TSMC commits another $100 billion to Arizona for at least four more 2nm fabs — 2026 capex could hit $64 billion following another record quarterly earnings

TSMC will invest an additional $100 billion in the U.S. to build at least four more chipmaking plants and advanced packaging facilities in Arizona, CEO C.C. Wei announced at the company's second-quarter earnings conference in Taipei on Thursday. The new fabs will produce chips at the 2nm node and below, and the commitment lifts TSMC's total announced U.S. investment to $265 billion, confirming plans that appeared as a market rumor in February . TSMC didn’t attach a timeline, saying the pace of construction will be set by market demand. Go deeper with TH Premium: Chipmaking (Image credit: tsmc) A deeper look at the chipmaking supply chain TSMC's $165 billion U.S. investments examined China reportedly reverse-engineers EUV tool China bets on DUV, as EUV blockade reshapes chipmaking Wei said the money will fund several more logic wafer fabs "for 2-nanometer and below technologies" alongside advanced packaging plants to serve multi-year demand from TSMC's leading U.S. customers. According to a Bloomberg report citing a U.S. official, the expansion takes TSMC's planned U.S. footprint to 10 fabs and two advanced packaging facilities. A leading-edge 2nm-class fab module with a capacity of roughly 20,000 wafer starts per month costs roughly $25 billion to $35 billion to build and equip, so $100 billion funds approximately four modules, matching the "at least four" plants Wei referenced. It also puts the Arizona site around the halfway mark of the 12-fab, four-packaging-facility endgame reported in April as part of the broader U.S.-Taiwan agreement. The packaging component is arguably the more consequential half of the plan, as CoWoS capacity , not wafer output, remains the binding constraint on AI accelerator production, and on-site packaging in Arizona would give TSMC's U.S. customers a complete domestic supply chain from wafer start to packaged accelerator for the first time. The announcement comes alongside another record quarter for TSMC, which posted net income of NT$7