The collapse of trade negotiations between Ottawa and Washington has reignited a fiery debate: should Canada leverage its vast energy reserves to hit back at the United States? Ontario Premier Doug Ford and former Alberta premier Jason Kenney have thrown their weight behind the idea, joined unexpectedly by NDP leader Avi Lewis. But according to Charles St-Arnaud, chief economist at Servus Credit Union, the strategy would be nothing short of catastrophic.
The Siren Song of Retaliation
There is a visceral appeal to turning Canada’s oil taps against the Americans. With tariffs biting into Canadian industries and political tempers running hot, the impulse to retaliate is entirely understandable. Yet St-Arnaud, writing for The Globe and Mail, argues the consequences would be devastating — and largely self-inflicted.
“Any measure that restricts oil exports to the U.S. would be foolish and impractical,” he warned.
A One-Way Street
The numbers tell a stark story. Canada funnels 85 per cent of its crude production south of the border, and there is no spare pipeline capacity to reroute that volume elsewhere. Without viable alternatives, restricting exports would not redirect oil — it would simply shut production down.
Alberta, where oil extraction accounts for a fifth of GDP, would bear the immediate brunt. Storage facilities are already stretched thin, meaning a sudden halt in exports would trigger a cascade of shutdowns, job losses and economic contraction across the province.
The Illusion of a Targeted Tax
Some have suggested an export levy as a more measured response — a surcharge that would squeeze American refiners without choking off supply. In the short term, the logic holds. Midwestern U.S. refineries depend heavily on Canadian crude, and alternative supplies from Gulf Coast ports cannot easily be redirected inland.
But America is unlikely to take the hit lying down.
Ontario’s four refineries rely almost entirely on Canadian oil, and the only way it reaches them is through U.S. pipeline networks snaking through the American Midwest. Quebec faces a similar predicament, with roughly half of its refined product inputs originating south of the border. Washington could throttle those flows or impose its own taxes, triggering an energy shock that could plunge Ontario and Quebec into severe recession.
Canada could attempt to circumvent the bottleneck with crude-by-rail shipments, but the costs would be punishing. Increased freight volumes would also clog rail networks, disrupting industries that depend on them.
A Future Without American Buyers
The long-term picture is even grimmer. Faced with pricier, politically toxic Canadian crude, American refiners would scour the globe for alternative suppliers. Once those relationships are cemented, there is no guarantee they would return — even if a future Canadian government lifted the surtax.
Finding replacement markets for the 4.5 million barrels per day currently flowing south would require a herculean infrastructure build-out. The proposed West Coast pipeline unveiled in July would carry just one million barrels daily at a cost of roughly $40-billion. Replacing the entire U.S. flow would demand at least four additional projects of comparable scale, along with the years — if not decades — needed to construct them.
Premiers Push Back Against the Hardliners
Not every western leader is on board with the weaponisation strategy. Alberta Premier Danielle Smith and Saskatchewan Premier Scott Moe have publicly cautioned that using energy exports as leverage would inflict severe damage on both economies.
St-Arnaud credits them for recognising the danger. The pain from the trade war, he argues, will ultimately prove temporary. Retaliation, by contrast, offers fleeting satisfaction at the cost of lasting economic harm.
Why it Matters
The debate over Canada’s energy leverage is really a debate about national strategy. Channeling public anger into a trade war escalation risks detonating the very industry that underpins Alberta’s prosperity and supplies Ontario and Quebec with the fuel they need to function. A smarter path lies in sharpening Canada’s economic competitiveness and quietly out-building the bully, rather than trading blows in a mutually assured destruction scenario.