Alliant Energy (LNT) Depreciation & Amortization (IS) (2009 - 2025)

Alliant Energy (LNT) has 17 years of Depreciation & Amortization (IS) data on file, last reported at $215.0 million in Q4 2025.

• For the quarter ending Q4 2025, Depreciation & Amortization (IS) rose 6.97% year-over-year to $215.0 million; the trailing twelve-month figure through Dec 2025 stood at $845.0 million (up 9.31% YoY), and the FY2025 full-year result was $846.0 million, up 9.59% from the prior year.
• Depreciation & Amortization (IS) for Q4 2025 stood at $215.0 million, up from $211.0 million in the prior quarter.
• Across five years, Depreciation & Amortization (IS) topped out at $215.0 million in Q4 2025 and bottomed at $163.0 million in Q4 2021.
• The 5-year median for Depreciation & Amortization (IS) is $170.0 million (2022), against an average of $181.1 million.
• The widest annual swing landed in 2023, when Depreciation & Amortization (IS) changed 0.0%; it then increased 16.18% in 2024.
• A 5-year view of Depreciation & Amortization (IS) shows it stood at $163.0 million in 2021, then grew by 4.29% to $170.0 million in 2022, then grew by 1.76% to $173.0 million in 2023, then climbed by 16.18% to $201.0 million in 2024, then increased by 6.97% to $215.0 million in 2025.
• The last three Depreciation & Amortization (IS) figures came in at $215.0 million (Q4 2025), $211.0 million (Q3 2025), and $208.0 million (Q2 2025), per Business Quant data.

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