Alliant Energy (LNT) Debt Ratio (2009 - 2025)

Alliant Energy has reported Debt Ratio for 17 years, with the latest figure at 0.48 in Q4 2025.

• For the quarter ending Q4 2025, Debt Ratio rose 11.01% year-over-year to 0.48; the trailing twelve-month figure through Dec 2025 stood at 0.48 (up 11.01% YoY), and the FY2025 full-year result was 0.48, up 11.01% from the prior year.
• Debt Ratio for Q4 2025 stood at 0.48, up from 0.48 in the prior quarter.
• The five-year high for Debt Ratio was 0.48 in Q4 2025, with the low at 0.38 in Q2 2021.
• Historically, Debt Ratio has averaged 0.42 across 5 years, with a median of 0.42 in 2023.
• Annual changes were most pronounced in 2021 — Debt Ratio retreated 0.86% — and 2025, when it climbed 11.01%.
• Alliant Energy's Debt Ratio stood at 0.4 in 2021, then climbed by 0.86% to 0.4 in 2022, then gained by 6.21% to 0.43 in 2023, then climbed by 1.92% to 0.43 in 2024, then increased by 11.01% to 0.48 in 2025.
• The last three Debt Ratio figures came in at 0.48 (Q4 2025), 0.48 (Q3 2025), and 0.46 (Q2 2025), per Business Quant data.