The Edison Sault Power Canal is used to power the Saint Marys Falls Hydropower Plant at its eastern end. The canal separated downtown Sault Ste. Marie, Michigan, from its mainland, making it an island. It was begun in September 1898 as the Michigan Lake Superior Power Company Canal, but completed by Edison Sault Electric Company in June 1902. Measured from its headgates to its end at the power plant, it is in length, between wide, and deep.Edison Sault Electric Company, Hydroelectric Plant Discussion page, accessed September 29, 2008. The water runs down the canal at speeds upwards of .
