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The San Onofre Nuclear Generating Station (SONGS) is a permanently closed nuclear power plant located south of San Clemente, California, on the Pacific coast, in Nuclear Regulatory Commission Region IV. The plant was shut down in 2013 after defects were found in replacement steam generators; it is currently in the process of being decommissioned.
The nuclear powered steam generator started as a power plant for the first nuclear submarine, the USS Nautilus. It was designed and built by the Westinghouse Electric Company power company for the submarine; from there the company started its development and research of nuclear-powered steam generators. [3]
On March 20, 1978, a power supply failure for the plant's non-nuclear instrumentation system led to steam generator dryout (ref NRC LER 312/78-001). This triggered an automatic reactor shutdown.
SCE Exercised Responsible Oversight for Replacement Steam Generators at the San Onofre Nuclear Plant ROSEMEAD, Calif.--(BUSINESS WIRE)-- Letters released today by Southern California Edison (SCE ...
Globally, there have been at least 99 (civilian and military) recorded nuclear power plant accidents from 1952 to 2009 (defined as incidents that either resulted in the loss of human life or more than US$50,000 of property damage, the amount the US federal government uses to define nuclear energy accidents that must be reported), totaling US$20.5 billion in property damages.
On February 15, 2021 during a major power outage that impacted much of the state of Texas, an automatic reactor trip shut South Texas Nuclear Generation Station Unit 1 due to low steam generator levels. According to a Nuclear Regulatory Commission report, the low steam generator levels were due to loss of feedwater pumps 11 and 13. However ...
However, the reactor continued to generate decay heat, initially equivalent to approximately 6% of the pre-trip power level. Because steam was no longer being used by the turbine and feed was not being supplied to the steam generators, heat removal from the reactor's primary water loop was limited to steaming the small amount of water remaining ...
Steam generator tubes unexpectedly crack at Maine Yankee nuclear reactor; shut down of the facility for a year: 0: 62: May 16, 1995: Salem, New Jersey, USA: Ventilation systems fail at Salem Units 1 and 2: 0: 34: February 20, 1996: Waterford, Connecticut, US: Leaking valve forces shutdown Millstone Nuclear Power Plant Units 1 and 2, multiple ...