More stringent rules were scheduled to be enforced in 2027. Selected plants will now have two more years to comply.

In 2024, investor-owned utilities paid their chief executive officers a total of over $530 million, according to an analysis ...

Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Ameren Missouri's Labadie power plant WASHINGTON — The ...

The Labadie Energy Center and the Sioux Energy Center in Missouri will have two extra years to limit emissions of mercury and other hazardous air pollutants.

An Ameren initiative to repurpose retiring wood utility poles for commercial applications prevented 2,100 tons of wood waste ...

Electricity demand is rising for the first time in decades, leading Big Tech to get creative on how to meet the demand.

The Wentzville Board of Aldermen will hold a public hearing on Ameren's proposal Wednesday as part of its regular meeting.

Alliant Energy has announced a 200-MW solar facility in Linn County is now operational and generating energy for customers.

Drug overdose deaths are decreasing in Missouri, that’s according to top researchers at the University of Missouri in St. Louis. Metropolis, Ill. police say an assault victim was hit in the head ...

(First Alert 4) -- Ameren Missouri has been ordered by a court to spend $61 million on projects tied to mitigation around violations of the Clean Air Act at the Rush Island Power Plant near Festus.