NUVIA UK | ADVERTORIAL FEATURE
an energy system free from resource constraints, where nations are no longer limited by fossil reserves and global demand can be met sustainably. While tritium is not naturally abundant and is primarily produced as a byproduct of the fission industry, future fusion systems are designed to breed it on-site, closing the fuel cycle. Fusion is one of the only technologies with the potential
to deliver clean, high density, always on baseload power at the scale required to fully decarbonise heavy industry. Institutions including the World Economic Forum now highlight fusion as a driver of global competitiveness and energy security, noting that several forecasts point to the potential for grid ready fusion within the next one or two decades. STEP places the UK at the forefront of this movement, with the programme itself targeting proof of concept by 2040. The most profound change, however, is conceptual. As
Lexi Rizzo observed, we are moving from an era of “fusion is 30 years away” to one of “fusion is here.” STEP is the tangible proof of that shift — a prototype power plant under construction, not a diagram in a textbook.
Rebuilding Britain’s Industrial Base The UK has lost much of its heavy industrial and advanced manufacturing capability over the past 30 years. Fusion offers a route to rebuild it — rapidly and at scale. A fusion power plant requires an array of cutting edge technologies, including high temperature superconducting magnets, novel materials, advanced robotics, cryogenic systems, precision fabrication at unprecedented tolerances, tritium breeding systems and high power electronics. Factories for these components must be built in
Britain now, not later. That immediate need will stimulate thousands of jobs, attract global suppliers and re establish the UK as a hub for high value manufacturing. Fusion will also enhance capability across adjacent
sectors, including AI and data centres that depend on reliable, decarbonised baseload power, as well as space technology, defence, robotics, automation, clean hydrogen production and electromobility infrastructure. The STEP supply chain will effectively become a national innovation engine, exporting goods, services and intellectual property into a global fusion market expected to grow into the hundreds of billions.
Energy Sovereignty Through Technological Leadership Fusion offers the UK an opportunity that no other energy technology currently provides: the chance to leapfrog existing fission strategies and move directly toward a sovereign, inexhaustible energy source. This does not mean abandoning a diverse energy mix. The UK must maintain a blend of renewables, fission reactors and next generation systems. But fusion adds something unique: safe, compact reactors that can be built almost anywhere, with no long lived waste and no risk of meltdown. Fusion plants will also benefit from a far simpler regulatory
footprint than fission. While the R&D behind fusion is incredibly complex, the eventual facilities will be relatively straightforward to build, operate and connect to the grid. In time, we will see different types of fusion plants emerge
— large baseload facilities powering cities and industry, and smaller, flexible reactors capable of balancing grids dominated by intermittent renewables.
Tom Jones, CEO, NUVIA UK
A Legacy for Future Generations Fusion is not simply a technological mission; it is a moral one. Kjetil Skaugset challenged the world to ask: “Where were you when you first heard about fusion energy, and how did you help make it happen?” I had the privilege to sign the ITER Construction Management Contract in 2016 with my colleague and one of the true godfathers of fusion, Bernard Bigot, who sadly passed away in 2022. His passion for making fusion a reality was infectious, and I caught the bug. STEP now gives the UK a chance to answer that question with pride. Delivering STEP is about more than securing energy; it is about leaving behind a stronger nation — with advanced engineering jobs, thriving regional economies, world leading manufacturing capability and clean, sovereign power for future generations. This is the type of project that defines eras.
From Vision to Reality: The Role of the ILIOS Consortium And now, with the ILIOS consortium appointed to lead the architecture, building design, construction and commissioning of this pioneering prototype power plant, decades of scientific exploration are finally converging into real world delivery. It marks a moment of genuine pride — a transition from long term ambition to national transformation. ILIOS brings the right blend of experience, capability and purpose. From the outset, it was clear that the consortium shared a single vision: to deliver not just a power plant, but a strategic national asset that strengthens British industry and accelerates the arrival of a new fusion era. By uniting our expertise, we are ensuring that STEP is not only built to the highest technical standards, but also positioned to anchor the UK’s industrial future for decades to come. This is the promise of ILIOS — transforming vision into delivery and turning the future of fusion into a reality already taking shape. ■
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