en.Wedoany.com Reported - On May 6, US fusion energy developer Type One Energy, UK-based Tokamak Energy, and US engineering and construction firm AECOM jointly established the UK Infinity Fusion Alliance, dedicated to developing the UK's first private sector-led fusion power plant project.
During King Charles III's visit to New York City, Warwick Matthews of Tokamak Energy, Chris Mowry of Type One Energy, and Troy Rudd of AECOM signed the consortium agreement. The alliance aims to develop a commercially viable fusion project that can be deployed using existing enabling technologies and attract private capital, aligning with the long-term goals of the UK government's recently announced fusion strategy.
The UK Infinity Fusion Alliance integrates the strengths of each party: Type One Energy's design for the 400 MW Infinity Two stellarator fusion power plant, AECOM's leading engineering and technical capabilities, and Tokamak Energy's high-temperature superconducting (HTS) magnet technology and manufacturing expertise in the UK. The alliance will leverage these strengths to develop the UK Infinity Two fusion power plant project, encompassing the broader UK fusion value chain, including construction, financing, offtake, and other supply chain partners.
The alliance plans to benefit from the UK government's substantial investments in magnetic confinement fusion technology, supply chain capabilities, regulation, and power plant siting through the STEP fusion program. Simultaneously, it will draw on synergies and experience from the first-of-a-kind Infinity Two project at the Tennessee Valley Authority's (TVA) Bull Run site in the US. TVA's Infinity Two project, supported by the US government's fusion program, is planned for commercial operation by 2034, providing a technical and planning foundation for the UK project.
Partners stated that the alliance will forge a private sector-led path to fusion commercialization, complementing the STEP fusion program. The UK Infinity Two project will scale up the UK fusion supply chain, accelerate the time-to-market for new energy, and strengthen the UK's industrial base.
It is reported that Type One Energy's Infinity Two is a stellarator fusion reactor, which differs from a tokamak fusion reactor. While a tokamak uses a uniform toroidal shape, a stellarator twists the toroidal shape into a figure-8 configuration to address potential issues encountered when a tokamak confines plasma.
Last September, TVA issued a letter of intent to Type One Energy to develop and build the first-generation 350 MW baseload power plant, Infinity Two, with construction potentially starting as early as 2028. In May 2025, Type One Energy completed the first formal design review for Infinity Two. TVA stated that final decisions and agreements regarding the financing and construction of Infinity Two, as well as power purchase agreements, are subject to TVA Board approval, regulatory review, and compliance with least-cost planning processes, among other conditions. In January this year, Type One Energy submitted a preliminary permit application for the Infinity Two plant, preparing for construction at the site of TVA's former Bull Run fossil fuel plant in Clinton, Tennessee.
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