Four more chip plants promised as TSMC plans a further $100 billion to the US

Apple's main processor supplier TSMC has announced another increase in US investment, saying its new plants will include ones making its most advanced chips. TSMC plant in Arizona - image credit: Christopher Payne In May 2026, TSMC announced an additional $20 billion investment in its Arizona plants. Now according to the Financial Times , the company has revealed plans to build four more plants, costing a total of $100 billion.