Arizona Corp Commission Chair Thompson warns of nearly $2 billion cost to ratepayers for reopening the Cholla coal plant.

Cynthia Zwick runs the Residential Utility Consumer Office, a state agency that represents utility customers in cases at the ...

Arizona Public Service Co. and Tucson Electric Power both said in public notices submitted to state regulators last week that they anticipate filing formal rate cases with the Arizona Corporation ...

Kevin Thompson is providing additional information related to continued calls from state elected individuals and special ...

The request comes one year after the Arizona Corporation Commission approved ... For decades, the commission required state-regulated utilities to use a prior year of expenses and file a request ...

PHOENIX — The executive director of the Arizona Corporation Commission is out after utility ... who had been appointed to the state Senate. Vogt won a full two-year term of his own later that ...

As the state government in Arizona embarks on ... Would have required the Arizona Corporation Commission to make sure any changes made to improve or maintain the power grid are capable of ...

Phoenix Mayor Kate Gallego gave the first speech of her final term in office. Here are five key takeaways from the May 20 speech.