Quick answer
Alliant Energy Corp (LNT) reported revenue of $4.36B and net income of $810.0M for the fiscal year ended 2025-12-31, up 9.6% from $3.98B the year before, per its 10-K filed with the SEC on 2026-02-20. Long-term debt stood at $10.95B.
Data as of 2025-12-31. Source: SEC EDGAR XBRL company facts (10-K/10-Q filings)
| Fiscal year | Revenue | Net income | Long-term debt |
|---|---|---|---|
| 2025 (FY ending 2025-12-31) | $4.36B | $810.0M | $10.95B |
| 2024 (FY ending 2024-12-31) | $3.98B | $690.0M | $8.68B |
| 2023 (FY ending 2023-12-31) | $4.03B | $703.0M | $8.22B |
| 2022 (FY ending 2022-12-31) | $4.21B | $686.0M | $7.67B |
| 2021 (FY ending 2021-12-31) | $3.67B | $674.0M | $6.74B |
| 2020 (FY ending 2020-12-31) | $3.42B | $624.0M | $6.77B |
| 2019 (FY ending 2019-12-31) | $3.65B | $567.0M | $5.53B |
| 2018 (FY ending 2018-12-31) | $3.53B | $522.0M | $5.25B |
| 2017 (FY ending 2017-12-31) | $3.38B | $467.5M | $4.01B |
| 2016 (FY ending 2016-12-31) | $3.32B | $381.7M | $4.32B |
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Last updated 2026-10-16. Data only, not financial or tax advice.