Hydro One is seeking approval for a $1.3 billion North Shore Link to connect transmission facilities in northeastern Ontario, with service expected in 2029. The project matters to investors because Hydro One says it would strengthen the northern electricity system, improve resilience and support economic growth.

Key Highlights

  • Hydro One Networks and Hydro One Sault Ste. Marie jointly submitted the construction application to the Ontario Energy Board.
  • Mississagi Transformer Station would be upgraded, while Algoma Transformer Station would be expanded and Third Line Transformer Station upgraded.
  • The proposed transmission line is expected to enter service in 2029.

The line is expected to support economic growth and strengthen the resilience of the northern transmission system.

North Shore Link Application Details

Hydro One Networks Inc. and Hydro One Sault Ste. Marie LP submitted a joint leave-to-construct application to the Ontario Energy Board. The proposed line would connect Mississagi Transformer Station near Wharncliffe with the Third Line Transformer Station in Sault Ste. Marie, which is owned by Hydro One Sault Ste. Hydro One would upgrade Mississagi Transformer Station and expand nearby Algoma Transformer Station, while Hydro One Sault Ste. Marie would oversee work at Third Line Transformer Station.

Northern Grid Resilience and Growth

Hydro One expects the North Shore Link to improve the connection between northeastern and northwestern Ontario and make the northern transmission system more resilient. Service is targeted for 2029.