Tag Archives: coolant leak

Update on Peach Bottom feedwater issue: NRC approves increase in maximum power after next refueling outage

The NRC’s timing couldn’t be worse. As I told you earlier today, the Peach Bottom nuclear power plant in Pennsylvania reported that the Emergency Service Water system that provides cooling water in the event of an accident was inoperable. The … Continue reading

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Event Report: Peach Bottom gets NRC approval to continue operating, despite leak in safety system

The Peach Bottom nuclear power plant in Pennsylvania reported that both trains of the Emergency Service Water (ESW) system were inoperable “due to a pin-hole, through wall piping leak.” The leak was discovered Saturday afternoon, and affects the safety of … Continue reading

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Duke Energy admits that plant operators “didn’t take all possible precautions” to prevent leak that shut down South Carolina nuke

South Carolina’s Morning News Online reported today: Site operators didn’t take all possible precautions to prevent a radioactive water leak that led to shutdown of a South Carolina nuclear reactor, officials with Duke Energy said Thursday, also saying they’d learn … Continue reading

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New cooling system leak affecting the spent fuel pool at Fukushima reactor 5

The Asahi Shimbun reported today: A leak of radioactive water was found in the piping of water used to cool the spent fuel pool in the undamaged No. 5 reactor building of the Fukushima No. 1 nuclear power plant, its … Continue reading

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Event Report: Ohio nuke leaking coolant

During a walkdown inspection yesterday evening, technicians at the Davis-Besse nuclear power plant in Ohio discovered what they said was a pinhole leak in a weld in the Reactor Coolant System. The plant’s sole reactor is currently shut down for … Continue reading

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Canadian nuke reports coolant leak, worker exposure to radiation

Hydro Quebec reported that Unit 2 at the Gentilly nuclear power plant leaked heavy water coolant into the facility’s reactor building last week. Two workers were exposed to low levels of radiation in the incident. Details are still thin about … Continue reading

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French nuclear reactor shuts down following two small fires; Subsequent investigation reveals on-going reactor coolant leak

The Wall Street Journal reported earier today: French state-controlled utility Electricité de France SA said late Thursday that a leak was detected at one of its nuclear reactors in northwestern France, after two small fires were extinguished at the site … Continue reading

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Water level continues to fall at Fukushima reactor

The Japan Times reported today: The water cooling the core of the crippled Fukushima power plant’s No. 2 reactor is only 60 cm deep, Tokyo Electric Power Co. said Monday, all but confirming experts’ fears that the unit is breached … Continue reading

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Canadian nuke evacuated after heavy water spill

CTV News reported this afternoon: Officials at New Brunswick Power have pegged a damaged pump diaphragm as the culprit of a recent radioactive heavy water spill at the Point Lepreau nuclear power plant. Staff were evacuated from the plant in … Continue reading

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Event Report: VA nuke leaks coolant

The North Anna nuclear power plant in Virginia reported to the NRC today that the Letdown Pressure Control Valve in the Unit 1 reactor failed yesterday morning, resulting in a release of coolant to the Pressurizer Relief Tank. After the valve reseated, operators … Continue reading

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