Hydro One System Information

Hydro One delivers electricity to Ontarians through its high voltage transmission lines and stations. Our teams help bring power to the businesses, homes and people of Ontario.

Ensuring Ontarians have reliable access to electricity is our focus. Over the years, demands on our power system have grown with the province. To keep up with demand, investments are being made in the infrastructure, including replacing wires and poles, as well as upgrading transmission stations.

Understanding how power reaches your home or business highlights why these investments are so critical.