Alliant Energy (LNT) Invested Capital (2009 - 2025)

Alliant Energy has reported Invested Capital for 17 years, with the latest figure at $11.0 billion in Q4 2025.

• For the quarter ending Q4 2025, Invested Capital rose 6.06% year-over-year to $11.0 billion; the trailing twelve-month figure through Dec 2025 stood at $11.0 billion (up 6.06% YoY), and the FY2025 full-year result was $11.0 billion, up 6.06% from the prior year.
• Invested Capital for Q4 2025 stood at $11.0 billion, down from $19.0 billion in the prior quarter.
• The five-year high for Invested Capital was $19.0 billion in Q3 2025, with the low at $600.0 million in Q3 2023.
• Historically, Invested Capital has averaged $6.0 billion across 5 years, with a median of $4.8 billion in 2022.
• Annual changes were most pronounced in 2023 — Invested Capital tumbled 87.53% — and 2025, when it jumped 513.47%.
• Alliant Energy's Invested Capital stood at $3.7 billion in 2021, then soared by 31.61% to $4.8 billion in 2022, then dropped by 28.59% to $3.5 billion in 2023, then soared by 200.26% to $10.4 billion in 2024, then grew by 6.06% to $11.0 billion in 2025.
• The last three Invested Capital figures came in at $11.0 billion (Q4 2025), $19.0 billion (Q3 2025), and $6.4 billion (Q2 2025), per Business Quant data.