Furukawa Electric, Japan, has signed an agreement with Tokamak Energy to supply specialist high temperature superconducting (HTS) wire for its new advanced prototype fusion device, ST80-HTS.
Furukawa Electric Co., LtdTokyo, Japan and SuperPower Inc, New York, USA of Furukawa Electric Group, are expected to deliver more than several hundred kilometers of wire to the Oxford-based company for the next phase of construction. ST80-HTS will be the world’s first high field spherical tokamak using HTS magnets at scale and will utilize HTS wire developed and supplied by Furukawa Electric Group. This is a key stage in the path to Tokamak Energy’s fusion pilot plant which will demonstrate the capability to deliver clean electricity into the grid in the early 2030s, producing up to 200 MW of net electrical power.
HTS magnets are an essential enabler for the low cost, commercial operation and global deployment of spherical tokamak devices. They are essential for confining the fuel, which reaches temperatures above 100 million degrees Celsius. Tokamak Energy and Furukawa Electric Group are respectively leaders in the fields of HTS magnet design and superconducting wire development.
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