Hydro One to build new transmission line between Sudbury and Barrie – ReNew Canada

February 10, 2026

The Government of Ontario announced it has directed the Ontario Energy Board to designate Hydro One to develop and construct a new priority transmission line between Sudbury and the Barrie area.

The proposed priority project is a new single-circuit 500-kilovolt (kV) transmission line that will span approximately 300 kilometres from the Hanmer Transformer Station (TS) in Sudbury to the Essa TS near Barrie, including associated station facility expansions. The line is expected to be in service in 2032.

Read More: https://www.renewcanada.net/hydro-one-to-build-new-transmission-line-between-sudbury-and-barrie/