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Alliant Energy (LNT) Q2 2026 earnings results (second quarter 2026)

10-Q filed Jul 31, 2026

Alliant Energy (LNT) reported revenue of $971M for the second quarter 2026 (Q2 2026), +1% from a year earlier and -18% from the quarter before. Operating margin was 19.1%, net earnings $170M (17.5% of revenue).

Revenue$971M
Year over year+1%
Quarter over quarter-18%
Operating margin19.1%
Net earnings$170M

Alliant Energy, Q2 2026: revenue $971M (+1% year over year), operating margin 19.1%, net earnings $170M, operating cash flow $113M. The chart follows the revenue to costs, profit and cash.

Q2 2026AmountQ/QY/Y
Revenue$971M-18%+1%
Operating profit$185M-26%-17%
Net earnings$170M-24%-2%
Operating cash flow$113M-69%-53%

What changed

Revenue was $971.0M in Q2 2026, up 1% year over year and down 18% from the previous quarter. IPL was the largest line at 49% of revenue. IPL added $6.0M year over year (up 1%), 60% of the total change.

Operating profit was $185.0M, a 19.1% margin (down 4.2 points year over year). Operating profit fell $38.0M even though revenue rose $10.0M versus Q2 2025, so costs grew faster than sales. Total costs grew 7% against revenue growth of 1%. Net earnings were $170.0M, down 2% year over year. The effective tax rate was -44.1%.

Operating cash flow was $113.0M (down 53% year over year), 66% of net earnings. Non-cash charges added back $220.0M of depreciation and amortization and $10.0M of share-based compensation. Working capital and other items used $287.0M. Capital expenditures of $571.0M exceeded it, leaving free cash flow of −$458.0M.

Questions

What was Alliant Energy's revenue in the second quarter 2026?

Alliant Energy (LNT) reported revenue of $971M for the second quarter 2026 (Q2 2026), +1% from a year earlier and -18% from the quarter before.

Was Alliant Energy profitable in the second quarter 2026?

Operating profit was $185M (19.1% of revenue) and net earnings $170M.

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Source: Alliant Energy 10-Q on SEC EDGAR.