A city zoning examiner rejected three TEP requests for zoning exceptions to allow for high-voltage power lines to be installed across three Tucson intersections. It comes as ...

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

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

said it plans to hold a curbside press conference and demonstration at 12:15 p.m. Tuesday in front of the downtown headquarters of Tucson Electric Power near Broadway Road and Sixth Avenue.

Arizona and Tucson Electric Power Co. filed a notice of settlement to resolve the state’s claims it’s entitled to costs Arizona incurred responding to hazardous substances at a landfill.

Arizona Public Service (APS), Salt River Project (SRP), and Tucson Electric Power (TEP) on Feb. 5 in a ... Officials on Wednesday said siting work for additional nuclear would consider SMRs ...