It ultimately may not matter if Arizonans vote in November to require utilities to generate more of their electricity from renewable sources.

Billionaire Democratic mega-donor Tom Steyer criticized the state’s largest electric company and the biggest competitor of his clean energy ballot initiative Friday for using shady tactics to block a public vote of the renewable energy measure in November.

The state’s largest utility is staying out of the Republican primary race for two open Arizona Corporation Commission seats, risking a shakeup that could have serious ramifications for the company.

The Corporation Commission may soon take another look at retail electric competition, just five years after its last foray into the issue ended with a whimper.

The parent company of the state's largest electric utility filed suit Thursday in a bid to block voters from deciding if they want to impose new renewable energy mandates on power companies.

The state's largest electric utility already has set aside close to $11 million to make elections this year come out the way it wants.

As scandal erupted in the Republican special primary election in Arizona's 8th Congressional District, a Senate staffer was revealed to have exchanged suggestive text messages with former state Sen. Steve Montenegro.

The state’s largest utility wasted no time in spending money to discredit a ballot measure that seeks to increase renewable energy goals.

A judge won't help Bob Burns force Arizona Public Service to disclose the money it has spent -- and may spend in the future -- to elect candidates of its choice.

Pinnacle West Capital Corp., parent company of Arizona Public Service, has donated $10,200 to the Ducey for Governor campaign through its political action committee.