As innovation takes fusion technology to the next level, Tom Reynolds from the European Fusion Association discusses what Europe should prioritize to stay ahead in the fusion race.
Europe’s fusion sector is entering a new phase. Its stages are defined by industrial realization, not scientific possibility. As investment accelerates, supply chains emerge, and governments clarify their strategic priorities, the conversation around convergence is shifting from questions of whether the technology will work to questions of how it can be deployed at scale.
Innovation Platform spoke to Tom Reynolds, Head of Communications at the European Fusion Association, to discuss what Europe must do to take fusion from concept to reality.
Why is the current way we talk about fusion no longer good enough?
Fusion is still often discussed in terms of scientific progress and timelines: whether it will reach the grid in the 2030s. That framework is becoming increasingly outdated.
The more pressing question is not when fusion will happen, but how it will happen and where the industrial capacity for it will take root. The discussion is moving from scientific feasibility to industrial implementation.
What has changed in the development of nuclear fusion itself?
Nuclear fusion is moving from a publicly funded science to a more complex stage of industrial development. Private capital is increasing, national programs are moving toward deployment, and initial commercial agreements are beginning to emerge.
At the same time, the nature of the challenges is changing. Physics is no longer the only limiting factor. The execution is now.
Building a fusion industry requires regulatory clarity, a scalable supply chain, financing models suited to long timelines, and governance tailored to enable the industry. These factors determine how quickly Fusion moves from demonstration to deployment.
What are the real barriers to commercialization today?
The challenge is not a single constraint, but the interaction between multiple constraints.
Regulatory uncertainty can delay projects. Supply chains often lack the visibility needed to scale. Funding remains sensitive to long timelines and unproven delivery models. Governance structures still reflect the assumptions of the research era.
From an industry perspective, these risks are cumulative.
This is where the European Fusion Association (EFA) plays a practical and valuable role. Bring together developers, suppliers, and policymakers to highlight where delivery assumptions still aren’t aligned. Often, the question is not technical capabilities, but whether the conditions exist for companies to confidently deploy capital and expand their activities.
Why is there increasing scrutiny on fusion schedules and costs?
Increased oversight reflects changing expectations.
As convergence moves closer to commercialization, the focus shifts from technical possibilities to practical realization: how systems are built, how costs change, and how learning actually occurs.
Recent analyzes calling into question the trajectory of costs re-emphasize the need for discipline. Commercial feasibility depends not only on technological advances but also on whether reliable routes to implementation are established.
This is a sure sign that the industry is really starting to mature.
How is the global situation evolving?
It’s becoming much more structured.
The United States continues to attract the bulk of private investment, supported by a pro-commercialization policy environment. The UK has coordinated regulation, funding and delivery through national programmes. China is making large-scale investments with a focus on building industrial capacity.
Nuclear fusion is no longer just a scientific endeavor. It is becoming part of a broader global competition for industrial capacity and supply chains.
The regions that most effectively align policy, capital, and industry will shape the future of the sector.
What does this mean for Europe’s position?
Europe has many of the right ingredients, including a strong research base, an emerging private sector, and an experienced industrial supply chain.
However, these strengths are not yet fully aligned.
The challenge is coordination and execution. This means moving beyond a research-focused model to one that supports industrial development with fit-for-purpose regulation, a reliable project pipeline, and governance that reflects the realities of delivery.
In this context, EFA plays an important role as an industry interface, helping to ensure that policy design reflects the needs of both technology developers and supply chain companies.
What ultimately determines where fusion is developed and expanded?
Fusion will not be commercialized all at once, but through a series of projects.
The regions that provide the most consistent environment for these projects, combining regulatory clarity, industry alignment, and trusted paths to implementation, will ultimately shape the sector.
Of course, there is great potential for public-private partnerships to play a role in making fusion a reality, but only if they go beyond simply providing the funding and mitigating risks along the way.
For industry, the broader environment determines whether they can confidently make investment decisions.
Fusion will be developed somewhere. Europe has the industrial depth to play a leading role, but the crucial question is whether it can adjust its capabilities at the required pace.
This article will also be published in the quarterly magazine issue 26.
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