Japan plans new nuclear reactor, first since 2011 Fukushima crisis

Japan is planning to resume nuclear reactor construction for the first time since the 2011 Fukushima disaster, signaling a significant policy shift toward nuclear energy. Kansai Electric Power Co. has announced plans to conduct surveys for a potential new reactor at its Mihama Nuclear Power Plant in Fukui prefecture. This move comes amid rising electricity demand driven by power-intensive technologies like artificial intelligence and data centers, and reflects Japan’s urgent need to secure stable, carbon-free energy sources. The company aims to explore replacing the aging No. 1 reactor currently being decommissioned, though no construction timeline has been set. The announcement has been positively received by the market, with shares of Kansai Electric and related companies like Mitsubishi Heavy Industries rising sharply. Mitsubishi’s SRZ-1200 reactor model is considered the leading candidate for the project. Japan currently operates 33 nuclear reactors, but fewer than half are active due to regulatory, safety, and public acceptance challenges following Fukushima. However, public opinion is shifting in favor of