TSMC onshoring exposes helium risk
A Qatar LNG outage and resulting helium shortfall threaten EUV lithography runs at fabs like TSMC — analysts warn shortages could force 2–6 month slowdowns because helium has no easy substitute for EUV tools. That shortage is a direct supply‑chain fragility for AI chip production and onshoring plans. (x.com)
QatarEnergy declared force majeure at Ras Laffan on March 4, 2026, a shutdown analysts say has taken roughly one‑third of global helium production offline. (exiger.com)) Qatar supplied roughly 30–38% of the world’s marketable helium before the outage, and damage to LNG trains plus blocked exports through the Strait of Hormuz have constrained shipments. (agbi.com)) Helium spot prices have already more than doubled since the crisis began, while scenario analyses put potential spot spikes at 50%–200% and contract repricing at roughly 20%–40% for sustained outages. (gasprocessingnews.com)) EUV lithography systems rely on liquid‑helium cooling and ancillary helium for vacuum and leak detection; industry reporting cites per‑tool annual helium use measured in thousands of liters and no practical coolant substitute for the EUV light source. (tftc.io)) Taiwan’s Ministry of Economic Affairs says near‑term supply for March–April is covered, but third‑party analyses point to limited domestic buffers (reports cite Taiwan reserves measured in days rather than months) while South Korean fabs report several weeks to months of stock depending on contract status. (taiwannews.com.tw)) Suppliers and gas majors are already reallocating inventory across regions and tapping strategic stores (Air Liquide and other players have signalled inter‑region moves), and some analysts expect fabs to triage output toward higher‑margin AI and advanced nodes if supplies tighten. (gasworld.com))
