Country | United States |
| Locale | San Diego County, California |
| Status | Operational |
| Commission date | August 8, 1983 (Unit 2) April 1, 1984 (Unit 3) |
| Licence expiration | Unit 2: February 16, 2022 Unit 3: November 15, 2022 |
| Decommission date | November 30, 1992 (Unit 1) |
| Operator(s) | Southern California Edison |
| Reactor information | |
| Reactors operational | 1 x 1172 MW 1 x 1178 MW |
| Reactor type(s) | pressurized water reactor |
| Reactor supplier(s) | Westinghouse (Unit 1) Combustion Engineering (Units 2 & 3) |
| Power generation information | |
| Annual generation | 17,204 GW·h |
