Tag Archives: Prairie Island

Event Reports: Loss of offsite power, seismic vulnerability, a dropped control element assembly and another and another Fitness for Duty violation

This week in nuclear power kicked on Hallloween: 1. Friday afternoon, the Diablo Canyon nuclear power facility in California experienced an unplanned activation of all six of the plant’s emergency diesel generators when a thunderstorm knocked out offsite power to the station. … Continue reading

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Event Reports: Flooding shuts down Nebraska nuke, electrical problems close unit in Minnesota and a Texas nuke issues a report on invalid diesel generator activation after a couple of months

From today’s NRC Event Notification Report page: 1. The Fort Calhoun nuclear power plant in Nebraska began a controlled shutdown of the facility’s nuclear reactor as the National Weather Service issued a warning that the Missouri River would rise above … Continue reading

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Event Report: Loss of Control Room boundary at Minnesota nuke

Yesterday morning, the Prairie Island nuclear power plant in Minnesota lost both unit’s Control Room Special Vent Boundary when a door handle in the Control Room fell off. Air could be felt flowing through the hole, causing an opening in … Continue reading

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Event Reports: False earthquake report in Minnesota and a false start on maintenance in Connecticut

Two items from today’s Event Notification Report page on the NRC website: 1. Friday afternoon, the Seismic Monitor at Minnesota’s Prairie Island nuclear power plant indicated an earthquake had occurred. Prairie Island operators determined that the alarm was invalid, based … Continue reading

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Event Reports: Leftover parts in Minnesota and a false alarm in Pennsylvania

A couple of items from today’s the Nuclear Regulatory Commission’s Event Notification Report page: 1. On New Year’s Eve, the Prairie Island nuclear power plant informed the NRC that it had “discovered that multiple upper lateral support shims and bumpers … Continue reading

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Event Reports: Reactors shut down in Minnesota, Wisconsin and Tennessee, and another alcohol-at-work incident; Minnesota incident involves small fires in both Emergency Diesel Generators

(Just a note on the above illustration: It’s from a gallery of Power Plant Trading Cards at: http://www.industcards.com/. I don’t make this stuff up, I just make fun of it.) Some items from this week’s NRC Event Reports page: 1. … Continue reading

Posted in Drunk at work, Event Reports, Fire, Fitness for Duty, Plant shutdowns, Point Beach, Prairie Island, Reactor problems, Sequoyah, Waterford | Tagged , , , , , , , , , , | Leave a comment

Event Reports: Tritium leak at Virginia nuke and a reactor scram in Minnesota

Two items from this morning’s NRC Event Reports: 1. The North Anna nuclear power plant notified the NRC that it had received a laboratory report from a water sample submitted on Feb. 17 from an on-site test well. The report … Continue reading

Posted in Event Reports, North Anna, Nuclear Regulatory Commission, Plant shutdowns, Prairie Island, Radiation leak, Reactor problems, tritium | Tagged , , , , , , , , | Leave a comment

Event Report: Minnesota nuke leaked condensate containing tritium following pump failure

Yesterday afternoon, a condensate return pump failed at the Prairie Island nuclear power plant in Minnesota, releasing 27 gallons water. Prairie Island released an unusually detailed report of what the water contained: “The release contained the following chemicals: 1) 11.2 … Continue reading

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Event Report: Minnesota nuke leaked tritium late last year

After reviewing an incident from the last week of November, 2011, the Prairie Island nuclear power plant decided that the seriousness of the accident required an Event Report to the Nuclear Regulatory Commission. Prairie Island reported that 3,900 gallons of … Continue reading

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Update: Alert terminated at Minnesota nuke

Officials at the Prairie Island nuclear power plant in Minnesota have terminated the alert that they issued yesterday after a ruptured pipe leaked sodium hypochlorite into the facility’s chlorine house. Fumes from the spilled chemicals were determined to be Immediately … Continue reading

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