FILE – An aerial photo of the Diablo Canyon Nuclear Power Plant, south of Los Osos, in Avila Beach, Calif., is seen on June 20, 2010. California’s last operating nuclear power plant could get a second lease on life. At the urging of Gov. Gavin Newsom, owner Pacific Gas & Electric is taking steps it hopes will extend the operating licenses for the twin reactors, which now expire in 2024 and 2025. (Joe Johnston/The Tribune via AP, File)