Alliant Energy (LNT) Operating Margin (2009 - 2025)

Alliant Energy has reported Operating Margin for 17 years, with the latest figure at 18.52% in Q4 2025.

• For the quarter ending Q4 2025, Operating Margin fell 413.0% year-over-year to 18.52%; the trailing twelve-month figure through Dec 2025 stood at 23.52% (up 127.0% YoY), and the FY2025 full-year result was 23.5%, up 124.0% from the prior year.
• Operating Margin for Q4 2025 stood at 18.52%, down from 28.84% in the prior quarter.
• The five-year high for Operating Margin was 29.9% in Q3 2023, with the low at 14.24% in Q4 2021.
• Historically, Operating Margin has averaged 22.42% across 5 years, with a median of 22.56% in 2022.
• Annual changes were most pronounced in 2024 — Operating Margin plunged 925 bps — and 2025, when it surged 866 bps.
• Alliant Energy's Operating Margin stood at 14.24% in 2021, then gained by 6 bps to 15.03% in 2022, then increased by 27 bps to 19.04% in 2023, then advanced by 19 bps to 22.64% in 2024, then decreased by 18 bps to 18.52% in 2025.
• The last three Operating Margin figures came in at 18.52% (Q4 2025), 28.84% (Q3 2025), and 23.2% (Q2 2025), per Business Quant data.