As of October 2024 Hydro One has a market cap of NZ$31.60 Billion. This makes Hydro One the world's 1023th 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 Oct 6th, 2024 the market cap of Hydro One was reported to be: