Tokamak Energy

Tokamak Energy is a private company accelerating the development of fusion power.

Tokamak Energy has built several tokamaks with the final aim of reaching commercial fusion power generation.

Tokamak Energy was founded in 2009 by David Kingham, Mikhail Gryaznevich. The company is headquartered in London, United Kingdom. Tokamak Energy is a spin-off of the Culham Centre for Fusion Energy based in Oxfordshire.

Tokamak Energy's unique approach is centred on rapid innovation using the latest materials and technology – but building on decades of scientific research and experience. This strategy gives us – and the world – a faster way to fusion.

Tokamak Energy is developing the cutting-edge technology that’s required to achieve commercially-viable fusion energy is a massive task. It requires scientific thinking and knowledge, specialist expertise and serious determination.


Tokamak Energy claims its current test generator design, the ST40, should be able to reach 100 million degrees centigrade using advanced magnets to create plasma where the fusion reaction occurs. So far, its maximum is 15 million degrees.


Tokamak Energy is backed by Dr Hans-Peter Wild, Legal & General, Winton Ventures and others. The company raised £67M in a latest financing on Jan 20, 2020. This new round brings Tokamak's total funding to £77M to date.



  • Year founded: 2009
  • Funding Info: £77M over 2 Rounds (Latest Funding Type: Venture- Series Unknown)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: NA
  • City/Town: London
  • State: London
  • Country: United Kingdom
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