In December 2024, the Arizona Corporation Commission (ACC or the Commission) adopted a Formula Rate Plan (FRP) Policy Statement, allowing regulated utilities to propose a mechanism for annual rate adjustments through a...more
The local economies of many communities in the southwest are tied to the operations of large coal-fired power plants. As those plants start closing, the communities can face significant disruption in their local economies...more
Over the past two years, the Arizona Corporation Commission (ACC) has been considering how to address the rapidly changing electric energy landscape. Through a variety of proceedings, the ACC is reviewing existing...more
After a year of development, including workshops and public input, the Arizona Corporation Commission has adopted its first Code of Ethics. The Commission believes that its new Code is the most comprehensive in the country...more
The Arizona Corporation Commission is addressing new policies that could affect a variety of regulated utilities in Arizona in the near future. The policies are intended to provide guidance on issues that are often points of...more
On October 7, 2016, the Arizona Corporation Commission’s Hearing Division issued a Recommended Opinion and Order (“ROO”) in the Commission’s Investigation of the Value and Cost of Distributed Generation docket (Docket No....more
The Arizona Corporation Commission recently reviewed a Certificate of Environmental Compatibility (CEC) issued by the Arizona Power Plant and Transmission Line Siting Committee for the SunZia transmission line project...more