As of January 2026 CMS Energy has a market cap of A$32.49 Billion. This makes CMS Energy the world's 1080th 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 Jan 18th, 2026 the market cap of CMS Energy was reported to be: