In 2009 , Enbridge bought the Sarnia Photovoltaic Power Plant .
In 2009 , Enbridge expanded it up to 80 MW , which was the world 's largest photovoltaic power station at that time .
In 2009 , Enbridge bought the Sarnia Photovoltaic Power Plant and expanded it up to 80 MW , which was the world 's largest photovoltaic power station at that time .