Alliant Energy Corp annual operating income for fiscal TTM was $1.0 billion, a decrease of 0.8% from $1.0 billion in fiscal 2025. All figures are reported results from public filings — no estimates or projections.
| Operating Income (annual) | TTM → 2026-03-31 | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 | 2020-12-31 | 2019-12-31 | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 | 2014-12-31 | 2013-12-31 | 2012-12-31 | 2011-12-31 | 2010-12-31 | 2009-12-31 | 2008-12-31 | 2007-12-31 | 2006-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating Income (EBIT) | $1.0B | $1.0B | $886M | $943M | $928M | $795M | $740M | $778M | $694M | $653M | $554M | $577M | $544M | $534M | $520M | $478M | $556M | $397M | $489M | $763M | $403M |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
| Operating Income (quarterly) | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 |
|---|---|---|---|---|---|---|---|---|
| Operating Income (EBIT) | $249M | $196M | $349M | $223M | $257M | $221M | $313M | $130M |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
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