As of February 2025 Hydro One has a market cap of HK$145.63 Billion. This makes Hydro One the world's 1032th 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 31st, 2025 the market cap of Hydro One was reported to be: