Ameren Illinois (AILLM) Return on Invested Capital (2016 - 2025)
Historic Return on Invested Capital for Ameren Illinois (AILLM) over the last 17 years, with Q3 2025 value amounting to 0.13%.
- Ameren Illinois' Return on Invested Capital rose 200.0% to 0.13% in Q3 2025 from the same period last year, while for Sep 2025 it was 0.13%, marking a year-over-year increase of 200.0%. This contributed to the annual value of 0.05% for FY2024, which is 0.0% changed from last year.
- Per Ameren Illinois' latest filing, its Return on Invested Capital stood at 0.13% for Q3 2025, which was up 200.0% from 0.11% recorded in Q2 2025.
- Ameren Illinois' Return on Invested Capital's 5-year high stood at 0.13% during Q3 2025, with a 5-year trough of 0.07% in Q4 2024.
- Moreover, its 5-year median value for Return on Invested Capital was 0.11% (2024), whereas its average is 0.09%.
- Per our database at Business Quant, Ameren Illinois' Return on Invested Capital crashed by -100bps in 2021 and then surged by 200bps in 2025.
- Quarter analysis of 5 years shows Ameren Illinois' Return on Invested Capital stood at 0.07% in 2021, then grew by 4bps to 0.07% in 2022, then dropped by -6bps to 0.07% in 2023, then decreased by -3bps to 0.07% in 2024, then soared by 97bps to 0.13% in 2025.
- Its last three reported values are 0.13% in Q3 2025, 0.11% for Q2 2025, and 0.07% during Q1 2025.