Arizona Public Service company

New Mexico regulators have denied a request by the state’s largest electric provider to unload its shares in one of the Southwest’s few remaining coal-fired power plants by transferring them to a Navajo energy company.

Residents across the Navajo Nation were without power Wednesday after a storm that packed powerful wind moved across the region.

It will be up to New Mexico regulators to clear the way for the state's largest electric provider to transfer its shares in one of the Southwest's remaining coal-fired power plants to a Navajo energy company.

Arizona utility regulators considering a rate case for Arizona Public Service Co. have voted to abolish a grid-access fee paid by customers with rooftop solar panels.

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…

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…

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…

Federal regulators say they and the operator of an Arizona nuclear power plant have resolved apparent violations involving safe handling and storage of…

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.…

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