TOKYO—Japanese Prime Minister Naoto Kan on Friday submitted a formal request for a halt to all electricity production at Chubu Electric Power Co.’s Hamaoka nuclear power plant in the central Chubu region due to concerns about the plant’s preparedness for a major earthquake.
The move immediately affects the No. 4 and 5 units, which are currently operating with an output of around 2,500 megawatts. In addition, it cancels the potential resumption of electricity production at the No. 3 unit, (…)