Arizona Corporation Commission cuts APS's DSM budget from $91M to $40M and debates energy efficiency subsidies.

At its Dec. 3 open meeting, the Arizona Corporation Commission voted 5-0 to remand the Lava Run Interconnection Project to ...

Arizona Corporation Commission approves TEP's energy supply deal for a data center with customer protection terms.

The Arizona Corporation Commission has approved an energy-supply agreement between local utility Tucson Electric Power (TEP) ...

The contentious saga of Project Blue — a massive planned data-center campus in the Tucson area — has taken a new turn as the ...

PHOENIX (AP) - Arizona utility regulators are moving to reduce the potential profits of the state’s largest electricity provider as part of a pending rate-setting case that also includes consideration ...

PHOENIX — Arizona Corporations Commission chairman Kevin Thompson said the ACC is working on balancing utility prices while making sure companies are doing well financially. “We want to make sure that ...

Arizona courts are under pressure amid a wave of cases asking the state Supreme Court to intercede for basic fair-trial ...

PHOENIX – With summerlike heat already here and triple-digit temperatures around the corner, Arizonans are cranking up the air-conditioning in April. As electricity use increases, some Arizona ...

Ethics have become a central issue in the race for two seats on the Arizona Corporation Commission, amid controversies including bribery charges against a past chairman and charges that the state’s ...

In Arizona we may take for granted that when we turn on our air conditioners during the hot summer months, it will come on to keep us cool. Our lights will always come on to light our way. And in the ...