• Alliant Energy average gross margin for 2023 was 73.29%, a 2.32% increase from 2022.
• Alliant Energy average gross margin for 2022 was 71.63%, a 6.35% increase from 2021.
• Alliant Energy average gross margin for 2021 was 76.49%, a 2.23% 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.