• Dominion Energy average gross margin for 2023 was 69.98%, a 2% increase from 2022.
• Dominion Energy average gross margin for 2022 was 71.41%, a 6.73% decline from 2021.
• Dominion Energy average gross margin for 2021 was 76.56%, a 3.18% 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.