The California Energy Commission approved a major update to the state's building code, establishing new requirements for houses and business buildings.

California’s push to 100% clean energy by 2045 will require an area roughly the size of the cities of Los Angeles, San Diego and San Francisco combined.

California regulators ordered PG&E to hire an independent safety monitor for five years, rejecting the utility’s request for a shorter period of oversight.

The near shutdown of the California-Oregon Intertie by a wildfire renewed concerns about the vulnerability of major transmission pathways.

California Gov. Gavin Newsom signed an emergency declaration aimed at keeping the lights on this summer by waiving clean-air rules and paying more for demand response.

PG&E said the Dixie Fire burning in Northern California could hurt its finances but denied it committed crimes in starting last year’s deadly Zogg Fire.

Increased use of renewable diesel and greater availability of hydropower helped California cut its greenhouse gas emissions by 1.7% in 2019.

The West needs new transmission near term and far more in the long term for California to meets its goal to provide customers with 100% clean energy.

California utilities are finding ways to overcome the financial barriers to electrifying residences as the state pursues its net zero goals.

A new technology to convert natural gas into hydrogen for bus fuel is starting a three-year test run in Thousand Palms, Calif.