Growth Metrics

Ameren Illinois (AILLM) Inventory Average (2016 - 2025)

Historic Inventory Average for Ameren Illinois (AILLM) over the last 17 years, with Q3 2025 value amounting to $771.0 million.

  • Ameren Illinois' Inventory Average rose 65.27% to $771.0 million in Q3 2025 from the same period last year, while for Sep 2025 it was $771.0 million, marking a year-over-year increase of 65.27%. This contributed to the annual value of $747.5 million for FY2024, which is 678.57% up from last year.
  • According to the latest figures from Q3 2025, Ameren Illinois' Inventory Average is $771.0 million, which was up 65.27% from $703.5 million recorded in Q2 2025.
  • Ameren Illinois' 5-year Inventory Average high stood at $777.0 million for Q4 2024, and its period low was $494.0 million during Q1 2021.
  • Moreover, its 5-year median value for Inventory Average was $681.0 million (2022), whereas its average is $660.0 million.
  • Per our database at Business Quant, Ameren Illinois' Inventory Average surged by 1973.21% in 2023 and then plummeted by 84.57% in 2025.
  • Ameren Illinois' Inventory Average (Quarter) stood at $593.5 million in 2021, then rose by 14.74% to $681.0 million in 2022, then rose by 9.62% to $746.5 million in 2023, then grew by 4.09% to $777.0 million in 2024, then dropped by 0.77% to $771.0 million in 2025.
  • Its last three reported values are $771.0 million in Q3 2025, $703.5 million for Q2 2025, and $715.5 million during Q1 2025.