Hydro One seeks approval to build the Welland Thorold Power Line

Executive Summary

• Hydro One filed an Ontario Energy Board application to construct a new double‑circuit 230 kV transmission line between Thorold and Welland, with associated expansion of the Crowland Transformer Station.
• The project represents an estimated $311 million investment, slated for completion by 2029, aimed at increasing grid capacity, reliability, and security in the Niagara Region.
• The initiative includes a First Nation 50‑50 equity partnership model, offering proximate First Nations a 50% stake in the transmission line component.

Key Details

• Application submitted to OEB under Section 92 of the Ontario Energy Board Act, 1998 for a double‑circuit 230 kV line from Abitibi Consolidated Junction (Thorold) to Crowland Transformer Station (Welland).
• Estimated total project cost: $311 million.
• Expected construction timeline: 2025–2029, with completion targeted for 2029.
• Project will expand the existing Crowland Transformer Station to accommodate increased load.
• First Nation partnership model: eligible First Nations may acquire a 50% equity stake in the transmission line portion of the project.
• Hydro One’s statement emphasizes historic electricity demand growth in southwestern Ontario over the next 25 years and the need for expanded transmission capacity.
• No immediate financing disclosed; funding presumed to be internal or through existing corporate capital structures.

Notable Quotes

“Ontario is facing historic growth demand for electricity in the next 25 years, especially in the southwest,” said Sonny Karunakaran, Vice President, Strategic Projects and Partnerships. “Electricity is the foundation that will help connect and power new homes, businesses and industries…the time to invest and partner with First Nations is now.”