Arizona Public Service company

Arizona Corporation Commission

Arizona regulators are moving to reduce the potential profits of the state’s largest electricity provider as part of a pending rate-setting case that also includes major coal-related issues. 


Screenshot/Matt McGrath, Twitter

More than two weeks ago firefighters extinguished a small wildfire on the San Francisco Peaks that started when a tree fell on a power line. It was the second such fire in the last year involving the line. KNAU’s Ryan Heinsius reports.


A fire and explosion in April 2019 halted the expansion of batteries for Arizona Public Service Co., but the state’s largest utility has restarted the effort to get more of its power from solar panels.



Federal regulators say they and the operator of an Arizona nuclear power plant have resolved apparent violations involving safe handling and storage of spent nuclear fuel, which is high-level radioactive waste.


Arizona Public Service Company’s plan to end all of its coal power generation by 2031 is expected to take a heavy economic toll on tribal communities. Now, the company has proposed sweeping investments in economic development in Indian Country. KNAU’s Ryan Heinsius reports.


Arizona’s three largest electric utilities are asking customers to reduce power use as a heat wave cooking the West sends demand soaring.

Arizona Governor's office

Southwest Gas has contributed $65,000 to the AZ Coronavirus Relief Fund.  The fund, established by Governor Doug Ducey, will provide financial support to organizations working to mitigate the impacts of COVID-19.


Arizona Public Service Company announced last month it’ll go carbon neutral in by 2050 and end all coal generation in the next 11 years. KNAU’s Ryan Heinsius reports, the company is preparing now for possible economic impacts to the Navajo Nation.

The Navajo Nation has filed to intervene in a rate case for Arizona Public Service Company one of the state’s largest utility companies.

(AP Photo/Susan Montoya Bryan, File)

The closure of a coal-fired power plant on the Navajo Nation sooner than expected will be a major blow to a region where coal has been a mainstay of the economy for decades.