Alliant Energy (LNT) Construction in Progress (2009 - 2025)

Alliant Energy's Construction in Progress history runs 17 years deep, the most recent figure standing at $1.7 billion for Q4 2025.

• On a quarterly basis, Construction in Progress rose 43.37% year-over-year to $1.7 billion in Q4 2025; TTM through Dec 2025 was $1.7 billion, a 43.37% increase from a year earlier, with the FY2025 full-year figure at $1.7 billion, up 43.37% from the prior year.
• Construction in Progress advanced to $1.7 billion in Q4 2025 per LNT's latest filing, from $1.2 billion in the prior quarter.
• Across five years, Construction in Progress topped out at $1.7 billion in Q4 2025 and bottomed at $778.0 million in Q4 2021.
• The 5-year median for Construction in Progress is $1.2 billion (2023), against an average of $1.3 billion.
• Across the five-year window, Construction in Progress surged 92.1% in 2021 and declined 8.25% in 2023, its largest moves.
• Year by year, Construction in Progress stood at $778.0 million in 2021, then surged by 74.42% to $1.4 billion in 2022, then dropped by 8.25% to $1.2 billion in 2023, then declined by 2.41% to $1.2 billion in 2024, then surged by 43.37% to $1.7 billion in 2025.
• Per Business Quant, the three latest LNT Construction in Progress figures stand at $1.7 billion (Q4 2025), $1.2 billion (Q4 2024), and $1.2 billion (Q4 2023).