Explore Alliant Energy's complete collection of publicly available corporate disclosures, including annual reports, sustainability reports, financial statements, ESG data spreadsheets, and related web publications. Each document is sourced directly from Alliant Energy's official channels and fully traceable to its official company sources.
The table below lists all of Alliant Energy's' corporate disclosure by name and reporting period, ensuring full transparency and easy access.
If you want to search across Alliant Energy's' disclosures for specific data or insights, use our Disclosure Search.
| Name | Reporting Period | |
|---|---|---|
10-K | 2025 | |
Climate Assessment Report | 2024 | |
Responsibility Report | 2024 | |
Annual Report | 2024 | |
Climate Report | 2024 | |
Financial & Extra-Financial Disclosure | 2024 | |
Annual Report | 2023 | |
CDP Water sourced from company’s website | 2023 | |
Financial & Extra-Financial Disclosure | 2023 | |
CDP Climate sourced from company’s website | 2023 | |
Financial & Extra-Financial Disclosure | 2023 | |
ESG Report | 2023 | |
Financial & Extra-Financial Disclosure | 2023 | |
Equal employment opportunity (EEO) Report | 2023 | |
Corporate Responsibility Report (CRR) | 2023 | |
10-K | 2023 | |
10-K | 2022 | |
Financial & Extra-Financial Data Spreadsheet | 2022 | |
Climate Assessment Report | 2022 | |
CDP Climate sourced from company’s website | 2022 | |
CDP Climate sourced from company’s website | 2022 | |
Equal employment opportunity (EEO) Report | 2022 | |
Annual Report | 2022 | |
ESG Report | 2022 | |
10-K | 2021 | |
Annual Report | 2021 | |
Equal employment opportunity (EEO) Report | 2021 | |
SASB Report | 2021 | |
CDP Water sourced from company’s website | 2021 | |
ESG Report | 2021 | |
CDP Climate sourced from company’s website | 2021 | |
10-K | 2020 | |
Annual Report | 2020 | |
Annual Report | 2019 | |
10-K | 2018 | |
Annual Report | 2018 | |
10-K | 2017 | |
Annual Report | 2017 | |
10-K | 2016 | |
Annual Report | 2016 | |
10-K | 2015 | |
Annual Report | 2015 | |
10-K | 2014 | |
Annual Report | 2014 | |
10-K | 2013 | |
Annual Report | 2013 | |
Annual Report | 2012 | |
10-K | 2011 | |
Annual Report | 2011 | |
10-K | 2010 | |
Annual Report | 2010 | |
10-K | 2009 | |
Annual Report | 2009 | |
Annual Report | 2008 | |
Annual Report | 2007 | |
Annual Report | 2006 | |
Annual Report | 2005 | |
Annual Report | 2004 | |
Annual Report | 2003 | |
Annual Report | 2002 |