• Ameren average ebitda margin for 2023 was 38.57%, a 0.75% increase from 2022.
• Ameren average ebitda margin for 2022 was 38.86%, a 7.72% decline from 2021.
• Ameren average ebitda margin for 2021 was 42.11%, a 0.67% decline from 2020.

Ebitda margin can be defined as earnings before interest, taxes, depreciation and amortization as a portion of total revenue.