Regulators say utility runs risk of not recovering costs if repairing Comanche 3 proves not to be best choice.

The Comanche Power Plant in Pueblo will continue to operate a coal-powered electrical generating unit that was slated for retirement this month for one more year. The move comes after Xcel Energy, the ...

AI data centers are driving a coal comeback. Discover how smart retrofits and technology are boosting aging coal plant ...

Coal-fired power plants, long an increasingly money-losing proposition in the U.S., are becoming more valuable now that the suddenly strong demand for electricity to run Big Tech’s cloud computing and ...

The United States is seeing a surprising energy shift. Many data centers, the buildings that power the internet and artificial intelligence (AI), are increasingly using coal to produce electricity.

Coal power is a dirtier energy source than renewables like wind and solar. But even for those Americans who don’t care about climate, it’s also a more expensive energy source—and the economics of ...

The Cooper family has worked in the coal industry in Colorado for generations. That's ending as one of three coal mines in ...

Eastern Kentucky power company says long-term investments in deteriorating plant are best for customers, despite ongoing rate increases.