State utility regulators on Thursday invited the top executive of Arizona Public Service to answer questions at next month’s Arizona Corporation Commission meeting with the clear implication that, if he doesn’t come willingly they, will force the issue.

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

Arizona kicked off the holiday weekend with a fight with Nike that put the governor in the national spotlight. Was that the intent all along, and what might that signal for Gov. Doug Ducey’s future plans?

The state's largest electric utility acknowledged Wednesday that it settled claims with the survivors of two other customers who were found dead in their homes, not counting last year's death of 72-year-old Sun City West resident Sandra Pullman.

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.

Gov. Doug Ducey on Thursday tapped former Republican congressional contender Lea Marquez Peterson to the agency that decides how much utilities can charge their customers.

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.

It’s been more than a decade since the Arizona Corporation Commission approved the Renewable Energy Standard and Tariff, requiring Arizona utilities to generate 15 percent of their power from renewable sources by 2025.

The state’s largest electric utility admitted late Friday that it gave $10.7 million to organizations that spent heavily in the 2014 race for the Arizona Corporation Commission, which regulates energy companies.