Utility regulators voted to initiate a repeal of a renewable energy standard, which could have future impacts on the power ...

We’ve long understood the broad strokes of lightning, but the what kickstarts the process—and allows for some of its weirdest ...

Its most recent analysis found that wind, solar and other renewable power options are generally the most cost-competitive form of energy generation in the country, even without federal subsidies.

Arizona Public Service Co. will walk back its clean energy commitments as the federal government curtails tax credits for renewable energy projects.

Utility regulators voted to initiate a repeal of a renewable energy standard, which could have future impacts on the power grid and customers' bills.