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 is displayed on the SSM PUC website. The project was completed in 2011, with about 270,000 panels. Energy generated from each of the three stations will be sold to SSM PUC through 20 year Power Purchase Agreements using Ontario Power Authority's Renewable Energy Standard Offer Program. 8 km northwest is the Prince Township Wind Farm, Canada's 3rd largest wind farm, rated at 189 MW, which along with 203 MW of hydroelectricity, further makes Sault Ste. Marie a green city. Sault Ste. Marie Solar Park The Sault Ste. Marie Solar Park near Sault Ste. Marie, Ontario, Canada, in 2011 became Canada's