Filing Flows › Alliant Energy (LNT) › Q3 2026
Alliant Energy (LNT) Q3 2026 earnings results (third quarter 2026)
10-Q filed Oct 30, 2026
Alliant Energy (LNT) reported revenue of $1.3B for the third quarter 2026 (Q3 2026), +6% from a year earlier. Operating margin was 30.3%, net earnings $398M (31.0% of revenue).
Alliant Energy, Q3 2026: revenue $1.3B (+6% year over year), operating margin 30.3%, net earnings $398M, operating cash flow $428M. The chart follows the revenue to costs, profit and cash.
| Q3 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.3B | — | +6% |
| Operating profit | $389M | — | +11% |
| Net earnings | $398M | — | +42% |
| Operating cash flow | $428M | — | +5% |
What changed
Revenue was $1.3B in Q3 2026, up 6% year over year. IPL was the largest line at 52% of revenue. WPL added $0.06B year over year (up 10%), 73% of the total change.
Operating profit was $0.39B, a 30.3% margin (up 1.4 points year over year). Of the extra revenue versus Q3 2025, 53% reached operating profit, above the 29% margin then. Total costs grew 4% against revenue growth of 6%. Net earnings were $0.40B, up 42% year over year. The effective tax rate was -20.2%.
Operating cash flow was $0.43B (up 5% year over year), 108% of net earnings. Non-cash charges added back $0.22B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items used $0.21B. Capital expenditures of $0.73B exceeded it, leaving free cash flow of −$0.30B.
Questions
What was Alliant Energy's revenue in the third quarter 2026?
Alliant Energy (LNT) reported revenue of $1.3B for the third quarter 2026 (Q3 2026), +6% from a year earlier.
Was Alliant Energy profitable in the third quarter 2026?
Operating profit was $389M (30.3% of revenue) and net earnings $398M.
Source: Alliant Energy 10-Q on SEC EDGAR.