Canada is shifting its nuclear energy strategy as it prepares to deploy a new generation of small modular reactors. Unlike the traditional CANDU reactors that defined the country's nuclear history, these upcoming units will require specialized fuel that Canada does not currently produce. This transition marks a significant departure from the long-standing national goal of maintaining a self-sufficient nuclear fuel cycle.
For decades, Canada’s nuclear industry relied on natural uranium, which the country produces in abundance. This allowed for a domestic supply chain that insulated the sector from global market volatility. However, the new small modular reactors are designed to use high-assay low-enriched uranium, a specific type of fuel that requires advanced enrichment capabilities currently concentrated in a few foreign nations.
This reliance on international suppliers introduces new economic and geopolitical variables for the Canadian energy sector. As Ottawa pushes to expand nuclear capacity to meet net-zero climate goals, policymakers must balance the need for rapid deployment with the risks of depending on global supply chains for critical energy components.
Industry experts note that the shift is driven by the technical requirements of modern reactor designs, which offer greater efficiency and flexibility than older models. While these reactors promise to play a vital role in decarbonizing the power grid, the necessity of importing fuel means that Canada’s energy security will now be tied to the stability of foreign enrichment facilities.
Looking ahead, the government and private sector are evaluating whether to invest in domestic enrichment infrastructure. Such a project would be a massive undertaking, requiring significant capital and regulatory oversight. For now, the focus remains on securing reliable international partnerships to ensure these new reactors can operate as planned.