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

Alliant Energy's Debt Ratio history runs 17 years deep, the most recent figure standing at 0.48 for Q4 2025.

• On a quarterly basis, Debt Ratio rose 11.01% year-over-year to 0.48 in Q4 2025; TTM through Dec 2025 was 0.48, a 11.01% increase from a year earlier, with the FY2025 full-year figure at 0.48, up 11.01% from the prior year.
• Debt Ratio advanced to 0.48 in Q4 2025 per LNT's latest filing, from 0.48 in the prior quarter.
• Across five years, Debt Ratio topped out at 0.48 in Q4 2025 and bottomed at 0.38 in Q2 2021.
• The 5-year median for Debt Ratio is 0.42 (2023), against an average of 0.42.
• Across the five-year window, Debt Ratio slipped 0.86% in 2021 and increased 11.01% in 2025, its largest moves.
• Year by year, Debt Ratio stood at 0.4 in 2021, then grew by 0.86% to 0.4 in 2022, then advanced by 6.21% to 0.43 in 2023, then grew by 1.92% to 0.43 in 2024, then rose by 11.01% to 0.48 in 2025.
• Per Business Quant, the three latest LNT Debt Ratio figures stand at 0.48 (Q4 2025), 0.48 (Q3 2025), and 0.46 (Q2 2025).