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Energy Tech Review | Wednesday, December 03, 2025
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Fremont, CA: Nuclear fusion—the process that powers the sun—has long been hailed as the ultimate clean energy source. It promises virtually limitless, safe, and carbon-free power. While often cited as "30 years away," recent breakthroughs, particularly in the private sector, have accelerated the timeline. Canada is now positioning itself as a key global player in this transformative energy race, with profound implications for both Canada and the international stage.
Progress Toward Commercial Viability in Canada
A combination of private-sector innovation and an expanding public-private research ecosystem is propelling Canada’s advancement in fusion energy. Magnetized Target Fusion (MTF) works by injecting plasma into a rotating sphere of liquid metal, after which synchronised pistons create a shock wave that compresses and heats the plasma to fusion conditions. This method avoids the need for complex superconducting magnets used in tokamaks, positioning MTF as a potentially more scalable and cost-efficient alternative.
Beyond this flagship effort, Canada is building a robust fusion ecosystem that strengthens national scientific and industrial capabilities. Canada also holds a unique competitive advantage in tritium, a critical component of early fusion fuel cycles. Ontario Power Generation reactors produce most of the world’s commercial tritium supply, placing Canada at the forefront of the global fuel value chain for deuterium–tritium systems. Complementing this advantage, Canadian Nuclear Laboratories (CNL) continues to expand its infrastructure at sites such as Chalk River to accelerate fusion-related research, including advancements in fuel-cycle technologies and supporting systems.
Global Implications of Commercial Fusion
The successful commercialization of fusion energy—particularly through a major Canadian breakthrough—would deliver profound global benefits spanning climate strategy, energy security, and international economic dynamics. From a climate perspective, fusion represents a transformative zero-carbon baseload energy source that can operate continuously without greenhouse gas emissions. Its reliability makes it an ideal complement to intermittent renewable resources such as wind and solar, while modelling from institutions such as MIT indicates that the widespread availability of economically competitive fusion power could lower the global cost of power-sector decarbonization by trillions of dollars by 2100.
Fusion’s inherent fuel abundance would also reshape global energy security. Deuterium is easily extracted from water, while tritium can be regenerated within operating reactors, ensuring a nearly inexhaustible and widely distributed fuel supply. This stands in stark contrast to fossil fuels and even uranium, which remain concentrated in specific geopolitical regions. As fusion deployment scales, the world could shift toward a more democratized and resilient energy landscape, dramatically reducing dependence on traditional oil and gas producers and enabling greater national energy autonomy.
Canada's strategic advantages—its world-class nuclear expertise, unique tritium supply, and cutting-edge private-sector innovation — position it not just as a participant but as a leader in the final push for commercial fusion energy. By accelerating public-private partnerships and solidifying policy support, Canada is laying the groundwork for a future where clean, abundant, and safe fusion power transforms the world's energy system.
