The Arizona Corporation Commission has fielded some Valley residents’ concerns regarding a potential rate hike for the ...

After President Donald Trump called for the reopening of Arizona’s first coal power plant, the state’s top utility regulator ...

Arizona Public Service Co. and Tucson Electric Power will soon ask regulators to greenlight a rate hike for customers.

Arizona Public Service has spent a decade reshaping Arizona's energy policies in its favor. But this is its boldest move yet.

Arizona Public Service disconnected the power of 82-year-old Kate Korman, who was later found deceased. The Arizona Corporation Commission is investigating the incident after public pressure.

PHOENIX — Arizona Public Service officials filed paperwork this week, saying they intend to file a formal rate case in June. The request comes one year after the Arizona Corporation Commission ...

The commission confirmed to ABC15 that it ... Korman was found dead in her Sun City West home last year, six days after Arizona Public Service shut off her power on May 13 th because of missed ...