• American Electric Power average gross margin for 2023 was 64.07%, a 3.29% increase from 2022.
• American Electric Power average gross margin for 2022 was 66.25%, a 3.11% decline from 2021.
• American Electric Power average gross margin for 2021 was 68.38%, a 1.74% decline from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.