Ameren Illinois, a subsidiary of Ameren Corporation, is number one in customer satisfaction among large electric utility providers in the Midwest, according to the J.D. Power 2021 Electric Utility Residential Customer Satisfaction Study. This is the first time that Ameren Illinois has received top honors in the annual ranking.
J.D. Power
J.D. Power is a global pioneer in consumer insights, advisory services, and data and analytics. A pioneer in the use of big data, artificial intelligence (AI), and algorithmic modeling capabilities to understand consumer behavior, J.D. Power has been delivering incisive industry intelligence on customer interactions with brands and products for more than 50 years.
The world's leading businesses across major industries rely on J.D. Power to guide their customer-facing strategies. J.D. Power has offices in North America, Europe, and the Asia Pacific.
