• Alliant Energy average pre-tax profit margin for 2023 was 16.52%, a 3.17% decline from 2022.
• Alliant Energy average pre-tax profit margin for 2022 was 17.06%, a 4.98% decline from 2021.
• Alliant Energy average pre-tax profit margin for 2021 was 16.25%, a 9.72% increase from 2020.

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