Alliant Energy (LNT) 10-K Summaries & Annual Filing History
Review Alliant Energy Corporation (LNT) 10-K filings from 2023 through the latest annual report, including business, financial performance, risks, and liquidity.
Key takeaway
Year ended Dec 31, 2025 · FY2025 10-K
Alliant Energy is a public utility holding company whose operations are discussed in the available filing sections. Its latest annual results show an increase in revenue compared to the prior year, with operating income, net income, and operating cash flow all reported.
Financial snapshot
Selected annual figures reported with the filing, shown separately from the narrative summary.
Annual revenue
$4.4B
Revenue reported for the fiscal year.
Operating income
$1B
Income from operations reported for the year.
Net income
$810M
Net income reported for the year.
Operating cash flow
$1.2B
Cash generated by operating activities.
Annual revenue trend
Reported annual revenue and its change from the preceding fiscal year.
| Period ended | Revenue | Year-over-year change |
|---|---|---|
| Dec 31, 2022 | $4.2B | +14.6% |
| Dec 31, 2023 | $4B | -4.2% |
| Dec 31, 2024 | $4B | -1.1% |
| Dec 31, 2025 | $4.4B | +9.6% |
Business overview
The company's business overview is indicated through Item 1, which references the Business, Risk Factors, Unresolved Staff Comments, and Cybersecurity sections. The filing also describes a portfolio of electric generation units located in Iowa, Wisconsin, and Minnesota that uses natural gas, renewable resources, and coal.
Financial performance
For the period covered, reported revenue was at a level of billions, along with operating income in the billions, net income in the hundreds of millions, and operating cash flow in the billions. The revenue trend shows an increase in the most recent period compared to the prior year.
Material risks
Identified risk factors are referenced under Item 1A, though the filed text does not provide detailed descriptions of those risks. The filing mentions seasonal capacity reserve margin requirements that vary by quarter, which could pose operational or planning risks.
Liquidity and capital
The liquidity and capital resources section discusses seasonal capacity reserve margins and generation fuel supply arrangements. The company owns generation units that use a mix of natural gas, renewable resources, and coal, which implies capital commitments for fuel sourcing and capacity planning.
What to watch
Monitor any changes in seasonal capacity reserve margin requirements, as they affect operational planning and capital allocation.