As of December 2025 T1 Energy has a market cap of ยฃ0.81 Billion. This makes T1 Energy the world's 5820th 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 Dec 4th, 2025 the market cap of T1 Energy was reported to be: