Category 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

Posted on April 20, 2013 by

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 Report: Loss of power incident activated generators, emergency cooling systems at New York nuclear power plant

Posted on October 20, 2012 by

The James A. FitzPatrick nuclear power plant near Oswego, New York notified the Nuclear Regulatory Agency that on October 5, 2012, it lost offsite power to its sole reactor. The loss of power caused automatic systems including the Reaction Water … Continue reading →

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Update on NRC Bulletin on electrical problems: Problem in April with South Carolina nuke may be related

Posted on July 27, 2012 by

The NRC is threatening the Catawba nuclear plant in South Carolina with increased inspections following a loss of power incident in April. The details, as reported by South Carolina newspaper The State, sound as if they might be the same … Continue reading →

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NRC Bulletin warns plants of potential design flaw that could affect electrical systems following loss of offsite power

Posted on July 27, 2012 by

The Nuclear Regulatory Commission issued a Bulletin today requesting information from all 104 operating commercial nuclear reactors in the United States. According to an NRC press release: The Nuclear Regulatory Commission has issued a Bulletin to all nuclear power plant … Continue reading →

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Event Report: New Jersey nuke shuts down after losing offsite power

Posted on July 25, 2012 by

Early Monday morning, the Oyster Creek nuclear power plant in New Jersey declared an Unusual Event after losing offsite power. The reactor shut down automatically. The loss of power caused the start of the plant’s Emergency Diesel Generators. Offsite power was restored after … Continue reading →

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Event Reports: Everything’s leaking, spilling or shutting down

Posted on June 15, 2012 by

Okay, the headline is an overstatement, but I’m inclined to hyperbole when I don’t have time to post every day. And no, the woman in the wetsuit looking at the Oyster Creek plant is not standing in anything leaked from … Continue reading →

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IAEA to investigate February incident at South Korean nuke

Posted on June 3, 2012 by

The International Atomic Energy Agency has announced that it will conduct at investigation into a February loss-of-power incident at South Korea’s Gori-1 nuclear power plant. As Prensa Latina reported today: Nearly five months later, experts from the International Atomic Energy … Continue reading →

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Event Report: South Carolina nuke loses offsite power

Posted on April 5, 2012 by

The Catawba nuclear power plant in South Carolina lost all offsite power to its two reactors last night. The plant declared a Notice of Unusual Event (NOUE) as required by its lcense whenever the facility loses offsite power for more … Continue reading →

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

Posted on February 29, 2012 by

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: Operators scram Illinois nuke following turbine trip

Posted on February 8, 2012 by

The Unit 2 reactor at the Byron nuclear power plant in Illinois has been shut down since January 31, following a loss of offsite power incident. On Monday of this week, repairs had been completed, and operators were attempting to … Continue reading →

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