Nuclear Regulatory Commission requires changes at 31 plants . NRC wants enhancements to help contain damage from any accident . Reactors are similar in design to Fukushima plant in Japan . Comment: The reactors were designed and built by the same company, Westinghouse Electric Company ( WEC).
Nuclear Regulatory Commission requires changes at 31 plants . NRC wants enhancements to help contain damage from any accident . Reactors are similar in design to Fukushima plant in Japan . Earthquake , tsunami caused meltdown at Fukushima in 2011 .