Ontario Construction News staff writer
Hydro One has been chosen to build a new key transmission line connecting Sudbury and the Barrie region. This project involves a new single-circuit 500-kilovolt (k V) transmission line that will stretch roughly 300 kilometres from the Hanmer Transformer Station (TS) in Sudbury to the Essa TS near Barrie, along with expansions to associated station facilities. The line is projected to be operational by 2032.
“Ontario’s demand for electricity is increasing, faster than it has in decades. This line will allow us to connect to new sources of generation, unlock opportunities to add electricity capacity to the system and strengthen the backbone of the grid,” said David Lebeter, President and CEO, Hydro One. “In partnership with First Nations and communities, we will develop this project to reflect local knowledge and priorities, meet demand, power growth and support economic prosperity. We thank the government for its support as we continue to invest in a stronger, more secure Ontario and Canada.”
The designation of this project includes the direction to complete development work for a second new single-circuit 500-k V transmission line. This work will help support new generation opportunities in northern Ontario, strengthen reliability and prepare the system for future growth. A recommended in-service date for the second line will be determined by the Independent Electricity System Operator.
Through Hydro One’s First Nation Equity Partnership Model, nearby First Nations will have an opportunity to invest in a 50 per cent equity stake in the transmission line aspect of this project. Together, Hydro One and these First Nations will collaborate on planning, developing and constructing the transmission line.
“With up to 40 new mines expected to start by 2033 alone, Ontario is building for the future by accelerating a critical transmission line that will energize the north and boost the economy,” said the Hon. Stephen Lecce, Minister of Energy and Mines. “Built in true partnership with First Nations, this new line will significantly increase power flow from south to north improving quality of life while unlocking responsible resource development across northern regions.
“As we navigate global uncertainty, Ontario’s plan is driving Canadian self-reliance as we build using over 90 per cent made-in-Canada materials. Ontario’s Integrated Energy Plan expands the grid boosting reliability while adding more capacity and attracting job creating investment into Ontario.”
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