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New York plans two major underground lines for climate goals [free access]

September 23, 2021

New York announced plans to build two new major electricity transmission lines to help the state meet its ambitious climate goals of 70 per cent renewable electricity by 2030. The New York Power Authority (NYPA), Invenergy LLC, and EnergyRe LLC will construct one line that will stretch 174 miles (280 km) from upstate New York's Delaware County to Rainey substation in Queens.


The second line is the Champlain Hudson Power Express (CHPE) that will run 339 miles (545 km) from Canada’s Quebec to Queens, and will be developed by Canadian Hydro-Québec and Blackstone-backed Transmission Developers Inc. The New York state has entered into a USD20 billion, 25-year agreement with Hydro-Québec for the import of 10.4 TWh of hydropower annually. This would be facilitated by the CHPE project, which includes a 60-km portion in Quebec. Hydro-Quebec will co-own this line with the Mohawk Council of Kahnawake (MCK).


Both transmission lines will be buried underground to make them more storm-resistant. Construction on the CHPE line from Quebec is planned to begin in 2025, while the line from Delaware County is expected to begin in 2027, subject to regulatory approvals.