- Business
- Ameren Illinois Company, a division of Ameren Corporation, operates as a rate-regulated utility providing electric and natural gas transmission and distribution services across Illinois. Its operations are structured into three key areas: Electric Distribution, Natural Gas, and Transmission. The Electric Distribution segment manages the delivery of electricity, while the Natural Gas segment handles gas distribution to its customers. The Transmission segment oversees the aggregated electric transmission systems, including those of Ameren Transmission Company of Illinois (ATXI). The majority of its financial performance is driven by the electric distribution business. The company actively invests in modernizing its energy infrastructure and developing energy efficiency programs, consistent with state clean energy goals.