ACP reported a drop in the pipeline of new projects as federal policies shifted this year, but installations have yet to be impacted by those changes.

Arizona regulators are moving toward a repeal of a renewable energy standard for utilities, saying the mandate has cost ratepayers billions of dollars since it was adopted in 2006.

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.