Alliant Energy Corp. revenue by year
Over the 10 fiscal years shown, revenue went from $3.32B (year ended Dec 31, 2016) to $4.36B (year ended Dec 31, 2025), a compound annual growth rate of 3.1%. The fastest growth was +14.6% in the year ended Dec 31, 2022; the weakest year was −6.4% (year ended Dec 31, 2020).
Annual revenue
| Fiscal year ended | Revenue (USD) | Change | XBRL concept | Reported in |
|---|---|---|---|---|
| Dec 31, 2025 | $4.36B | +9.6% | Revenues | 10-K filed Feb 20, 2026 |
| Dec 31, 2024 | $3.98B | −1.1% | Revenues | 10-K filed Feb 20, 2026 |
| Dec 31, 2023 | $4.03B | −4.2% | Revenues | 10-K filed Feb 20, 2026 |
| Dec 31, 2022 | $4.21B | +14.6% | Revenues | 10-K filed Feb 21, 2025 |
| Dec 31, 2021 | $3.67B | +7.4% | Revenues | 10-K filed Feb 16, 2024 |
| Dec 31, 2020 | $3.42B | −6.4% | Revenues | 10-K filed Feb 24, 2023 |
| Dec 31, 2019 | $3.65B | +3.2% | Revenues | 10-K filed Feb 18, 2022 |
| Dec 31, 2018 | $3.53B | +4.5% | Revenues | 10-K filed Feb 19, 2021 |
| Dec 31, 2017 | $3.38B | +1.9% | Revenues | 10-K filed Feb 21, 2020 |
| Dec 31, 2016 | $3.32B | +2.0% | Revenues | 10-K filed Feb 22, 2019 |
Quarterly revenue
Quarters reported in 10-Q filings. Fourth quarters are usually reported only inside the annual 10-K, so they are not listed separately here; we do not estimate them.
| Quarter | Revenue (USD) | vs same quarter a year earlier | Source |
|---|---|---|---|
| 3 months ended Mar 31, 2026 | $1.18B | +5.0% | 10-Q filed May 1, 2026 |
| 3 months ended Sep 30, 2025 | $1.21B | +11.9% | 10-Q filed Nov 7, 2025 |
| 3 months ended Jun 30, 2025 | $961.00M | +7.5% | 10-Q filed Aug 8, 2025 |
| 3 months ended Mar 31, 2025 | $1.13B | +9.4% | 10-Q filed May 1, 2026 |
| 3 months ended Sep 30, 2024 | $1.08B | +0.4% | 10-Q filed Nov 7, 2025 |
| 3 months ended Jun 30, 2024 | $894.00M | −2.0% | 10-Q filed Aug 8, 2025 |
| 3 months ended Mar 31, 2024 | $1.03B | −4.3% | 10-Q filed May 9, 2025 |
| 3 months ended Sep 30, 2023 | $1.08B | −5.1% | 10-Q filed Nov 1, 2024 |
Source: SEC EDGAR XBRL company facts for CIK 352541 (raw data). Most recent filing in this dataset: 10-Q filed May 1, 2026. SEC data file dated Nov 3, 2026; page built Nov 5, 2026. Figures are as most recently reported, including restatements. How we select figures.