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California Weighs Diablo Canyon Extension
Coverage from The Equation, The Mercury News, and others
California is weighing whether Diablo Canyon, its last operating nuclear power plant, should continue beyond the state-authorized 2030 limit and potentially operate through 2044-2045.
Federal regulators have renewed the plant’s licenses, but extending operations under California law would require legislative action. Supporters cite reliable carbon-free electricity, rising demand, and potential savings, while opponents point to seismic risk, ocean-water impacts, spent-fuel concerns, and the costs of prior support agreements.
The story has sharpened from a general relicensing dispute into a more concrete political decision point: federal renewal is already in place, but California still has not acted to override the 2030 state limit. The current version also adds more specific stakes around system savings, Diablo Canyon’s share of California power, and the unresolved legislative path.
The story has sharpened from an open-ended relicensing fight into a more specific regulatory reality: federal approval now clears Diablo Canyon to run through 2045, but California still has to change state law for that to happen. The debate is also shifting toward the system-cost implications of keeping the plant versus replacing it with new clean-energy infrastructure.