Ameren to Add $1 Billion of Wind Farms in the Midwest by 2020

Ameren Corp., the St. Louis-based utility holding company, is planning to add about $1 billion of new wind-power plants by 2020 as part of a broader plan to reduce carbon emissions.

At least 700 megawatts of wind farms will be built in Missouri and neighboring states with U.S.-made turbines, Ameren said in a Sept. 25 statement.

The move comes as the company shifts away from coal-fired power plants and falling prices make wind more competitive.

“Because of significant advancement in technology, harnessing wind is less expensive than other forms of new generation,” Michael Moehn, president of Ameren Missouri, said in ...