Editorial: Japan gov't moves to restart aging nuclear reactors unjustifiable May 1, 2021 (Mainichi Japan) It appears that, for the first time, nuclear power stations commissioned more than 40 years ago will be restarted. Tatsuji Sugimoto, the governor of the central Japan prefecture of Fukui, has agreed to reactivate the Kansai Electric Power Co.'s (KEPCO) Takahama Nuclear Power Station Unit 1 and 2, and Mihama Nuclear Power Station Unit 3. In the aftermath of the nuclear meltdowns at the Fukushima Daiichi Nuclear Power Station operated by Tokyo Electric Power Co. (TEPCO) in March 2011, nuclear power stations have been limited to an operational period of "40 years in principal."