(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.

Arizona's Biggest Utility Vows All Clean Power By 2050

Jan 22, 2020

Arizona's largest electric utility says it plans to switch to 100% carbon-neutral power generation by 2050.

New APS CEO: No Spending On Campaigns For Regulators

Jan 15, 2020
Greater Phoenix Economic Council

The new chief executive of Arizona Public Service Company says APS will not spend money to influence elections for the company's regulators.

One Coal Generator At Cholla Power Plant To Close In 2020

Jan 8, 2020
Arizona Public Service Company/APS

Oregon-based PacifiCorp has announced it plans to close one of the three generators at the Cholla coal-fired power plant in northern Arizona by the end of the year.


The new CEO of Arizona's largest electric utility has apologized for a faulty bill calculator that was supposed to help customers find the cheapest rate plan but instead steered 10,000 of them to higher-priced options.

Business Wire

Utility regulators are scheduled to interrogate the new president of Arizona Public Service Wednesday as the state's largest electrical utility faces scrutiny for billing mistakes and political spending.


Arizona Public Service Company CEO has accepted an invitation to attend an Arizona Corporation Commission open meeting to address questions on its faulty online rate comparison tool after it wrongly encouraging customers to switch to more expensive plans. 

The Arizona Public Service Company is planning to refund thousands of customers who are not on the cheapest rate plan after its online comparison tool provided inaccurate calculations since February, company officials announced.


Arizona water regulators have rejected an application by an electric company to use groundwater to cool the nuclear power plant west of Phoenix because the water is being used by nearby residents, officials said.


The U.S. government's primary nuclear lab is partnering with three energy utilities to find an economical way to use nuclear energy to produce hydrogen that can be stored and used to power everything from industry to personal vehicles.