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Ameren names new CEO. Warner Baxter stepping down

Ameren names new CEO. Warner Baxter stepping down


Ameren announced Monday that it will install a new CEO at the start of 2022.

The St. Louis-based energy monopoly will elevate Marty Lyons, a longtime executive for the company, to the roles of CEO and president on Jan. 1.

Warner Baxter, Ameren’s current CEO, president and chairman, will remain as executive chairman. Lyons will report to him.

Baxter, 60, has been with Ameren since 1995 and took the helm in 2014. Lyons joined the utility in 2001 as a vice president and controller. He has held leadership roles, including a decade as chief financial officer, and is currently president of Ameren Missouri.

The changes occur as renewable power generation gains momentum at Ameren and in the industry and carbon-heavy alternatives, like coal-fired power plants, face mounting pressure to shut down.

Ameren, which generates about two-thirds of its power from coal, now aims to invest billions in renewables over the next two decades and reach “net zero” emissions by 2050.

Lyons on Monday acknowledged the backdrop of change.

“I am grateful for and humbled by the opportunity to lead Ameren during this exciting period of time for our company and industry,” he said in a statement.


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