Oxford Sigma has launched two new research projects, STUBBI and SHyELD, funded by UKAEA and other partners, to develop high-performance fusion shielding materials using tungsten and metal hydrides. The projects aim to create scalable prototypes and validate their performance under fusion conditions.
Oxford Sigma, in collaboration with STEP Fusion, Rockwood Cryogenics, and Atled Engineering, demonstrated a new quench protection concept for superconducting magnets at the University of Strathclyde, which is a key development for the UK's STEP fusion program aiming to deliver a prototype fusion powerplant by 2040.
Type One Energy and the Tennessee Valley Authority submitted an initial license application for Tennessee's first commercial fusion project at the Bull Run site, with the first phase scheduled for commissioning in 2029.
Tokamak Energy's ST40 device achieved new performance records in plasma current, stored energy, and fusion triple product in 2025, and is preparing for an upgrade in partnership with the U.S. Department of Energy and the UK Department for Energy Security and Net Zero.
Tokamak Energy received the Institute of Physics Business Innovation Award in 2025 for its development of high-temperature superconducting technology, which is important for commercial fusion energy and other applications.
A study by VTT Technical Research Centre of Finland shows that Finland, Denmark, Norway, and Sweden meet the technical requirements to host a fusion reactor, with Finland being the most prepared in regulatory terms, as Novatron Fusion Group plans to build a pilot fusion reactor in the Nordics during the 2030s.
EX-Fusion announced it raised 400 million yen in a Series A extension round, bringing its total funding to 6 billion yen, to support its research and development of laser nuclear fusion technology.
TVA and Type One Energy announced a Letter of Intent for the potential deployment of a 350-megawatt fusion power plant at TVA's former Bull Run Fossil site in Tennessee, using Type One Energy's stellarator fusion technology. The project aims to support reliable, on-demand, carbon-free power.
EX-Fusion successfully demonstrated continuous laser irradiation at a rate of 10 times per second on mock fuel, marking a significant milestone toward commercial laser fusion power plants.
HB11 Energy's micro-structured laser targets have been adopted by the PHELIX laser at the GSI Helmholtz Centre for Heavy Ion Research in Germany, marking its first customer for these targets used in laser fusion experiments.
The Tennessee Valley Authority (TVA) and Type One Energy signed initial contracts for Project Infinity, a fusion power plant development, to supply the Tennessee Valley with clean energy by the mid-2030s. TVA will assist in manufacturing and construction for the fusion machines at its facilities.
Helion has begun initial construction of Orion, the world's first fusion power plant, in Malaga, Washington, with the goal of delivering at least 50 MW of carbon-free electricity to Microsoft, marking a milestone after over a decade of development.
The company announced the operation of a high-power laser experimental facility at Kyoto Katsura in January 2025, aimed at developing laser fusion technology and industrial laser processing applications.
Ignition Computing announced the first stable release of IMAS-ParaView, a software tool that enables visualization of IMAS data in ParaView, which is available under the LGPL-3.0 license and can be installed from PyPI.
EX-Fusion announced it raised approximately 2.6 billion yen in a Series A funding round, including 2.3 billion yen in equity and 300 million yen in loans, bringing its total funding to 5.6 billion yen.
HB11 Energy has signed an $8.2 million agreement with the University of Adelaide to develop a high-efficiency laser for fusion energy applications, aiming to demonstrate over 10 percent wall-plug efficiency and establish a national laser fusion facility in Adelaide.
IMAS-Python 2.0.0 was released by Ignition Computing, becoming the main Python interface for the ITER IMAS infrastructure and available under the LGPL-3.0 license, facilitating data exchange for fusion research simulations.
EX-Fusion established a research facility at Kyoto University Kyotogakuen Venture Plaza to conduct applied research on laser control technology for laser fusion energy development.
Helion announced that it raised $425 million in a Series F funding round, which will be used to scale up manufacturing and accelerate the construction of its first fusion power plant in the U.S.
EX-Fusion announced the start of joint development with J-TEC Corporation to create next-generation high-performance reflective mirrors, leveraging their combined advanced technologies in precision processing, optics, and control.
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Oxford Sigma 
United Kingdom Atomic Energy Authority 
Atled Engineering 
University of Strathclyde, Glasgow 
Step Fusion 
Type One Energy 
Tokamak Energy 
Department for Energy Security and Net Zero 
United States Department of Energy 
Novatron Fusion Group 
VTT Technical Research Centre of Finland 
EX-Fusion 
HB11 
Microsoft 
Helion Energy 
Ignition Computing 
ITER Organization 
Nucor 
Lightspeed 
SoftBank Vision Fund 
Mithril Capital Management