Hydro One Limited

Hydro One is an electricity transmission and distribution company in Ontario. Its business is organized into three segments: Transmission, Distribution, and Other. The company owns and operates approximately 30,000 circuit kilometers of high-voltage transmission lines and approximately 126,000 circuit kilometers primary low-voltage distribution lines. It provides telecommunications support services for its transmission and distribution businesses; and information and communications technology services and solutions.

The company serves residential, small business, commercial, and industrial customers, as well as municipal utilities. Incorporated in 2015, Hydro One is headquartered in Toronto, Canada.