Starlight Engine
Japan · Climate tech · Industrial tech
Starlight Engine develops fusion power plants and leads Japan’s FAST demonstration project.
Product
Established in 2025 as a Kyoto Fusioneering group company, Starlight Engine coordinates the engineering needed to turn fusion research into an operating power plant. Its FAST project targets a demonstration of electricity generation during the 2030s.
FAST uses a tokamak to confine deuterium-tritium plasma. The project brings the fusion system together with energy conversion and fuel handling, while Starlight Engine develops the supporting design, safety, maintenance and supply-chain capabilities needed for a plant. It works with universities, researchers and industrial partners as engineering design and construction preparation progress.
Funding history
2 rounds · 1 with disclosed amounts| Announced | Round | Amount | Investors |
|---|---|---|---|
| Strategic equity investment | Undisclosed | TAKANAWA GATEWAY地球益投資事業有限責任組合 — Participant | |
| Series A | $37.4M | AV — Role not disclosedBRICKS FUND TOKYO — Role not disclosedDaiwa Corporate Investment Co — Role not disclosedFujikura — Role not disclosedFukoku Mutual Life Insurance Company — Role not disclosedFurukawa Electric Co — Role not disclosedGlobal Brain — Role not disclosedK4V Vital Platform Fund I Investment Limited Partnership — Role not disclosedKDDI Open Innovation Fund V — Role not disclosedKeio Innovation Initiative — Role not disclosedKyoto University Innovation Capital Co — Role not disclosedMitsui Fudosan Co — Role not disclosedMizuho Bank — Role not disclosedMUFG Bank — Role not disclosedSony Financial Ventures & Global Brain Frontier — Role not disclosedTOKYU CONSTRUCTION CO — Role not disclosed |