• Alliant Energy average gross margin for 2023 was 72.46%, a 0.08% increase from 2022.
• Alliant Energy average gross margin for 2022 was 72.4%, a 5.5% increase from 2021.
• Alliant Energy average gross margin for 2021 was 76.61%, a 2.85% 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.