Alliant Energy (LNT) Interest Expenses (2009 - 2025)
Alliant Energy (LNT) posted Interest Expenses of $140 million for Q4 2025, up 16.7% from $120 million a year earlier and up 9.4% from the prior quarter.
Powered by 
Analysis
Alliant Energy (LNT) Interest Expenses (2009 - 2025) Analysis & Trends
For FY2025, Alliant Energy's Interest Expenses came in at $512 million, up 14.0% from FY2024.
- Annual Interest Expenses has increased for 13 consecutive years, with a five-year compound annual growth rate of 13.2% (FY2020 to FY2025).
- In prior years, Alliant Energy's Interest Expenses was $449 million in FY2024 (+14.0%), $394 million in FY2023 (+21.2%), $325 million in FY2022 (+17.3%) and $277 million in FY2021 (+0.7%).
- The Q4 2025 figure stands as the highest quarterly Interest Expenses in data going back to Q2 2009.
- On a year-over-year basis, Interest Expenses has increased in each of the last 17 quarters, with growth averaging 13.8% over the last eight quarters.
- The strongest year-over-year quarter for Interest Expenses in the past five years was Q1 2023, with growth of 27.0%; the weakest was Q2 2021, with a decline of 1.4%.
- According to Business Quant data, Interest Expenses for the three prior quarters was $128 million (Q3 2025), $124 million (Q2 2025) and $119 million (Q1 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Int Expense (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 292.57 Bn | 292.57 Bn | 890.00 Mn | -132.00 Mn |
| 2 | National Grid | 78.85 Bn | 60.37 Bn | - | - |
| 3 | Dominion Energy | 53.27 Bn | 55.95 Bn | - | 555.00 Mn |
| 4 | Xcel Energy | 44.01 Bn | 38.91 Bn | - | 443.00 Mn |
| 5 | Wec Energy | 32.84 Bn | 33.08 Bn | 1.51 Bn | 228.90 Mn |
| 6 | Ameren | 27.51 Bn | 27.59 Bn | - | 209.00 Mn |
| 7 | Fortis | 26.81 Bn | 27.29 Bn | 1.60 Bn | 279.77 Mn |
| 8 | Atmos Energy | 26.44 Bn | 25.21 Bn | 870.85 Mn | 33.14 Mn |
| 9 | American Water Works Company | 25.73 Bn | 25.14 Bn | - | 167.00 Mn |
| 10 | Alliant Energy | 16.28 Bn | 14.61 Bn | 913.00 Mn | 140.00 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Dec 31, 2025 | 140.00 Mn |
| Sep 30, 2025 | 128.00 Mn |
| Jun 30, 2025 | 124.00 Mn |
| Mar 31, 2025 | 119.00 Mn |
| Dec 31, 2024 | 120.00 Mn |
| Sep 30, 2024 | 114.00 Mn |
| Jun 30, 2024 | 108.00 Mn |
| Mar 31, 2024 | 107.00 Mn |
| Dec 31, 2023 | 105.00 Mn |
| Sep 30, 2023 | 99.00 Mn |
| Jun 30, 2023 | 96.00 Mn |
| Mar 31, 2023 | 94.00 Mn |
| Dec 31, 2022 | 90.00 Mn |
| Sep 30, 2022 | 83.00 Mn |
| Jun 30, 2022 | 78.00 Mn |
| Mar 31, 2022 | 74.00 Mn |
| Dec 31, 2021 | 71.00 Mn |
| Sep 30, 2021 | 68.00 Mn |
| Jun 30, 2021 | 69.00 Mn |
| Mar 31, 2021 | 69.00 Mn |
API Access
Alliant Energy Interest Expenses API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=interest-expenses&ticker=LNT&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "interest-expenses", "ticker": "LNT", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=interest-expenses&ticker=LNT&period=max&api_key=YOUR_API_KEY");
const data = await res.json();