As record setting heat impacted Arizona and surrounding states, APS customers set a new all-time peak energy demand record on Sunday, Aug. 2, 2026.

Investments in the grid, year-round maintenance, and careful planning help APS deliver the reliable service customers count on when they need it most.

APS President and CEO Ted Geisler recently joined The Mike Broomhead Show on KTAR 92.3 FM to discuss APS’s plans to convert two units at the Cholla Power Plant in northeastern Arizona from coal to natural gas — a project …

APS announced plans today to develop a site west of Gila Bend, Ariz., capable of adding up to 2,000 megawatts (MW) of reliable, flexible generation to the state’s energy portfolio. 

To keep your power reliable, no matter the season or weather, APS uses a diverse mix of energy sources, including nuclear, natural gas, solar, wind, energy storage, coal and programs that help customers use less energy during times of high demand.

Soaring temperatures pushed energy use to another high as APS customers set a peak energy demand record for the third time this summer. 

Today, Arizona Public Service (APS), City of Mesa, Salt River Project (SRP), Tucson Electric Power (TEP) and UniSource Energy Services announced commitment plans for Transwestern Pipeline’s Desert Southwest expansion project. This new natural gas …