To carry Ontario power to US, mostly Green Energy. Watch video CTV Report starting at minute 1:00
Ontario Hydro Sells Green Energy cheap.
So, Ontarians pay through the nose for Greed Energy generated by Industrial Wynne Turbines, while the US can buy it at a DEEP discount.
Of course, if they had to pay the real cost, they wouldn’t and we’d be stuck with unusable greed-generated energy.