Toronto Power Generating Station
Opened in 1906 to supply the Toronto market, this generating station was the first wholly Canadian-owned hydro-electric facility at Niagara Falls. Engineers adapted advanced European and American technologies to a difficult site in a bold and enterprising way. The station's palatial powerhouse was designed by the eminent Toronto architect E.J. Lennox to complement the scenic setting. Symmetrical, colonnaded and faced in limestone, it is an early and unusual application of Beaux-Arts design to an industrial site in Canada. Purchased by Ontario Hydro in 1922, the station operated until 1974.
Plaque via Alan L. Brown's site Ontario Plaques. Full page here.