PERRY, Ohio — A reactor coolant system leak caused the Perry Nuclear Power Plant in Lake County to shut down for two days last week. A spokesperson for the Nuclear Regulatory Commission tells ...

According to the U.S. Nuclear Regulatory Commission, once the temperature is below 200 degrees Fahrenheit (93 Celsius) and the reactor coolant system is at atmospheric pressure, the reactor is in ...

The March 11 quake triggered the world's worst nuclear accident since Chornobyl in 1986 when a reactor at the Fukushima Daiichi plant 240 kilometers north of Tokyo exploded after its cooling ...

This eliminates many of the large and complex systems (e.g., reactor coolant pumps, motors, valves, large-diameter reactor coolant system piping) found in today’s nuclear power plants and other ...

Mark I Reactor High Pressure Emergency Core Cooling System: The Automatic Depressurization System (BROWN) can be used to release pressure in the reactor. It reroutes some of the steam to the ...