Niigata Assembly Green-Lights Kashiwazaki-Kariwa Restart

Japan last faced a comparable dilemma when Three Mile Island Unit-1 was cleared to restart in 1985—six years after the 1979 meltdown next door—illustrating how societies gradually trade acute accident trauma for long-term energy imperatives. Today’s vote echoes that pattern: a resource-poor, aging Japan is squeezed between the geopolitical cost of importing ¥10 trn of fossil fuels each year and the carbon limits of a warming planet, while data-center demand surges. The decision slots into a broader 21st-century nuclear re-entrenchment visible from France’s EPR relaunch to China’s fast-reactor build-out, yet it also revives the governance question that felled TEPCO in 2011—corporate transparency and local consent. Whether the restart proves routine or becomes another cautionary tale will shape public tolerance for large reactors well beyond Japan; on a 100-year horizon it may mark either the inflection where big-nuke technology regained legitimacy in an era of decarbonisation, or the moment a society, again, underestimated low-probability, high-impact risk.