Tag Archives: Connecticut

Event Reports: More doors left open

A couple of items from Event Reports submitted to the Nuclear Regulatory Commission (NRC) last week concerned loss of containment. There have been a lot of incidents of this sort this year. 1. Last Wednesday morning at a time not … Continue reading

Posted in Event Reports, Loss of Containment, Millstone, Nine Mile Point, Nuclear Regulatory Commission | Tagged , , , , , , , , | 1 Comment

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: 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

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NRC Event Reports: What’s the deal with all the open doors?

Last week, there were incidents involving loss of containment at the Oyster Creek and Limerick nuclear power plants due to doors being left open. Today, the Nuclear Regulatory Commission’s Event Reports page contains two more loss of containment incidents. The … Continue reading

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Update: NRC bent over backwards to not shut Millstone

As I told you this morning, Unit 2 at the Millstone nuclear power plant in Connecticut had to be shut down yesterday because the water used to cool the reactor exceeded the operational temperature set out in Millstone’s license. What … Continue reading

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Event Reports: Three nukes shut down (or should have been) over weekend; toxic gas release, high temperature, stuck control rod assembly to blame

1. Friday morning, operators at the Watts Bar nuclear power plant in Tennessee declared an emergency and issued a Notice of Unusual Event (NOUE) for the facility’s sole reactor. The NOUE was the result of the detection of a toxic … Continue reading

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Event Reports: Fitness for Duty, a maintenance error and a bad seal

Three items from this morning’s NRC Event Reports page: 1. On Friday morning, an employee supervisor at the Grand Gulf nuclear power plant failed a random Fitness for Duty screening. Test results showed the presence of prohibited drugs in the … Continue reading

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Update on Connecticut nuke shutdown

When operators at the Millstone nuclear power plant in Connecticut attempted to restart the Unit 3 reactor on Sunday, a loss of condensor vacuum forced a manual shutdown of the unit. London, Connecticut’s The Day reported that there were additional … Continue reading

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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

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Water leak closes Connecticut nuke

The Houston Chronicle just reported: ¬† The Nuclear Regulatory Commission says Connecticut’s Millstone nuclear power plant has shut one of its two reactors to stop a water¬†leak. Neil Sheehan, a spokesman for the federal agency, said Tuesday the reactor in … Continue reading

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