While there are mixed reactions from citizens, safety has been made a priority, and nuclear energy will mean less negative environmental impact. Japan’s nuclear power industry was once thought to be indestructible. Related Story Fukushima Five Years LaterNo nuclear power plants were opened or reopened in Japan for fifteen years following the Fukushima tragedy. The immense capacity of Kashiwazaki-Kariwa still makes it the largest nuclear power plant in the world. “Energy policies can be technical and complex, which can hinder public understanding,” the country’s 2025 strategic energy plan stated.