Thousands of homes in Navajo and other tribal lands don’t have access to electricity. A $200-million federal funding effort aims to fix that problem with solar power and other clean energy.

A natural gas utility with more than 2 million customers in Arizona, Nevada and parts of California is being fined $2 million by regulators in Arizona over concerns about piping that is known to degrade in the heat. The Arizona Corporation Commission announced Friday that it reached a consent agreement with Southwest Gas that includes[...]

Arizonans are having to choose between paying for their electric bills and their groceries. Arizona’s Corporation Commission is supposed to keep rates affordable. Instead, its GOP majority lets power companies jack up rates. But three seats are up for election 11/5.

The American Lung Association today released a new report, “Something in the Air: Bridging the Air Quality Data Gap with Satellite Technology,” which utilizes satellite-derived data that reveals that Mohave County could have unhealthy levels of particle pollution. Currently, Mohave County does not have ground-based monitors that track particle pollution.

As Arizona voters go the polls, they have more control over their state’s power plants and climate policies than they might realize. This year three of the five seats are up for grabs on the Arizona Corporation Commission, which regulates electric utilities. The commission has authority over how electricity is generated, among other things, and[...]