Tag Archives: Diablo Canyon

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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Attack of the Sea Salp: California nuke shut down by jellyfish invasion‏

On Wednesday, operators at the Diablo Canyon nuclear power plant manually scrammed the Unit 2 reactor “due to an influx of sea salp – a small, jellyfish-like organism – in the intake structure.” The plant activated the reactor’s auxiliary feedwater … Continue reading

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Updates on lot of stuff: Bloomberg News puts lots of pieces together

Great coverage of the nuts and bolts of nuclear power! The Bellingham (WA) Herald carried a report compiled by the Bloomberg News service today: U.S. nuclear-power production fell 2.1 percent to the lowest level in more than 10 months as four reactors shut in … Continue reading

Posted in Comanche Peak, Diablo Canyon, Event Reports, Farley, FitzPatrick, Nuclear Regulatory Commission, Plant shutdowns, Reactor problems, Robinson, South Texas Project, St. Lucie, Susquehanna | Tagged , , , , , , , , , , | Leave a comment

Event Report: “Inadvertent alert” at California nuke

During a training scenario in the plant’s simulator yesterday morning, technicians at the Diablo Canyon nuclear power plant in California inadvertently issued an Alert notification for the Unit 1 reactor. The warning was specific: it reported “a loss of the Unit … Continue reading

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Event Reports: Worker exposure, medical misadministration, fuel storage problems and fire safety defects

Some items from today’s Nuclear Regulatory Commission’s Event Reports page:  1. The Yaffe Iron and Metal Company reported to the Oklahoma Department of Environmental Quality that the scrap metal yard had discovered an “orphaned radioactive source” in an outgoing shipment … Continue reading

Posted in Evacuation plans, Event Reports, Nuclear Regulatory Commission, Nuclear waste, Radioactive waste, Reactor problems, Worker exposure | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment

Scrams, acid spills, generator problems and unexpected emergency water….

Memorial Day was a busy one for the 104 nuclear reactors in the United States. In addition to a pair of emergency diesel generator problems, two unscheduled activations of emergency cooling systems and a sulfuric acid spill, there were three scrams … Continue reading

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Human error results in two NRC Event Reports

Today’s Event Reports on the NRC website contains two events that stem from operator error: 1. Yesterday morning, Diablo Canyon in California experienced an unplanned start of the system’s emergency diesel generators when employees working on an electrical relay for … Continue reading

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