Although some environmental groups oppose the extension, the Diablo Canyon Power Plant provides about 17 percent of California’s zero-carbon electricity supply.
Six years ago, the company that owns California’s last operating nuclear power plant announced it would seek an extended lifespan for its aging reactors. Pacific Gas and Electric Co. envisioned Diablo Canyon as a linchpin in the state’s green energy future, with its low-carbon electricity illuminating homes to nearly midcentury.
WASHINGTON— Federal regulators need to reassess seismic standards at California’s last operating nuclear power plant and determine if its operating rules are sufficient in light of earthquake risks, a former California state senator says.Sam Blakesle...