• Exelon average gross margin for 2023 was 64.44%, a 0.85% decline from 2022.
• Exelon average gross margin for 2022 was 64.99%, a 17.23% decline from 2021.
• Exelon average gross margin for 2021 was 78.52%, a 33.31% 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.