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.

State lawmakers are moving to curb the ability of regulators to seek documents from some private companies because of a fight with one firm that doesn't want to cough up the information.

The Arizona Corporation Commission has restarted talks of electric retail competition five years after a similar effort fell flat.

Jurors will get to see what could prove a critical email that prosecutors say should help prove that Gary Pierce purposely sought to conceal a land deal at the center of a bribery case.

State action may threaten about 40,000 jobs in Arizona’s energy industry, but those jobs aren’t ones that immediately come to mind. Instead, the 40,000 jobs – more than coal, wind, solar, oil and gas combined – are in energy efficiency.

The state's largest electric utility may have outmaneuvered a utility regulator in the fight over its records about its campaign spending.

A bill that critics said would threaten the future of Arizona's fledgling solar-energy industry has died after its sponsor announced Feb. 25 that she was withdrawing it.