Company dossier
Ameren Illinois Co
Company overview
Ameren Illinois Co supplies regulated electric and gas services to residential, commercial, and industrial customers across Illinois, positioning itself within the traditional SIC utility sector as a cornerstone of Midwestern energy delivery with a focus on grid reliability, demand management, and storm response. The company’s core offerings include transmission and distribution infrastructure, energy efficiency programs, and customer engagement tools tailored to communities that rely on consistent power for homes, schools, hospitals, and factories, while balancing investments in clean energy integration and modernization. Operating under the expectations of state regulators and the Federal Energy Regulatory Commission, Ameren Illinois manages material risks such as weather extremes, aging equipment, supply chain fluctuations, and evolving environmental mandates, and its financial condition is influenced by the pace of rate cases and capital approval processes. CIK 18654 and ticker AILIH signal the issuer’s public governance, even as the latest filing details remain unavailable, so view live SEC filings on Earnings Feed.
Source: Earnings Feed research · last updated 11/24/2025
Last trade
$67.99
+$0.74 (+1.10%)Ticker
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Range (30d)
Updated
Recent filings
CENTRAL ILLINOIS PUBLIC SERVICE CO 8-K
CENTRAL ILLINOIS PUBLIC SERVICE CO 10-Q
CENTRAL ILLINOIS PUBLIC SERVICE CO 10-Q
CENTRAL ILLINOIS PUBLIC SERVICE CO 10-Q
CENTRAL ILLINOIS PUBLIC SERVICE CO 10-K
CENTRAL ILLINOIS PUBLIC SERVICE CO 10-Q
CENTRAL ILLINOIS PUBLIC SERVICE CO 8-K
CENTRAL ILLINOIS PUBLIC SERVICE CO 10-Q
CENTRAL ILLINOIS PUBLIC SERVICE CO 8-K
Ticker roster
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AILIH
OTC
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AILIM
OTC
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AILIN
OTC
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AILIO
OTC
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AILIP
OTC
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AILLI
OTC
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AILLM
OTC
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AILLN
OTC
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AILLO
OTC
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AILLP
OTC
Addresses
business
10 RICHARD MARK WAY
COLLINSVILLE, IL, 62234
mailing
10 RICHARD MARK WAY
COLLINSVILLE, IL, 62234
Former names
- 1994-02-28 – 2010-09-13
CENTRAL ILLINOIS PUBLIC SERVICE CO