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 Ac projects, the first two were completed, by the POD Generating Group, in October, 2010, the Baseline Road Facility on the west side of the city, also known as SSM1, using 87,000 Q.BASE modules from Q-Cells. The project was acquired by Starwood Energy, in June, 2010. The remainder of the project was completed by Q-Cells. SSM2 is 30 MW Ac, and SSM3 is 10 MW Ac, both near Black Road on the east side of Sault Ste Marie. The total electricity peak demand for Sault Ste. Marie is 90-100 MW in summer and 140-150 MW in winter. The instantaneous demand