Category Archives: Explosion

Explosion and fire cause Alert declaration at South Carolina nuclear power plant

Posted on March 7, 2016 by Robert Singleton

Yesterday afternoon, an explosion and fire took place in the Unit 1 transformer at the Oconee Nuclear Station near Seneca, South Carolina. The reactor shut itself  down as a result of the incident. According to a report filed today with the … Continue reading →

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NRC says that 2013 accident at Arkansas nuclear plant was worse than it first appeared

Posted on June 24, 2014 by Robert Singleton

One March 31, 2013, workers at Arkansas Nuclear One, were removing a stator, a large part of a diesel generator, from the generator building. During the loading process, the stator slipped and fell to the floor of the building. One … Continue reading →

Posted in Arkansas Nuclear, Emergency diesel generators, Event Reports, Explosion, Nuclear Regulatory Commission, Worker fatality, Worker injury | Tagged , , , , , | Leave a comment

Event Reports: An Arizona nuke reports an explosion five months after the fact and a Michigan licensed nuke worker fails a Fitness for Duty test

Posted on April 11, 2014 by Robert Singleton

Two items from this morning’s Nuclear Regulatory Commission’s Event Notification Report: 1. Last November, the Palo Verde nuclear power plant reported a control room alarm that indicated low fluid pressure in a hyrdaulic accumulator serving a main steam isolation valve … Continue reading →

Posted in Cook, Event Reports, Explosion, Fitness for Duty, Nuclear Regulatory Commission, Palo Verde | Tagged , , , , , , , , , | Leave a comment

New report on March 2011 Fukushima disaster says much of water pumped into system never reached reactor cores

Posted on December 14, 2013 by Robert Singleton

Japan’s Asahi Shimbun reported today: Fire engines were used in a desperate, and ultimately futile, attempt to pump water to cool overheating reactors during the early phase of the 2011 Fukushima No. 1 nuclear power plant disaster, Tokyo Electric Power … Continue reading →

Posted in Earthquake, Explosion, Fire, Fukushima, GE Mark I reactor, Japan, Meltdown, Radiation leak, TEPCO | Tagged , , , , , | Leave a comment

Update: NRC Event Report, updates have more details on explosion, fire at Arkansas Nuclear

Posted on December 10, 2013 by Robert Singleton

The Nuclear Regulatory Commission carried an Event Report with a couple of updates concerning yesterday’s explosion and fire at Arkansas Nuclear One’s facility. Here’s a portion of the initial Event Report: At approximately 0748 [CST] on 12/9/2013, an electrical fault occurred … Continue reading →

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Update on Arkansas Nuclear: NRC confirms explosion in turbine building, adds that Unusual Event declared, one source of offsite power is also down

Posted on December 9, 2013 by Robert Singleton

The Nuclear Regulatory Commission issued this statement on the fire and shutdown at Arkansas Nuclear today: The Nuclear Regulatory Commission has activated its incident response center in Arlington, Texas, following the declaration of an Unusual Event at the Arkansas Nuclear … Continue reading →

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Breaking news: Fire contined at Arkansas Nuclear, one unit offline, explosion in turbine building reported

Posted on December 9, 2013 by Robert Singleton

Reuters reported earlier today: A fire at a nuclear plant in Arkansas operated by Entergy Corp is contained, local media reported on Monday, citing a company spokeswoman. The Courier News newspaper reported the fire broke out in a transformer at … Continue reading →

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Update on Pennsylvania nuke fire: There was also an explosion….

Posted on November 7, 2013 by Robert Singleton

I suspected that the initial press report I read on the fire at the Beaver Valley nuclear power plant might have been just a rewrite of a FirstEnergy Nuclear Operating Co. press release. Here’s what was left out, according to … Continue reading →

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Event Report: Small explosion in switchyard at Tennessee nuke

Posted on February 13, 2012 by Robert Singleton

The Sequoyah nuclear power plant in Tennessee reported to the Nuclear Regulatory Commission that a small explosion had taken place in the electrical switchyard on Sunday morning. The plant declared a site emergency and issued a Notice of Unusual Event. … Continue reading →

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Most radiation exposure was outside of Fukushima exclusion zone, according to new report

Posted on December 13, 2011 by Robert Singleton

Reuters reported today: Residents outside the Fukushima exclusion zone were likely most exposed to radiation in the four months after the nuclear plant was wrecked by the March 11 earthquake and tsunami, the local government said on Tuesday. Their exposure … Continue reading →

Posted in Earthquake, Explosion, Fukushima, GE Mark I reactor, Japan, Meltdown, Plant shutdowns, Radiation leak, Reactor problems | Tagged , , , | Leave a comment