By: ICN Bureau
Last updated : November 05, 2026 2:59 pm
The Xe-100 is an advanced, high-temperature helium-cooled reactor designed by X-energy to deliver reliable, carbon-free electricity
In a milestone for advanced nuclear technology, Alleima has secured its first order to manufacture steam generator tubes for a next-generation, helium-cooled small modular reactor (SMR). Procured by Doosan Enerbility, the specialized tubing components are bound for X-energy's Xe-100 advanced reactor deployment in the United States.
The Xe-100 is an advanced, high-temperature helium-cooled reactor designed by X-energy to deliver reliable, carbon-free electricity and high-temperature industrial steam. Driven by growing demands for energy security, electrification, and decarbonisation, Alleima, Doosan, and X-energy are collaborating under a strategic framework to deploy this next-generation nuclear technology.
“Moving from today's reactor technologies to the next generation of nuclear power requires trusted materials partners. We are proud to support Doosan Enerbility with advanced tubing solutions for X-energy's Xe-100 program," says Carl von Schantz, President of Tube Division, Alleima.
“Behind every component in the Xe-100 is a team of experts who know what it takes to get it right, both at X-energy and across our growing supplier base,” says Jesse Walker, Chief Supply Chain Officer at X-energy. “Alleima and Doosan are among the world’s leading producers of these components, and we look forward to continuing to learn from their expertise as we drive our technology to full commercial scale.”
Alleima will manufacture and supply steam generator tubing to Doosan Enerbility for use in X-energy’s first Xe-100 deployment in the United States, a proposed four-unit plant at an industrial facility in Texas supported by the U.S. Department of Energy’s Advanced Reactor Demonstration Program.
This order reinforces Alleima's expansion into nuclear energy and advanced tube manufacturing. In June 2026, Alleima reached a major milestone by opening its Tube Mill 2026 facility in Sandviken, Sweden, to supply both traditional nuclear plants and small modular reactors (SMRs).