The identified site, which Ameren Missouri already owns, has existing infrastructure and transmission line access.

Ameren Missouri has proposed a new energy center for Jefferson County -- a redevelopment of the Rush Island site that closed last year. The new site will co-locate other energy types from Ameren: ...

Ameren Missouri officials plan to increase the amount of electricity the utility can generate by 2030 to meet what they anticipate will be a growing demand from new companies moving into the state.

The region's grid operator on Thursday approved hundreds of projects across 15 states that will cover more than 5,000 total miles and cost billions of dollars.

Big Hollow Energy Center would combine 800 MW of simple-cycle gas capacity with Ameren’s largest battery storage facility to ...

Ameren Missouri, a subsidiary of Ameren Corporation (NYSE: AEE), is taking the next step in its generation investment plan to ...

NEW ORLEANS — The electric utility serving most of Louisiana, Mississippi and Arkansas agreed to join a regional power grid system in 2015 after the Justice Department caught Entergy engaging in ...

Ameren Missouri, a subsidiary of Ameren Corp., is taking the next step in its generation investment plan to enhance energy ...