Water and wind offer powerful symbols on the Arizona Trail, where thirsty hikers have to hunt harder and windmills stand ...

Arizona State University has received a $50 million gift from energy executive Robert L. Zorich. It will be used to launch ...

With Arizona’s abundance of sunshine, advocates for solar energy are worried that the Environmental Protection Agency’s plan ...

Salt River Project hopes to convert a coal-fired unit to natural gas at Springerville Generating Station, one of Arizona's ...

ASU announced the creation of the Global Institute for the Future of Energy with the support of a $50 million gift from an ...

Torch’s “Winchester” project will have 160 MW of solar and is expected to be online in 2027 to support regional grid ...

Right now, much of Arizona gets its gas from California. The new 1,300-mile pipeline could change that, shifting the balance ...

Democrats joined the Sierra Club at a Yuma park on the Colorado River to press for climate action as water shortage threat grows.

Phillips 66 and Kinder Morgan plan to build and operate a new pipeline connecting Texas and Arizona, shifting the balance of ...

An expert witness for APS testified in 2023 that large utilities oppose customer-sided energy policies because they cut into ...

Arizona’s Kris Mayes is among a handful of attorneys general suing the Trump administration for canceling a solar energy ...

Arizona regulators voted to begin repealing the state's renewable energy standard, which could have long-term impacts on energy costs and utilities' power mix. The decision aims to promote an ...