Current calculation evidence unavailable. Quote observation: unavailable. Latest historical point 2026-09-08. Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.
Current calculation evidence unavailable. Quote observation: unavailable. Latest historical point 2026-09-08. Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.
Current calculation evidence unavailable. Quote observation: unavailable. Latest historical point 2026-09-08. Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.
Current calculation evidence unavailable. Quote observation: unavailable. Latest historical point 2026-02-19. Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.
Current calculation evidence unavailable. Quote observation: unavailable. Latest historical point 2026-09-08. Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.
Current calculation evidence unavailable. Quote observation: unavailable. Latest historical point 2026-09-08. Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.
Current calculation evidence unavailable. Quote observation: unavailable. Latest historical point 2026-02-19. Historical values estimate market capitalization from statement-period weighted shares. Comparisons with the current quote-based value are approximate. Only filing versions delivered by FMP are available for the historical calculation.
Alliant Energy Corporation functions as a utility holding company, specializing in the provision of regulated electricity and natural gas services. Its operational structure is divided into three principal segments: Utility Electric Operations, Utility Gas Operations, and Utility Other.
Selected amounts supplied by FMP for each displayed period. Reviewed label references appear where available; other labels are unverified, and items may overlap.
Product / business disclosures (FY 2025)
2025-12-31 · USD
Reviewed labels link to their filing; other labels are unverified FMP source labels.
Electric$3.70B
Gas$525.00M
Other Utility$51.00M
Reviewed presentation labels and parent/child details link to filing evidence; other FMP source labels remain unverified. Mutual exclusivity and reconciliation to a total for the same reporting period and currency have not been verified; percentages and stacked totals are unavailable.
