Alliant Energy (LNT) Profit After Tax (2009 - 2025)

Alliant Energy has reported Profit After Tax for 17 years, with the latest figure at $142.0 million in Q4 2025.

• For the quarter ending Q4 2025, Profit After Tax fell 5.33% year-over-year to $142.0 million; the trailing twelve-month figure through Dec 2025 stood at $565.0 million (up 28.41% YoY), and the FY2025 full-year result was $810.0 million, up 17.39% from the prior year.
• Profit After Tax for Q4 2025 stood at $142.0 million, up from $123.0 million in the prior quarter.
• The five-year high for Profit After Tax was $259.0 million in Q3 2021, with the low at $18.0 million in Q2 2024.
• Historically, Profit After Tax has averaged $135.0 million across 5 years, with a median of $132.5 million in 2025.
• Annual changes were most pronounced in 2024 — Profit After Tax slumped 79.78% — and 2025, when it jumped 383.33%.
• Alliant Energy's Profit After Tax stood at $95.0 million in 2021, then increased by 12.63% to $107.0 million in 2022, then increased by 13.08% to $121.0 million in 2023, then rose by 23.97% to $150.0 million in 2024, then declined by 5.33% to $142.0 million in 2025.
• The last three Profit After Tax figures came in at $142.0 million (Q4 2025), $123.0 million (Q3 2025), and $87.0 million (Q2 2025), per Business Quant data.