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Major Japanese industrial players join Helical Fusion as construction of Helix HARUKA advances through a public-private partnership spanning government, national research infrastructure, and Japan’s manufacturing sector Helical Fusion Co., Ltd., a fusion energy company developing a Helical Stellarator with the goal of achieving commercially viable fusion power in the 2030s, today announced the completion of a JPY 3.23 billion (approximately USD 20.6 million) Series B second c

Milestone-based government program supports multiple fusion approaches toward power demonstration and commercialization Helical Fusion Co., Ltd., a fusion energy company developing a Helical Stellarator toward commercially viable fusion power, has been named a final candidate for Japan’s Ministry of Economy, Trade and Industry (METI) program supporting the demonstration of fusion power generation. The program is designed to accelerate fusion power demonstration in the 2030s u

Helical Fusion Co., Ltd. has launched a joint research initiative with the Takahashi & Karikawa Laboratory at the Graduate School of Engineering, Tohoku University, beginning in August 2026. The research will explore new approaches to communication and dialogue for the social implementation of fusion energy. The Takahashi & Karikawa Laboratory studies the safety of large-scale, complex socio-technical systems, with expertise in the social acceptance of advanced technologies,

Results first announced in 2025 have now been formally published in a peer-reviewed international journal, marking another engineering milestone toward commercially viable fusion power. Key Points Validation results for Helical Fusion's proprietary high-temperature superconducting (HTS) conductor UROCOIC, first announced in 2025, have now been published in the peer-reviewed Journal of Physics: Conference Series (IOP Publishing). The paper demonstrates stable HTS magnet perfor

A long-established Japanese general contractor will contribute construction expertise to advance Fusion Pilot Plant development toward commercially viable fusion power Helical Fusion Co., Ltd. (“Helical Fusion”), a Japan-based fusion energy startup developing fusion power plants, and HAZAMA ANDO CORPORATION (“HAZAMA ANDO”), a long-established Japanese general contractor, today announced that HAZAMA ANDO has become an Official Partner in the Helix Program, Helical Fusion’s com

Selected as the only fusion energy company on Cleantech Group’s annual list of leading private cleantech companies in the Asia-Pacific region Tokyo, Japan — Helical Fusion Co., Ltd. (“Helical Fusion”; Headquarters: Chuo-ku, Tokyo; CEO: Takaya Taguchi), a fusion energy company developing a Helical Stellarator power plant based on Japan’s long-standing fusion research foundation, today announced that it has been selected for Cleantech Group’s 2026 APAC Cleantech 25. The APAC Cl

Multiple long-established Japanese companies join as inaugural partners in a shared push to build the fusion energy industry; Helical Fusion also completed the first close of its Series B round Helical Fusion’s Integrated Demonstration Device, “Helix HARUKA,” currently under construction (photographed at the company’s dedicated workspace within the National Institute for Fusion Science in Gifu, Japan) Helical Fusion Co., Ltd., a fusion energy company developing a Helical stel

Up to JPY 1 billion in support over three years to accelerate development of a new blanket system, a key component for fusion power, in collaboration with Japanese manufacturers and universities Tokyo, Japan — Helical Fusion Co., Ltd. (“Helical Fusion”; Headquarters: Chuo-ku, Tokyo; CEO: Takaya Taguchi), a company working to realize next-generation clean energy through fusion, today announced that it has been selected for the Tokyo Metropolitan Government’s FY2026 “Innovation

Coil case parts and a prototype breeding blanket component mark a tangible manufacturing milestone for the Helix Program Helical Fusion announced that it has completed part of the manufacturing of key components for its Integrated Demonstration Device, Helix HARUKA, in collaboration with RYOKI TOOL, a Japan-based manufacturer with deep expertise in large-scale precision metal machining for aerospace and other advanced industries. The completed deliverables include: all 10 coi

Advances one of Japan’s leading public-private partnership initiatives for fusion commercialization with NIFS and industrial partners Helical Fusion announced the construction site for Phase 1 of Helix HARUKA, its Integrated Demonstration Device. Phase 1—the magnet demonstration phase—will be built in a dedicated workspace for the joint research group formed by Helical Fusion and the National Institute for Fusion Science (NIFS), located on the NIFS campus. Helical Fusion has