TOKAMAK ENERGY

Spun out of the Culham Centre for Fusion Energy — the UK's primary government fusion lab — in 2009. The founders believed the spherical tokamak geometry, a more compact and tightly wound plasma shape, was a faster and cheaper path to commercial fusion than the large conventional designs being pursued by government programs globally.

They started with a small team in Oxfordshire, deliberately choosing a commercial model over government-funded timelines. Their thesis was simple: smaller machine, faster iteration, cheaper path to commercial power.

Currently R&D funded by private investors and government grants. Near-term revenue from licensing high-temperature superconducting magnet technology to aerospace, medical, and energy customers.

Long-term revenue model: selling compact fusion power plants to utilities and industrial energy buyers. The HTS magnet platform has standalone commercial value independent of whether fusion succeeds on schedule.

ST40 spherical tokamak research reactor, high-temperature superconducting (HTS) magnet technology platform for commercial licensing, and the planned ST80-HTS commercial demonstration plant. The HTS magnet program is the technological core — it represents both a fusion enabler and a standalone commercial product for other industries.

Iterating through progressively powerful reactor designs — ST20 proved the spherical concept, ST40 hit the 100 million degree milestone, ST80-HTS will demonstrate the full HTS magnet system needed for commercial output. Each machine generates data, IP, and investor confidence.

Parallel strategy of building industrial partnerships with companies like Daikin, Anglo American, and Samsung who are simultaneously investors and future customers.

The high-temperature superconducting magnet problem. HTS magnets are the critical enabling technology for compact fusion — without them the reactor would need to be enormous.

Manufacturing HTS magnets that are reliable, durable, and cost-effective at the field strengths needed for plasma confinement is an unsolved engineering challenge. Tokamak Energy is competing directly with Commonwealth Fusion Systems and others to crack it first.

Legal & General Capital, Equinor Ventures, Anglo American, Daikin Industries, Samsung Venture Investment Corporation, Oxford Sciences Innovation, British Patient Capital