• Duke Energy average pre-tax profit margin for 2023 was 15.01%, a 0.99% increase from 2022.
• Duke Energy average pre-tax profit margin for 2022 was 15.16%, a 37.69% decline from 2021.
• Duke Energy average pre-tax profit margin for 2021 was 11.01%, a 20.2% increase from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.