The leader of Canada’s most populous province has followed through on a pledge to hike electricity prices for Americans in response to President Trump’s tariffs as residents of US border states New York,

President Donald Trump backed down from an extraordinary trade war escalation Tuesday that had threatened a massive surge in Canadian steel and aluminum tariffs and new tariffs on Canadian electricity.

Ontario imposes a 25% surcharge on electricity exports to New York, Minnesota, and Michigan in response to U.S. tariffs.