Alliant Energy (LNT) Interest Expenses (2009 - 2025)
Alliant Energy's (LNT) quarterly Interest Expenses came in at $140.0 million in Q4 2025, up 29.63% YoY from $108.0 million in Q4 2024, and up 9.38% on a QoQ basis from $128.0 million in Q3 2025.
Alliant Energy (LNT) Interest Expenses (2009 - 2025) Analysis & Trends
Alliant Energy (LNT) has 17 years of Interest Expenses data on file, last reported at $140.0 million in Q4 2025.
- Quarterly Interest Expenses rose 29.63% year-over-year to $140.0 million in Q4 2025, while the trailing twelve-month figure through Dec 2025 was $531.0 million (up 21.51% YoY) and the FY2025 annual result came in at $512.0 million, up 14.03% from the prior year.
- Interest Expenses advanced to $140.0 million in Q4 2025, from $128.0 million in the prior quarter.
- In the past five years, Interest Expenses ranged from a high of $392.0 million in Q4 2023 to a low of $66.0 million in Q4 2021.
- A 5-year average of $112.3 million and a median of $97.5 million in 2023 frame the typical range for Interest Expenses.
- Annual changes were most pronounced in 2023 — Interest Expenses soared 335.56% — and 2024, when it slumped 72.45%.
- Tracing LNT's Interest Expenses over 5 years: stood at $66.0 million in 2021, then soared by 36.36% to $90.0 million in 2022, then soared by 335.56% to $392.0 million in 2023, then tumbled by 72.45% to $108.0 million in 2024, then advanced by 29.63% 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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Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Interest Expense (Qtr) |
|---|---|---|---|---|---|
| 1 | National Grid | 78.91 Bn | 75.10 Bn | - | - |
| 2 | Dominion Energy | 58.65 Bn | 57.86 Bn | 3.50 Bn | 555.00 Mn |
| 3 | Xcel Energy | 47.76 Bn | 45.75 Bn | 3.12 Bn | 443.00 Mn |
| 4 | Wec Energy | 34.66 Bn | 34.61 Bn | 1.45 Bn | 228.90 Mn |
| 5 | Ameren | 29.39 Bn | 29.38 Bn | - | 209.00 Mn |
| 6 | Fortis | 28.02 Bn | 28.02 Bn | 1.60 Bn | 279.77 Mn |
| 7 | Edison International | 27.49 Bn | 27.25 Bn | 3.29 Bn | 514.00 Mn |
| 8 | Firstenergy | 26.59 Bn | 26.40 Bn | 2.51 Bn | 337.00 Mn |
| 9 | Hydro One | 24.05 Bn | 23.66 Bn | - | 130.85 Mn |
| 10 | Alliant Energy | 17.45 Bn | 16.89 Bn | 854.00 Mn | 140.00 Mn |
Historic Data
Download Data| Date | Value |
|---|---|
| Dec 31, 2025 | 140.00 Mn |
| Dec 31, 2025 | 140.00 Mn |
| Sep 30, 2025 | 128.00 Mn |
| Sep 30, 2025 | 128.00 Mn |
| Jun 30, 2025 | 124.00 Mn |
| Jun 30, 2025 | 124.00 Mn |
| Mar 31, 2025 | 139.00 Mn |
| Mar 31, 2025 | 139.00 Mn |
| Dec 31, 2024 | 108.00 Mn |
| Dec 31, 2024 | 108.00 Mn |
| Sep 30, 2024 | 114.00 Mn |
| Sep 30, 2024 | 114.00 Mn |
| Jun 30, 2024 | 108.00 Mn |
| Jun 30, 2024 | 108.00 Mn |
| Mar 31, 2024 | 107.00 Mn |
| Mar 31, 2024 | 107.00 Mn |
| Dec 31, 2023 | 392.00 Mn |
| Dec 31, 2023 | 392.00 Mn |
| Sep 30, 2023 | 99.00 Mn |
| Sep 30, 2023 | 99.00 Mn |