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

Alliant Energy's Total Debt history runs 17 years deep, the most recent figure standing at $12.0 billion for Q4 2025.

• On a quarterly basis, Total Debt rose 22.14% year-over-year to $12.0 billion in Q4 2025; TTM through Dec 2025 was $12.0 billion, a 22.14% increase from a year earlier, with the FY2025 full-year figure at $12.0 billion, up 22.14% from the prior year.
• Total Debt improved to $12.0 billion in Q4 2025 per LNT's latest filing, from $11.7 billion in the prior quarter.
• Across five years, Total Debt topped out at $12.0 billion in Q4 2025 and bottomed at $6.8 billion in Q2 2021.
• The 5-year median for Total Debt is $8.9 billion (2023), against an average of $9.0 billion.
• Across the five-year window, Total Debt increased 2.98% in 2021 and increased 22.14% in 2025, its largest moves.
• Year by year, Total Debt stood at $7.4 billion in 2021, then grew by 9.61% to $8.1 billion in 2022, then grew by 11.86% to $9.0 billion in 2023, then gained by 9.01% to $9.8 billion in 2024, then gained by 22.14% to $12.0 billion in 2025.
• Per Business Quant, the three latest LNT Total Debt figures stand at $12.0 billion (Q4 2025), $11.7 billion (Q3 2025), and $11.0 billion (Q2 2025).