Canada just activated a 3,500-kilometer chain of offshore wind installations stretching the entire length of its Atlantic coast — from Newfoundland to Nova Scotia — collectively generating enough electricity to power every home in eastern Canada from ocean wind.
The Atlantic Canada Offshore Wind Corridor deploys wind farms at 14 strategically selected sites along Canada's Atlantic continental shelf where water depths between 30 and 80 meters, consistent North Atlantic westerly winds averaging 9.8 meters per second, and proximity to coastal population centers make offshore wind economically and technically optimal. The 14 installations combined generate 8.4 gigawatts continuously, covering the combined residential electricity demand of Newfoundland, Nova Scotia, New Brunswick, and Prince Edward Island simultaneously. The corridor's 3,500-kilometer geographic extent means different installations experience different weather systems at any moment, providing natural generation smoothing that reduces output variability by 64 percent compared to any single installation site.
Atlantic Canada previously generated 78 percent of its electricity from hydro and wind, with 22 percent from aging thermal plants burning oil and natural gas on islands with no grid connection. The offshore corridor eliminates this thermal generation entirely while providing surplus electricity for export to New England through new submarine cable connections to Maine and Massachusetts.
Atlantic Canada's offshore wind resource is among the world's most powerful, rivaling the North Sea sites that powered Europe's offshore wind revolution — and Canada has barely begun to develop it.
Source: Natural Resources Canada, Nova Scotia Department of Energy, Canada Energy Regulator, 2025
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