LOS ANGELES (AP) — Federal regulators are considering slapping a California utility with two violations for problems that eventually led to the permanent closure of the San Onofre nuclear power plant.
The Nuclear Regulatory Commission said Monday that Southern California Edison failed to identify a flawed design for four replacement steam generators, which led to excessive wear to hundreds of tubes that carried radioactive water.
Edison announced in June it was shutting down the plant between Los Angeles and San Diego for good, after a drawn-out fight over whether the reactors were too damaged to operate safely.
The trouble began in January 2012, when a small radiation leak led to the discovery of the tube damage.
Separately, the NRC says it issued a "notice of nonconformance" to Mitsubishi Heavy Industries, the Japan-based company that built the generators.