• American Electric Power average operating margin for 2023 was 17.21%, a 12.86% increase from 2022.
• American Electric Power average operating margin for 2022 was 19.75%, a 1.3% decline from 2021.
• American Electric Power average operating margin for 2021 was 20.01%, a 9.7% decline 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.