In a move that promises to reshape America’s technological landscape, Taiwan Semiconductor Manufacturing Company (TSMC) has unveiled plans for a staggering $100 billion investment in U.S. chip manufacturing—a commitment that could dramatically alter global tech supply chains for decades to come.

The announcement, made alongside President Trump at a high-profile White House event, represents one of the most significant foreign investments in U.S. manufacturing history. TSMC CEO C.C. Wei revealed ambitious plans to construct three cutting-edge chip fabrication plants, two advanced packaging facilities, and a major research campus across Arizona.

This massive expansion builds upon TSMC’s already substantial $40 billion Arizona footprint, where construction is underway on facilities aiming to produce some of the world’s most advanced semiconductors—the invisible yet crucial components powering everything from smartphones to missile defense systems.

The investment comes as a direct response to America’s vulnerability in the global chip supply chain, dramatically exposed during pandemic shortages that crippled industries from automotive to consumer electronics. The 2022 CHIPS and Science Act, with its $52 billion in incentives, clearly helped seal the deal.

While the announcement represents an undeniable victory for domestic manufacturing advocates, experts caution that building semiconductor capacity is a marathon, not a sprint. These highly complex facilities require years to construct and specialized expertise that’s in critically short supply.

Nevertheless, the investment marks a pivotal moment in America’s semiconductor strategy, potentially reversing decades of manufacturing migration and strengthening national security in an era where computing power equals geopolitical power.