Ameren Illinois Company

Ameren Illinois Companyverified

AILLI

Price:

$86

Market Cap:

$26.65B

Ameren Illinois Company, doing business as Ameren Illinois, engages in the rate-regulated electric generation, transmission, and distribution business in Illinois. The company also engages in the natural gas distribution businesses. It supplies electric services to 1.2 million customers and natural gas services to 0.8 million customers in a 43,700 square-mile area in central and eastern Illinois. The company was formerly known as Central Illinois Public Service Company and changed its name to Ameren Illinois Company in October 2010. Ameren Illinois Company was founded in 1902 and is based in Collinsville, Illinois. Ameren Illinois Company operates as a subsidiary of Ameren Corporation.[Read more]

Industry

Regulated Electric

IPO Date

2010-06-09

Stock Exchange

OTC

Ticker

AILLI

The ROE as of April 2025 (TTM) for Ameren Illinois Company (AILLI) is 10.07%

According to Ameren Illinois Company’s latest financial reports and current stock price. The company's current ROE is 10.07%. This represents a change of 299.83% compared to the average of 2.52% of the last 4 quarters.

Ameren Illinois Company (AILLI) Historical ROE (quarterly & annually)

How has AILLI ROE performed in the past?

The mean historical ROE of Ameren Illinois Company over the last ten years is 10.29%. The current 10.07% ROE has changed -2.05% with respect to the historical average. Over the past ten years (40 quarters), AILLI's ROE was at its highest in in the September 2016 quarter at 5.13%. The ROE was at its lowest in in the December 2017 quarter at -0.84%.

Quarterly (TTM)
Annual

Average

10.29%

Median

10.18%

Minimum

7.28%

Maximum

16.04%

Ameren Illinois Company (AILLI) ROE by Quarter and Year

Discovering the peaks and valleys of Ameren Illinois Company ROE, unveiling quarterly and yearly fluctuations to gain insights into the company’s financial performance and market dynamics, offering valuable data for investors and analysts alike.

Maximum Annual Increase = 57.98%

Maximum Annual ROE = 16.04%

Minimum Annual Increase = -20.81%

Minimum Annual ROE = 7.28%

Quarterly (TTM)
Annual
YearROEChange
202416.04%57.98%
202310.15%-0.69%
202210.22%0.14%
202110.21%4.73%
20209.74%-5.15%
201910.27%-3.80%
201810.68%46.70%
20177.28%-20.81%
20169.19%1.36%
20159.07%3.90%

Ameren Illinois Company (AILLI) Average ROE

How has AILLI ROE performed in the past?

The current ROE of Ameren Illinois Company (AILLI) is less than than its 3-year, less than than its 5-year, and less than than its 10-year historical averages

3-year avg

12.14%

5-year avg

11.27%

10-year avg

10.29%

Ameren Illinois Company (AILLI) ROE vs. Peers

How is AILLI’s ROE compared to its peers?

Ameren Illinois Company’s ROE is less than Union Electric Company (10.07%), less than Wisconsin Electric Power Company PFD 3.60% (9.73%), less than Eversource Energy (5.46%), less than The Connecticut Light and Power Company (14.91%),

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