Swelling U.S. power prices may rise even faster in some parts of the country if 10% energy tariffs imposed by the Trump administration this week hit Canadian electricity supplies and trigger retaliation,

During his State of the Union address Tuesday, President Donald Trump falsely linked tariffs against Canada and Mexico to

Ontario’s leader said he will add a 25% export tax on electricity sent to New York and other states in retaliation for Trump’s tariffs. Ontario provides 2,500 of the 4,600 megawatts of capacity that New York draws upon from Canada, the NYISO reports.