As of December 2024 Hydro One has a market cap of $18.49 Billion USD. This makes Hydro One the world's 1039th 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 17th, 2024 the market cap of Hydro One was reported to be: