• Alliant Energy average operating margin for 2023 was 22.2%, a 0.36% decline from 2022.
• Alliant Energy average operating margin for 2022 was 22.12%, a 1.19% increase from 2021.
• Alliant Energy average operating margin for 2021 was 21.86%, a 1.89% increase from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.