Alliant Energy (LNT) Interest Expenses (2009 - 2025)

Alliant Energy (LNT) has 17 years of Interest Expenses data on file, last reported at $140.0 million in Q4 2025.

• For the quarter ending Q4 2025, Interest Expenses rose 16.67% year-over-year to $140.0 million; the trailing twelve-month figure through Dec 2025 stood at $511.0 million (up 13.81% YoY), and the FY2025 full-year result was $512.0 million, up 14.03% from the prior year.
• Interest Expenses for Q4 2025 stood at $140.0 million, up from $128.0 million in the prior quarter.
• Across five years, Interest Expenses topped out at $140.0 million in Q4 2025 and bottomed at $68.0 million in Q3 2021.
• The 5-year median for Interest Expenses is $97.5 million (2023), against an average of $97.8 million.
• The widest annual swing landed in 2021, when Interest Expenses fell 1.43%; it then climbed 27.03% in 2023.
• A 5-year view of Interest Expenses shows it stood at $71.0 million in 2021, then advanced by 26.76% to $90.0 million in 2022, then gained by 16.67% to $105.0 million in 2023, then rose by 14.29% to $120.0 million in 2024, then gained by 16.67% to $140.0 million in 2025.
• The last three Interest Expenses figures came in at $140.0 million (Q4 2025), $128.0 million (Q3 2025), and $124.0 million (Q2 2025), per Business Quant data.

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