design of the Fukushima Daiichi units

Most of the restarted reactors have been pressurized water reactors (PWR) located in western Japan. Onagawa Unit 2 and Shimane Unit 2, by contrast, are the first boiling water reactors (BWR) to be restarted. Onagawa Unit 2 is also the first reactor in the eastern part of the country to be restarted. Japan’s nuclear regulator prioritized the restart of PWRs due to public safety concerns regarding BWR technology, which is the design of the Fukushima Daiichi units Japan suspended its nuclear fleet from 2013 to 2015 for mandatory safety checks and upgrades following the 2011 Fukushima Daiichi accident. Before the accident, 54 commercial nuclear reactors were operating in Japan, and nuclear power accounted for approximately 30% สล็อตเว็บตรง