Tokamak Energy

Founded in 2009, Tokamak Energy is a private company headquartered in Milton Park, United Kingdom with approximately 201-500 employees specializing in Hydrogen.

Tokamak Energy is a commercial superconducting and fusion energy technology company founded in 2009 as a spin-out from the UK Atomic Energy Authority. The company is a world leader in two transformative technologies: the compact spherical tokamak and high-temperature superconducting magnets. Operating through three integrated divisions—Fusion, TE Magnetics, and Ridgway Machines—Tokamak Energy designs, builds and operates advanced fusion devices and HTS magnet systems. The company's flagship tokamak, ST40, is the world's highest-field spherical tokamak and achieved a record 100 million degree plasma ion temperature in 2022. Tokamak Energy has raised £335 million in investment, holds over 300 live patents, and operates subsidiaries in the United States (established 2019) and Japan (established 2024). The company is advancing commercial fusion through partnerships with government agencies including the US Department of Energy and UK government departments, and collaborations with leading research institutions and industrial partners globally.