The state’s largest electric utility admitted late Friday that it gave $10.7 million to organizations that spent heavily in the 2014 race for the Arizona Corporation Commission, which regulates energy companies.

More than two dozen local elected officials are facing personal fines for their official opposition to a 2018 ballot measure on renewable energy.

State utility regulators are making another bid to find out how much money the state's largest electric utility is spending on political campaigns and lobbying.

Two utility regulators are questioning whether some customers of Arizona Public Services are paying too much and the company is earning more than it is legally entitled.

State utility regulators have no legal right to investigate their colleagues to determine if they are biased, a judge has ruled.

Attorneys for members of the Arizona Corporation Commission told a judge Tuesday he should block a bid by one of the panel's members to investigate whether financial help they got or are suspected of getting from Arizona Public Service for their elections tainted their vote to allow the company to collect more money from customers.

The outcome of several key races on next week's ballot could turn on how Arizonans feel about their utility company -- especially if it’s Arizona Public Service.

The state’s largest utility is staying out of the Republican primary race for two open Arizona Corporation Commission seats, risking a shakeup that could have serious ramifications for the company.

The Arizona Corporation Commission will proceed with a vote today to install an interim manager at Johnson Utilities after the water company’s failed attempts in court to halt the appointment.

Pushing ahead where utility regulators so far will not, advocates of more renewable energy filed more than 480,000 signatures Thursday to put the question on the November ballot.