Canada’s Pipeline Hits the Limit Early

Canada’s oil flows west as Middle East tensions push Asian refiners to look across the Pacific for a steady supply of heavy crude

16 Apr 2026

For years, Canadian oil producers were a captive audience. Their only customer of note was the United States, which bought Alberta’s bitumen at a painful discount. That dynamic is shifting. The Trans Mountain pipeline expansion, once a project defined by delays and doubt, is now nearing full capacity years ahead of schedule.

The timing is less about Canadian efficiency and more about global instability. As conflict disrupts traditional supply chains in the Middle East, Asian refiners are looking elsewhere. Mark Maki, the chief executive of Trans Mountain, noted at a recent industry conference that the system is now running close to full. "I would attribute that to disruption around the globe," he said. By April, the pipeline is expected to reach nearly 100 percent utilization.

The impact on trade routes is stark. China has overtaken the United States as the primary destination for oil flowing through the expanded line. In the year leading up to late 2025, Canadian crude exports to markets outside the United States nearly tripled. This surge in demand has narrowed the price gap between Canadian heavy oil and the American benchmark to its tightest margin in years, putting more cash into the pockets of producers in Calgary.

Success, however, brings its own set of pressures. To keep pace, the pipeline operator is already seeking new long term contracts and exploring technical upgrades to squeeze more barrels through the existing pipes. Major oil sands players like Suncor and Cenovus are ramping up production, betting that the path to the coast will remain clear.

Yet the industry faces a familiar paradox. More capacity tends to invite more production, which eventually leads back to the same bottlenecks the expansion was meant to solve. Alberta’s policymakers are already discussing the need for even more pipelines to the coast. For an industry that recently struggled to find any exit at all, the new challenge is ensuring the current window of opportunity does not slam shut just as production hits its stride. Canada has finally found its way to the global market; the question now is whether it can build fast enough to stay there.