Quick Answer
ALLIANT ENERGY CORP reported Operating Income Loss of $1.03 billion for the year ending 2025.
- ALLIANT ENERGY CORP showed an increase of +15.7% in Operating Income Loss from 2024 to 2025.
- This data is from ALLIANT ENERGY CORP's annual report (Form 10-K), filed with the SEC on February 20, 2026.
- XBRL data for this metric is available from 2008 to 2025 (18 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
- Over the full 18 years of available data (2008 to 2025), ALLIANT ENERGY CORP's Operating Income Loss has grown by 110.5%.
- Historical annual values: Fiscal year 2025: $1.03 billion | Fiscal year 2024: $886.00 million | Fiscal year 2023: $943.00 million | Fiscal year 2022: $928.00 million | Fiscal year 2021: $795.00 million | Fiscal year 2020: $740.00 million | Fiscal year 2019: $778.00 million | Fiscal year 2018: $694.00 million | Fiscal year 2017: $671.20 million | Fiscal year 2016: $554.10 million | Fiscal year 2015: $577.00 million | Fiscal year 2014: $543.60 million | Fiscal year 2013: $533.90 million | Fiscal year 2012: $519.70 million | Fiscal year 2011: $513.30 million | Fiscal year 2010: $560.00 million | Fiscal year 2009: $396.20 million | Fiscal year 2008: $487.00 million.
- Data sourced from SEC EDGAR public filings as of June 20, 2026.
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