A timeline of major events at the San Onofre Nuclear Generating Station: 1968: Unit 1 nuclear reactor begins ... operating at reduced power. April 2013: Edison International, parent of Southern ...

1967: San Onofre Unit 1, California’s first large commercial nuclear reactor, begins operating on June 17. 1973: A non-nuclear mechanical failure leads to a 13-week shutdown of the power plant ...

The seven-week journey of an old but vital piece of the San Onofre nuclear power plant ... vessel that helped generate electricity at Unit 1 of the plant arrived last week at a licensed disposal ...

Southern California Edison announced Friday it is permanently shutting down the troubled San Onofre nuclear ... power to about 1.4 million homes. The shutdown also means that 1,100 workers at the ...

San Onofre initially shipped 270 spent fuel assemblies from its original Unit 1 reactor by ... building at San Onofre Nuclear Power Plant on Thursday, Aug. 1, 2024, in San Diego County, CA.

The seven-week journey of a 770-ton shipment of an old but vital piece of the San ... Onofre nuclear power plant has been completed. The reactor pressure vessel that helped generate electricity at ...

SAN CLEMENTE (AP) — It will take more than the flip of a switch to replace power lost from the troubled San Onofre nuclear plant ... City of Riverside. The Unit 1 reactor operated from 1968 ...

The two reactors at the San Onofre nuclear plant will be shut down permanently, Southern California Edison announced early Friday. The power giant ... shutdown of one unit; the other was already ...

Southern California Edison will begin shutting down the Unit 3 reactor Oct. 10 at the San Onofre Nuclear Generating ... Edison held an open house about the power plant Thursday evening at San ...

The damaged San Onofre nuclear power plant in Southern California ... to federal regulators to restart the Unit 2 reactor. But any plan to restart the plant must be approved by the Nuclear ...

Nov. 1, 2011 - An ammonia leak in the San Onofre Nuclear Generating Station prompted ... SCE asks NRC to turn on Unit 2 but only operating with a limit of 70 percent power. Oct. 9, 2012 ...