Montréal, February 10, 2023

Press Release

Great River Hydro Acquisition of New England hydropower fleet is finalized

The acquisition of Great River Hydro, LLC, owner of 13 hydroelectric power stations in New England, by HQI US Holding LLC, a 100% subsidiary of Hydro-Québec, from an affiliate of ArcLight Capital Partners, LLC was concluded after obtaining all required regulatory approvals, including from the Vermont Public Utility Commission and the Federal Energy Regulatory Commission.

Great River Hydro’s portfolio of hydroelectric plants, located on the Connecticut and Deerfield rivers in the states of Vermont, New Hampshire, and Massachusetts, is the largest conventional hydropower fleet in New England, where ambitious decarbonization and electrification objectives have been set and where the amount of electricity generated from variable renewable energy sources is poised to increase sharply.


About Hydro-Québec

Hydro-Québec generates, transmits and distributes electricity. It is Canada’s largest electricity producer and ranks among the world’s largest hydropower producers. Its sole shareholder is the Québec government. Recognized as a leader in hydropower and large transmission systems, Hydro-Québec exports clean, renewable power and commercializes its expertise and innovations on world markets. For more information, visit


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