Alliant Energy reported revenue of $4.36 billion for fiscal year 2025 (ended December 31, 2025), up 13.7% from fiscal year 2024. Net income was $810.00 million, a net margin of 18.6%, and diluted earnings per share were $3.14.
At the end of fiscal year 2025 it had total assets of $24.99 billion, total liabilities of $17.66 billion and shareholders' equity of $7.33 billion, with cash and short-term investments of $556.00 million and total debt of $12.12 billion.
Its operations brought in $1.17 billion of cash, leaving free cash flow of $1.17 billion.
The tables below show the income statement, balance sheet and cash flow statement; the key figures of the last 5 fiscal years are at the bottom of the page.
Figures from company filings, in USD; latest fiscal year ended December 31, 2025.

Annual • USD
| FY2025 | FY2024 | FY2023 | FY2022 | FY2021 | |
|---|---|---|---|---|---|
| Revenue | $4.4B | $3.8B | $3.9B | $4.1B | $3.7B |
| Gross profit | $2.0B | – | – | – | $1.6B |
| Operating income | $1.0B | $886.0M | $943.0M | $928.0M | $795.0M |
| Net income | $810.0M | $690.0M | $703.0M | $686.0M | $659.0M |
| Diluted EPS | $3.14 | – | – | – | $2.63 |
| Total assets | $25.0B | $22.7B | $21.2B | $20.2B | $18.6B |
| Total liabilities | $17.7B | $15.7B | $14.5B | $13.9B | $12.6B |
| Shareholders' equity | $7.3B | $7.0B | $6.8B | $6.3B | $6.0B |
| Cash and short-term investments | $556.0M | – | – | – | $39.0M |
| Total debt | $12.1B | $10.6B | $9.7B | $8.9B | $7.9B |
| Operating cash flow | $1.2B | $1.2B | $867.0M | $486.0M | $582.0M |
| Free cash flow | $1.2B | – | – | – | $582.0M |
In USD. Fiscal years as reported by the company; statements on this page go back to fiscal year 2020.
$4.36 billion, up 13.7% from $3.84 billion in fiscal year 2024.
Alliant Energy reported net income of $810.00 million for fiscal year 2025 (18.6% of revenue); operating income was $1.03 billion.
At the end of fiscal year 2025: cash and short-term investments of $556.00 million and total debt of $12.12 billion.
$1.17 billion in fiscal year 2025 (operating cash flow of $1.17 billion).