Friday, May 18, 2018

Commendable Nuclear Safety Catch at the Susquehanna Nuclear Plant

The owner of the two boiling water reactors (BWRs) at the Susquehanna Steam Electric Station in northeastern Pennsylvania notified the Nuclear Regulatory Commission (NRC) on April 2, 2018, that workers’ mistakes rendered an emergency core cooling system on Unit 1 vulnerable to being disabled by an earthquake at the same time that another emergency core cooling system was out of service for work on its power supply system. This is good news—not in having two safety systems impaired while the reactor operated, but in how quickly the problem was detected and corrected.

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