Ameren Illinois Company - ROE

The ROE as of September 2026 (TTM) for Ameren Illinois Company (AILLO) is 21.59%

According to Ameren Illinois Company’s latest financial reports and current stock price. The company's current ROE is 21.59%. This represents a change of 298.32% compared to the average of 5.42% of the last 4 quarters.

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

How has AILLO ROE performed in the past?

The mean historical ROE of Ameren Illinois Company over the last ten years is 9.26%. The current 21.59% ROE has changed 133.03% with respect to the historical average. Over the past ten years (40 quarters), AILLO's ROE was at its highest in in the September 2025 quarter at 8.30%. The ROE was at its lowest in in the December 2016 quarter at 0.99%.

Ameren Illinois Company (AILLO) 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.

Ameren Illinois Company (AILLO) Average ROE

How has AILLO ROE performed in the past?

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

Ameren Illinois Company (AILLO) ROE vs. Peers

How is AILLO’s ROE compared to its peers?

Ameren Illinois Company’s ROE is less than ACEA S.p.A. (24.94%), less than Wisconsin Electric Power Company PFD 3.60% (6.44%), less than Manila Water Company, Inc. (18.10%), less than The Chugoku Electric Power Co., Inc. (4.96%), less than Manila Water Co. Inc. (18.10%), less than Terna Energy Societe Anonyme Commercial Technical Company (6.44%), less than Towngas Smart Energy Company Limited (5.79%), less than Pennon Group Plc (6.61%), less than TTW Public Company Limited (18.84%), less than China Water Affairs Group Limited (6.84%),

Build a custom stock screener for Ameren Illinois Company (AILLO) and other stocks

One of the best ways to find valuable stocks to invest in is to build a custom made screener in your Excel or Google Sheets spreadsheet. This allows you to compare thousands of companies like Ameren Illinois Company using the financials and key metrics that matter to you in a single view.

The easiest way to set this up is to use the Wisesheets add-on and set your spreadsheet like this:

Covering all these metrics from financial, data, dividend data, key metrics and more you can get all the data you want for over 50+ exchanges worldwide.

Get your free trial here.

Ameren Illinois Company (AILLO) and other stocks custom spreadsheet templates

The easiest way to analyze a company like Ameren Illinois Company or any others is to create a spreadsheet model that automatically retrieves all of the stock data you need.

Using Wisesheets you can set up a spreadsheet model like this with simple spreadsheet formulas. If you change the ticker you can get all of the data automatically updated for you.

Whether you need live data, historical price data, financials, dividend data, key metrics, analyst estimates, or anything else...Wisesheets has you covered.