Newsom declines Diablo Canyon extension push; Senator Laird looks to 2027– Gov. Gavin Newsom will not push state lawmakers to extend Diablo Canyon Power Plant’s operation beyond 2030 this year, according to reports. “Governor Newsom’s announcement Friday that he will not act this year on the extension of Diablo Canyon is not surprising. “In the meantime, we will continue meeting with stakeholders and residents of San Luis Obispo County, and we will be ready for future discussions about Diablo Canyon’s future. Federal regulators approved renewed licenses for Diablo Canyon’s two reactors in April.