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Operating as Ameren Illinois, the Ameren Illinois Company is an Illinois-based utility that primarily handles the regulated generation, transmission, and distribution of electricity. Additionally, it oversees natural gas distribution operations. This extensive service provider delivers electricity to approximately 1.2 million customers and natural gas to 800,000 customers, spanning a vast 43,700 square-mile region across central and eastern Illinois. Founded in 1902, the company maintains its headquarters in Collinsville, Illinois. It was previously known as Central Illinois Public Service Company before adopting the Ameren Illinois Company name in October 2010. Ameren Illinois Company operates as a subsidiary of Ameren Corporation.
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FAQ
What is Ameren Illinois Company stock price today?▼
The current price of AILIN is $71.00 USD — it has increased by +0% in the past 24 hours. Watch Ameren Illinois Company stock price performance more closely on the chart.
What is Ameren Illinois Company stock ticker?▼
Depending on the exchange, the stock ticker may vary. For instance, on OTC Link exchange Ameren Illinois Company stocks are traded under the ticker AILIN.
What is Ameren Illinois Company market cap?▼
Today Ameren Illinois Company has the market capitalization of 19.65B
What were Ameren Illinois Company earnings last quarter?▼
AILIN earnings for the last quarter are 3.1 USD per share, whereas the estimation was 0 USD resulting in a +∞% surprise. The estimated earnings for the next quarter are N/A USD per share.
What is Ameren Illinois Company revenue for the last year?▼
Ameren Illinois Company revenue for the last year amounts to 8.8B USD.
What is Ameren Illinois Company net income for the last year?▼
AILIN net income for the last year is 1.46B USD.
Does Ameren Illinois Company pay dividends?▼
Yes, AILIN dividends are paid quarterly. The last dividend per share was 1.11 . As of today, Dividend Yield (FWD)% is 6.23%.
How many employees does Ameren Illinois Company have?▼
As of September 13, 2026, the company has 3,168 employees.
In which sector is Ameren Illinois Company located?▼
Ameren Illinois Company operates in the Energy sector.
When did Ameren Illinois Company complete a stock split?▼
Ameren Illinois Company has not had any recent stock splits.
Where is Ameren Illinois Company headquartered?▼
Ameren Illinois Company is headquartered in Collinsville, United States.