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SCE Announces That Nuclear Regulatory Commission Finds Flaws in Mitsubishi Heavy Industries' Design That Led to Failed Steam Generators at San Onofre

The Nuclear Regulatory Commission (NRC) has confirmed to Southern
California Edison (SCE) that the NRC has identified flaws in how
Mitsubishi Heavy Industries (MHI) used its computer codes to design the
failed steam generators at the San Onofre Nuclear Generating Station
(SONGS). The NRC further informed Southern California Edison that it is
issuing a “Notice of Non-Conformance” against MHI for its flawed
computer modeling in the failed design. The NRC is also citing SCE for
failing to ensure that MHI's modeling and analysis were adequate.

In particular, the NRC reports indicate that MHI's use of its computer
codes in the design of the steam generators inaccurately predicted
thermal hydraulic conditions in the steam generators, leading to tube

See full press release

Posted-In: News Guidance Asset Sales Management Global

 

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