Ameren Missouri

Updated May 25 with the day's actions — The special legislative session called by Missouri Gov. Eric Greitens is getting closer to the finish line.A…

The dam that created Lake of the Ozarks is getting its first major upgrade in more than three decades. Ameren Missouri this week began demolishing the…

Story updated Feb. 17 with comment from Ameren Missouri — A federal judge has approved the Sierra Club's request to intervene in a Clean Air Act lawsuit…

A U.S. district court judge has ruled that Ameren Missouri violated the Clean Air Act when it made upgrades to its Rush Island Power Plant in Festus in…

The St. Louis region went into high alert Thursday ahead of forecasted ice storms.Many schools and government offices were closed Friday, and grocery…

Motorists in Missouri will soon see new signs pointing to alternative fuel sources along interstate highways. The signage is part of a recently announced…

Updated Aug. 22 with details from the trial — An Environmental Protection Agency lawsuit alleging that Ameren Missouri violated the Clean Air Act goes to…

Motorists driving Nissan Leafs or Chevy Volts could travel farther on Interstate 70 next year.Ameren Missouri filed a proposal to the Missouri Public…

Updated Friday, July 22 at 5:07p.m. with statement from Ameren Missouri — Ameren Missouri and the Sierra Club reached a $2 million settlement Thursday in…

The Environmental Protection Agency has declared that there isn't enough information to determine if the air around Ameren Missouri's largest power plant…