As of January 2026 Energy Transfer Partners has a market cap of ยฃ44.77 Billion. This makes Energy Transfer Partners the world's 405th 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 14th, 2026 the market cap of Energy Transfer Partners was reported to be: