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Alliant Energy (LNT) Interest Expenses (2016 - 2025)

Alliant Energy's Interest Expenses history spans 17 years, with the latest figure at $140.0 million for Q4 2025.

  • For Q4 2025, Interest Expenses rose 16.67% year-over-year to $140.0 million; the TTM value through Dec 2025 reached $511.0 million, up 13.81%, while the annual FY2025 figure was $512.0 million, 14.03% up from the prior year.
  • Interest Expenses reached $140.0 million in Q4 2025 per LNT's latest filing, up from $128.0 million in the prior quarter.
  • In the past five years, Interest Expenses ranged from a high of $140.0 million in Q4 2025 to a low of $68.0 million in Q3 2021.
  • Average Interest Expenses over 5 years is $97.8 million, with a median of $97.5 million recorded in 2023.
  • Peak YoY movement for Interest Expenses: dropped 1.43% in 2021, then grew 27.03% in 2023.
  • A 5-year view of Interest Expenses shows it stood at $71.0 million in 2021, then rose by 26.76% to $90.0 million in 2022, then increased by 16.67% to $105.0 million in 2023, then grew by 14.29% to $120.0 million in 2024, then increased by 16.67% to $140.0 million in 2025.
  • Per Business Quant, the three most recent readings for LNT's Interest Expenses are $140.0 million (Q4 2025), $128.0 million (Q3 2025), and $124.0 million (Q2 2025).