Most new nuclear fission reactors being built today are of the light water reactor (LWR) type, which use water for neutron moderation into thermal neutrons as well as neutron capture. While ...

The similar US EBR-II operated from 1964 to 1994, including simulated emergencies like a sudden shutdown at full power, demonstrating the passive safety of these pool-type sodium-cooled reactors ...

began operation on Nov. 14, 1974. The reactor is a pressurized water reactor-type with an output of 826,000 kilowatts. The reactor was shut down after the 2011 Great East Japan Earthquake and tsunami.

The plant utilizes boiling water reactors (BWR), the same type as the Fukushima No. 1 nuclear power plant, which suffered triple meltdowns following the earthquake and tsunami. The resumption ...