St. Marys River (Michigan–Ontario) arch bridge, takes road traffic across the river. Directly to the west is the Sault Ste. Marie International Railroad Bridge, which carries rail traffic on a single set of tracks. The Edison Sault Electric Hydroelectric Plant, located at the eastern end of the Sault Ste. Marie Power Canal which runs between Lake Superior and Lake Huron through the city south of the American locks, is one of the longest hydroelectric plants in the world at in length. The plant consists of 74 three-phase generators capable of generating 25 to 30 megawatts. It was completed in 1902. The hydro plant is
Sault Ste. Marie Solar Park Sault Ste. Marie Solar Park The Sault Ste. Marie Solar Park near Sault Ste. Marie, Ontario, Canada, in 2011 became Canada's second largest photovoltaic plant with an installed capacity of 68 MW. In 2009, Ontario introduced a feed-in tariff for renewable energy payments program paying up to CDN 44.3 cents per kilowatt-hour (kW·h) for large ground arrays such as Sault Ste. Marie. This makes Ontario's one of the top feed in tariff programs in the world. All of the power produced will be sold for CDN 42 cents per kW·h for the first 20 years. Consisting of six 10 MW