As of November 2024 Alliant Energy has a market cap of $15.60 Billion USD. This makes Alliant Energy the world's 1180th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Nov 14th, 2024 the market cap of Alliant Energy was reported to be: