FERC declined to act on a petition that accused the Salt River Project of violating PURPA with rates that discriminate against customers with rooftop solar.

House members and their state regulator witnesses split over how much an expanded transmission grid could enable a reliable transition to a low-carbon future.

As state regulators begin a process to repeal renewable energy and energy efficiency standards for electric utilities, a group of lawmakers want the regulators to reconsider clean energy rules they previously rejected.

Arizona’s decision to join the U.S. Climate Alliance could rev the state’s clean energy economy, some observers said, but others warn that politics could get in the way.