Power was out around Arizona on Friday due to the rainy weather. The Arizona Public Service Co., on its website, reported ...

Arizona lawmakers want more solar energy projects in western areas of the state, a goal that could get mixed support from the White House.

The Arizona Corporation Commission approved a plan to reduce Tucson Electric Power Company bills starting April 1.

Hundreds of customers are without power on the Eastside near Speedway and Pantano, according to Tucson Electric Power’s ...

Arizona's leading utility companies are exploring the addition of a second nuclear reactor to meet the state's growing energy ...

A Friday morning storm system caused power outages at thousands of homes across the Valley and hundreds of flight delays.

An anti-nuclear group is planning a protest at Tucson Electric Power, following word that three utilities might pursue a new reactor in Arizona.

Congress is considering repealing clean energy tax credits and undermining local investments. Rep. Juan Ciscomani has ...

A city zoning examiner rejected three TEP requests for zoning exceptions to allow for high-voltage power lines to be ...

Power was out around Arizona on Friday due to the rainy weather. The Arizona Public Service Co., on its website, reported seven outages in metro Phoenix with 468 customers affected, four outages ...