Filing Flows › Alliant Energy (LNT) › Q4 2025
Alliant Energy (LNT) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Feb 20, 2026
Alliant Energy (LNT) reported revenue of $1.1B for the fourth quarter 2025 (Q4 2025), +9% from a year earlier and -12% from the quarter before. Operating margin was 18.5%, net earnings $142M (13.3% of revenue).
Alliant Energy, Q4 2025: revenue $1.1B (+9% year over year), operating margin 18.5%, net earnings $142M, operating cash flow $269M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.1B | -12% | +9% |
| Operating profit | $197M | -44% | -11% |
| Net earnings | $142M | -49% | -5% |
| Operating cash flow | $269M | -34% | +6% |
What changed
Revenue was $1.1B in Q4 2025, up 9% year over year and down 12% from the previous quarter. Electric was the largest line at 82% of revenue.
Operating profit was $0.20B, a 18.5% margin (down 4.1 points year over year). Operating profit fell $0.02B even though revenue rose $0.09B versus a year earlier, so costs grew faster than sales. Total costs grew 15% against revenue growth of 9%. The fastest-growing cost line was Other operating costs (+18%). Net earnings were $0.14B, down 5% year over year. The effective tax rate was -39.2%.
Operating cash flow was $0.27B (up 6% year over year), 189% of net earnings. Non-cash charges added back $0.21B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items used $0.10B. Capital expenditures of $0.79B exceeded it, leaving free cash flow of −$0.52B.
Questions
What was Alliant Energy's revenue in the fourth quarter 2025?
Alliant Energy (LNT) reported revenue of $1.1B for the fourth quarter 2025 (Q4 2025), +9% from a year earlier and -12% from the quarter before.
Was Alliant Energy profitable in the fourth quarter 2025?
Operating profit was $197M (18.5% of revenue) and net earnings $142M.
Source: Alliant Energy 10-K on SEC EDGAR.