Scorching summer has Ontario electricity usage hit highs not seen since 2013 scorching-summer-has-ontario-electricity-usage-hit-highs-not-seen-since-2013 #Scorching #summer #Ontario #electricity #usage #hit #highs, The scorching summer of 2025 has led to levels of electricity usage not seen in more than a decade in Ontario. The Independent Electricity System Operator (IESO), which manages Ontario’s power system, told Global News […]