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Operating commercially as Ameren Illinois, Ameren Illinois Company is involved in the rate-regulated generation, transmission, and distribution of electricity throughout the state. The enterprise additionally manages natural gas distribution services. It provides electric power to 1.2 million consumers and natural gas to 0.8 million consumers within an expansive 43,700 square-mile territory covering central and eastern Illinois. Founded in 1902, the company initially traded as Central Illinois Public Service Company before adopting the name Ameren Illinois Company in October 2010. Headquartered in Collinsville, Illinois, it functions as a subsidiary of Ameren Corporation.
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FAQ
What is Ameren Illinois Company stock price today?▼
The current price of AILLI is $81.00 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 AILLI.
Is Ameren Illinois Company stock price growing?▼
AILLI stock has risen by +0% compared to the previous week, the month change is a -3.57% fall, over the last year Ameren Illinois Company has showed a -3.86% decrease.
What is Ameren Illinois Company market cap?▼
Today Ameren Illinois Company has the market capitalization of 22.42B
What were Ameren Illinois Company earnings last quarter?▼
AILLI 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?▼
AILLI net income for the last year is 1.46B USD.
Does Ameren Illinois Company pay dividends?▼
Yes, AILLI dividends are paid quarterly. The last dividend per share was 1.29 USD. As of today, Dividend Yield (FWD)% is 6.37%.
How many employees does Ameren Illinois Company have?▼
As of September 08, 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.