Tucson Electric Power owns the 250-megawatt Oso Grande Wind Project near Roswell, New Mexico, where wind turbines are seen ...

Arizona’s three biggest utilities have joined forces to assess the feasibility of adding more nuclear generating capacity to ...

The contractor hired to do some site improvements for KORE Power’s now-nixed battery plant in Buckeye claims it’s owed more ...

The U.S. is barreling toward an energy transition as renewables — especially solar — become ever-cheaper sources of energy. Renewables and natural gas have been gaining while coal has ...

Electric consumers across the desert Southwest stand to benefit from big investments in renewable energy thanks to an award ...