Tag Archives: loss of offsite power

Lightning strike knocks out off-site power at Illinois nuke; plant’s two units were on emergency diesel generators overnight

The Associated Press reported on Thursday, April 18: The U.S. Nuclear Regulatory Commission says a lightning strike knocked out power to a northern Illinois nuclear plant for several hours Wednesday night, but emergency generators kicked in to keep the site … Continue reading

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Event Reports: Illinois reactor suffers another loss of offsite power incident

Yesterday afternoon, operators at the Byron nuclear power plant in Illinois declared an Unusual Event due to a malfunction in the switchyard that caused the Unit 2 reactor to lose offsite power. Emergency diesel generators started following the incident, and … Continue reading

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Event Report: Update on loss of power incident at Illinois nuke

Today’s NRC Event Reports include the incident yesterday morning at the Byron Unit 2 reactor in Illinois. There are three significant updates.   First, the reactor is still operating on power supplied by the unit’s emergency diesel generators. So, at … Continue reading

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Event Reports: Bearing failure in Michigan, loss of offsite power in Wisconsin

A couple of items from today’s Nuclear Regulatory Commission Event Reports today: 1. Friday afternoon, operators at the Cook nuclear power plant in Michigan manually started the Unit 1 Auxiliary Feedwater Pumps after one of the pumps suffered a bearing failure. … Continue reading

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