As of January 2026 Talen Energy has a market cap of $17.35 Billion USD. This makes Talen Energy the world's 1291th 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 12th, 2026 the market cap of Talen Energy was reported to be: