AMSC

American Superconductor Corporation

research_scan theme='fusion-energy'; value_chain_position='upstream-enabler'; US-listed HTS wire pure-play at the grid-grade HTS-wire layer (Amperium); the smaller-scale second US-adjacent exposure alongside SuperPower (Furukawa-owned). FIA 2026 supply chain report identifies power systems/components as the top current bottleneck at 48%; HTS wire sits inside this line item.