Tag Archives: Monticello

Event Report: Problem at Monticello plant shows why nuke licenses should not be extended

This morning, Minnesota’s Monticello nuclear power plant informed the Nuclear Regulatory Commission (NRC) that it had determined that a number of relays in the facility’s sole reactor had exceeded their analyzed shelf life and as a result had been declared … Continue reading

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Event Reports: A reactor shuts itself down in Mississippi, a Fitness for Duty report from Connecticut and another day, another open door

From today’s Nuclear Regulatory Commission’s Event Notification Report page: 1. On Sunday, the sole reactor at the Grand Gulf nuclear power plant in Mississippi shut itself down following a turbine trip. Grand Gulf’s report stressed that all the shutdown systems … Continue reading

Posted in Event Reports, Fitness for Duty, Grand Gulf, Loss of Containment, Millstone, Monticello, Nuclear Regulatory Commission, Reactor problems | Tagged , , , , , , , , , , , , | Leave a comment

Do you live near one of these 32 reactors? GE Hitachi still not sure they can be shut down safely after an earthquake

¬† GE Hitachi (GEH) posted¬†an update on the NRC website today: “GE Hitachi Nuclear Energy (GEH) provided an update to its guidance and supporting evaluations that were reported in MFN 08-420 R0 on December 19, 2008 and MFN 10-245 R5 … Continue reading

Posted in Browns Ferry, Brunswick, Clinton, Columbia, Cooper, Dresden, Duane Arnold, Event Reports, Fermi, FitzPatrick, Fukushima, Grand Gulf, Hatch, Hope Creek, LaSalle, Limerick, Monticello, Nine Mile Point, Oyster Creek, Peach Bottom, Perry, Pilgrim, Quad Cities, River Bend, Vermont Yankee | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Event Reports: Reactor scrams in Pennsylvania, New York, Texas and New Jersey; excess radiation in Minnesota, a fire in New York, a toxic gas release in Ohio and a drunken supervisor in Florida

This post is kind of lengthy, as I haven’t been able to get around to looking at Event Reports for a couple of weeks. Here’s the news: 1. Early in the morning of Friday, November 9, operators at the Susquehanna … Continue reading

Posted in Comanche Peak, Event Reports, Fire, Fitness for Duty, FitzPatrick, Monticello, Nuclear Regulatory Commission, Perry, Plant shutdowns, Reactor problems, Salem, Susquehanna, Turkey Point, Vogtle | Tagged , , , , , , , , , , , , , , , , , , , | Leave a comment

Update on Minnesota reactor shutdown

Late Saturday, there was an automatic reactor shutdown at the Monticello nuclear power plant in Minnesota, with an accompanying report of high temperatures in the discharge canal. A supplemental Event Report to the NRC this morning says that the temperature … Continue reading

Posted in Event Reports, GE Mark I reactor, Monticello, Nuclear Regulatory Commission, Plant shutdowns, Reactor problems | Tagged , , , , , , | Leave a comment

Event Reports: Two reactor scrams, a faulty safety system and something missing in spent fuel pool

Four items from this morning’s NRC Event Reports: 1. Late Saturday, operators were performing valve bypass testing on Unit 1 at the Monticello nuclear power plant in Minnesota, when the reactor scrammed and the Reactor Protective System activated on low … Continue reading

Posted in Event Reports, Millstone, Monticello, Nuclear Regulatory Commission, Palo Verde, Plant shutdowns, Reactor problems | Tagged , , , , , , , , , | Leave a comment

Event Reports: Reactor shutdown, bad welds and overlooked Fitness for Duty tests

It’s Monday morning, and the Nuclear Regulatory Commission website has a slew of Event Reports from the weekend: 1. As I previously posted, Monticello nuclear in Minnesota developed a problem over the weekend. The reactor shut itself down automatically on … Continue reading

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