 The SM-IA expansion was commissioned in June 2002, adding two fully regulated 11 MW vertical Kaplan turbines to the existing Francis turbine.The river flow is regulated by the SM-3 generating station and reservoir upstream, which came into service in Spring 2003.The plant was acquired by Innergex (50.1%) and Desjardins Group Pension Plan (49.99%) in 2014, and delivers power under contract to Hydro Quebec.