Vallecitos Nuclear Center

[1] The facility is approximately 30 miles (48 km) east of San Francisco, under jurisdiction of the US Nuclear Regulatory Commission's Region IV.

[2] The Vallecitos boiling water reactor (VBWR) was the first privately owned and operated nuclear power plant to deliver significant quantities of electricity to a public utility grid.

This reactor—a light-water moderated and cooled, enriched uranium reactor using stainless steel-clad, plate-type fuel—was a pilot plant and test bed for fuel, core components, controls, and personnel training for the Dresden Nuclear Power Plant, a Commonwealth Edison station built in Illinois five years later.

[7] Vallecitos also fabricated radioactive source materials used in medicine and industry, under a license issued by the State of California.

[8] In May 2023, GE Hitachi announced the cessation of operations at the Vallecitos Nuclear Center with the intent of transferring ownership of the site to NorthStar Group Services for overall decommissioning.