TSMC Announces Additional $100 Billion US Investment
Summary
Taiwan Semiconductor Manufacturing Company announced an additional $100 billion US investment at a White House ceremony with President Trump, raising its total US commitment to $165 billion and cementing Arizona as the center of an offshore advanced semiconductor manufacturing cluster.
What Happened
TSMC Chairman C.C. Wei and CEO Che-Chia Wei joined President Trump in the Oval Office on March 3, 2025, to announce a commitment that dwarfed any previous single foreign direct investment in US history. The additional $100 billion — on top of the $65 billion already committed under the CHIPS and Science Act — would fund three additional advanced fabrication plants, two advanced packaging facilities, and an R&D center, all in Arizona's Phoenix metro area.
The announcement specified that the third fab would manufacture chips at TSMC's most advanced nodes, including 2nm and the next-generation A16 process. Groundbreaking for that facility occurred in April 2025. Combined with the first fab (already producing 4nm chips as of late 2024) and the second fab under construction, the investment would give the US a genuine advanced logic manufacturing capability for the first time in decades. The total package would eventually employ tens of thousands of workers and create a local semiconductor supply chain that had not existed in the US since the 1990s.
Why It Matters
The TSMC Arizona expansion was the most consequential single act of semiconductor reshoring in the post-CHIPS Act era. It reflected both TSMC's calculation that US-based capacity was commercially viable — and perhaps necessary given Taiwan's geopolitical exposure — and the Trump administration's willingness to use executive attention as a deal-closing mechanism. For the chip export control regime, the investment represented the supply-side logic underpinning US strategy: restricting adversary access to advanced chips while simultaneously building domestic capacity. Whether Arizona could match Taiwan's manufacturing productivity, cost structure, and talent depth remained the central unanswered question.