Proxima signs two Japanese fusion supply memorandums

On Oct. 28, 2026, during the German chancellor's visit to Tokyo, Proxima Fusion signed a memorandum with Fujikura to assess a high-temperature superconducting tape supply in Lower Saxony and a memorandum with Kyoto Fusioneering to expand work on gyrotrons and the fuel cycle. Proxima says it expects about 20,000 kilometers of tape for its Alpha demonstrator and about 40,000 kilometers for each Stellaris plant. The notes describe feasibility work and continued cooperation, not a factory decision or a purchase order.

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