Ameren Illinois Company
AILLI
Other OTC83.40
USD
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Ameren Illinois Company
AILLI
(Other OTC)
Recent
price
83.40
P/E
ratio
- -
div
yld
- -
ROIC.AI
Capital Structure
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in mil. unless spec.- Similar Companies
- Business
- Ameren Illinois Company (Ticker: AILLI), a subsidiary of Ameren Corporation, engages in the rate-regulated purchase, transmission, distribution, and sale of electricity as well as the purchase, storage, transmission, distribution, and sale of natural gas to approximately 1.2 million electric and 816,000 natural gas customers across central and southern Illinois spanning 43,700 square miles in more than 1,200 communities; its electric operations encompass approximately 4,700 miles of transmission lines at voltages including 345kV, 230kV, 161kV, 138kV, 69kV, and 34.5kV, substations, poles, wires, and enabling technology for delivery-only services where customers may select their own electric suppliers; its natural gas operations include more than 18,700 miles of transmission and distribution mains supported by 12 underground storage fields with 24 billion cubic feet capacity and connections to 10 interstate pipelines. Founded in 1902 and headquartered in Collinsville, Illinois, the company, formerly known as Central Illinois Public Service Company until its name change in October 2010, focuses on infrastructure reliability, energy efficiency programs offering rebates and incentives for residential, commercial, and industrial customers including custom projects, midstream equipment incentives, and streetlighting upgrades, as well as renewable energy options and payment assistance initiatives. In August 2025, Ameren Illinois received approval from the Illinois Commerce Commission for a $1.6 billion transmission project to build and upgrade 380 miles of power lines across 13 counties, construct three new substations, and enhance existing ones primarily along current infrastructure corridors, with construction commencing later in 2025 and completion targeted for 2029 to improve energy accessibility and reliability.