Arizona Corporation Commission Chair Kevin Thompson is warning that calls to reopen the shuttered Cholla coal plant threaten ...

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A former top attorney for the Arizona Corporation Commission has agreed to settle a discrimination lawsuit she filed against ...

Arizona Public Service said it had become too costly to operate due to strict environmental regulations. The mandates were aimed at reining in coal-burning utilities, long viewed by scientists as ...

Arizona Public Service Co. and Tucson Electric Power will soon ask regulators to greenlight a rate hike for customers.

Arizona Public Service Co. and Tucson Electric Power will soon ask regulators to greenlight a rate hike for customers.

By signing the bill, Hobbs drew fresh scrutiny to a donation she accepted from Arizona Public Service ... Arizona Corporation Commission members and the Arizona attorney general.

The Industrial Commission of Arizona released details of its May 1 meeting. The meeting took place in Phoenix, Ariz., and was open to members via in person, telephone, or video conference. The ...

Arizona Public Service (APS) faced criticism for disconnecting an elderly customer's power due to unpaid bills, highlighting the challenges of balancing service provision with customer ...