Arizona's largest electric utility said January 22 that it plans to switch to 100% carbon-neutral power generation by 2050, a sharp turnaround from a company that spent tens of millions of dollars two years ago to fight a ballot measure requiring it to use renewable sources.

The new CEO of Arizona Public Service Co. vowed today the company, its parent company, Pinnacle West, and other known affiliates won’t spend money on campaigns for utility regulators while he’s in charge.

It took the former CEO of APS roughly 10 years to answer questions at the Arizona Corporation Commission and it’s taken less than one month for his successor to do the same.

After more than five years as one of the most influential behind-the-scenes players in Arizona politics, Don Brandt took center stage at the Arizona Corporation Commission on September 4 to answer questions about shut offs and political spending, among other topics.

The incoming chief executive of Pinnacle West Capital Corp. refused Wednesday to promise that the company won't spend money in the future to elect utility regulators of its choosing.

The head of the state's largest electric company is stepping down, but not before utility regulators get a chance to grill him next month on company practices and policies.

Customers of the state's largest electric company are apparently stuck with the bills they're getting now, at least for the foreseeable future.

With three seats open and five Republicans already filed to run who have ties to Arizona Public Service, the Arizona Corporation Commission is shaping up for a big election in 2020. Kim Owens, the latest Republican candidate to jump into ...

The newest state utility regulator wants an outside investigation of the heat-related death of an Arizona Public Service customer and the policies of the Arizona Corporation Commission and the actions of its staff that may have contributed to that.

Having burned through $28 million in a pair of losing political battles in Arizona last year, California billionaire Tom Steyer is now prepared to pump some more cash into the state.