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

Alliant Energy (LNT) has 17 years of Operating Income data on file, last reported at $197.0 million in Q4 2025.

• Quarterly Operating Income fell 10.86% year-over-year to $197.0 million in Q4 2025, while the trailing twelve-month figure through Dec 2025 was $1.0 billion (up 15.8% YoY) and the FY2025 annual result came in at $1.0 billion, up 15.69% from the prior year.
• Operating Income slipped to $197.0 million in Q4 2025, from $349.0 million in the prior quarter.
• In the past five years, Operating Income ranged from a high of $349.0 million in Q3 2025 to a low of $130.0 million in Q2 2024.
• A 5-year average of $229.0 million and a median of $221.5 million in 2023 frame the typical range for Operating Income.
• Annual changes were most pronounced in 2024 — Operating Income tumbled 40.09% — and 2025, when it jumped 71.54%.
• Tracing LNT's Operating Income over 5 years: stood at $132.0 million in 2021, then grew by 20.45% to $159.0 million in 2022, then climbed by 15.09% to $183.0 million in 2023, then increased by 20.77% to $221.0 million in 2024, then slipped by 10.86% to $197.0 million in 2025.
• The last three Operating Income figures came in at $197.0 million (Q4 2025), $349.0 million (Q3 2025), and $223.0 million (Q2 2025), per Business Quant data.