Category Archives: Diablo Canyon

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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Update on Diablo Canyon: Senate committee to hold hearings on closure

Yesterday, I told you that the former NRC resident inspector at the Diablo Canyon nuclear power plant is calling for the facility to be closed over seismic concerns. Today, closure may be one step closer. According to an Associated Press … Continue reading

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Former NRC resident inspector says Diablo Canyon should be closed over earthquake concerns

As Northern California begins to recover from a 6.0 magnitude earthquake, a former resident inspector is calling for the closure of the Diablo Canyon nuclear power plant until the facility’s ability to withstand a major earthquake can be assessed. The … Continue reading

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Event Report: Both diesel generators for reactor 2 at Diablo Canyon declared inoperable

A problem with the reactor’s emergency diesel generators (EDG) has shut down Unit 2 at the Diablo Canyon nuclear power plant in California. According to the Event Report filed with the Nuclear Regulatory Commission this morning, an inspection revealed a … Continue reading

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A scary half-hour in California as sirens blare; Follow-up text message warns of “civil emergency”

The Sacramento CBS affiliate reported last Friday: Residents of California’s San Luis Obispo County received a series of unsettling erroneous emergency alerts as repairs were being made to a nuclear power plant’s siren system. Emergency services manager Ron Alsop says … Continue reading

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New report finds high rates of cancer near California nuke

CalCoastNews.com reported to today: A report by the World Business Academy that details negative health trends in the area surrounding the Diablo Canyon Nuclear Power Plant in San Luis Obispo County was released Monday. Stephen W. Hosea, MD, the associate … Continue reading

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Event Reports: More diesel generator problems

As I told you on Monday, California’s Diablo Canyon nuclear power plant determined that in certain wind and weather conditions, the Unit 1 reactor’s diesel generator might not be able to operate safely. On Friday, Saint Lucie in Florida reported … Continue reading

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Event Reports: Two reactor scrams, problems with Fitness for Duty system and Californians crazy from the heat

  Some items from today’s NRC Event Notification Reports page:   1. Last Friday afternoon, operators at the Clinton nuclear power plant in Illinois were ramping up the Unit 1 reactor from an outage when the reactor pressure vessel water level began … Continue reading

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Weird Event Report from Diablo Canyon

On July 10, 2013, the Unit 2 reactor at Diablo Canyon in California shut itself down following a a voltage irregularity from the unit’s diesel generator. According to the report sent to the NRC: The preliminary cause of the differential … Continue reading

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Event Reports: Diablo Canyon declares Unusual Event following 5.3 earthquake, San Onofre reports a hydrogen leak, fire at Nine Mile Point

Both of California’s nuclear power stations reported incidents to the Nuclear Regulatory Commission last Monday: 1. Diablo Canyon declared an Unusual Event following a 5.3 magnitude earthquake Sunday in the Salinas Valley in central California. The earthquake met two of … Continue reading

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