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| Ontario critical minerals US trade war |
Ontario Ready to Cut Off Electricity, Critical Minerals to US Amid Trade War
Ontario Premier Doug Ford has threatened to cut off electricity and critical minerals to the United States amid escalating bilateral trade tensions. This aggressive stance comes in direct response to proposed tariffs on Canadian autos and steel. Consequently, vital cross-border supply chains face unprecedented operational risks.
Critical Minerals Vulnerability in American Manufacturing
Michigan imports about 6% of its electricity from Ontario through four international transmission lines with a 2,000-megawatt transfer capacity. Furthermore, Canada exported $28.8 billion worth of critical minerals to the United States in 2025, accounting for 57% of total critical exports. Therefore, losing access to Ontario's Sudbury Basin nickel and Blind River uranium creates severe vulnerabilities for U.S. manufacturing.
Strategic Retaliation and Ongoing Trade Negotiations
Major mining operations managed by global leaders like Vale and Glencore anchor Ontario's position as a premier global nickel producer. Nickel remains an essential component for stainless steel, electric-vehicle batteries, and defense applications. Nevertheless, Premier Ford maintains that communication channels must remain open despite active threats of economic retaliation.
ScrapInsight Commentary
The threat to restrict critical minerals and cross-border electricity highlights the extreme fragility of North American industrial interdependency. As tariff disputes escalate between Ottawa and Washington, downstream sectors like automotive and aerospace face severe supply bottlenecks. Ultimately, prolonged trade conflicts threaten to accelerate supply chain decoupling for critical raw materials.


