Rebates for installations of solar-energy systems on homes and businesses in Tucson Electric Power Co. territory will drop next year, along with surcharges ratepayers pay to support such subsidies, ...

Switch to solar with a system built for you. Arizona is one of the best states for going solar. It has the highest average solar potential of any state, relatively low rooftop solar installation costs ...

Arizona consistently averages more sunny days than any other U.S. state, and using the power of the sun has turned into big business. Solar businesses have benefitted from government tax credits to ...

As their homes bake under blistering heat, many Arizonans have turned to rooftop solar panels to convert the state’s characteristic sunshine into sellable energy. But in the past year, homeowners ...