Power companies GE Vernova, Vistra, and Constellation Energy are among the worst-performing companies on the S&P 500 Tuesday.

Darden storage site in Fresno County is the first California project to be permitted under the state’s new Opt-In Certification program to speed environmental review of critical energy infrastructure ...

Shares of electric utility and nuclear power plant operator Vistra ( VST -3.74%) stock tumbled 4.1% through 12:55 p.m. ET ...