TSMC’s push into the United States has been anything but easy since it began ramping up operations in 2021. After four challenging years marked by heavy spending and persistent operating losses, the company’s Arizona operation has now reached a major milestone: profitability.
For TSMC, building chip manufacturing capacity outside Taiwan is no longer just a nice-to-have expansion plan. It’s increasingly viewed as essential insurance against geopolitical risk, especially as global customers want more resilient supply options. The US semiconductor push also gained momentum with government support through the CHIPS Act, which helped accelerate investment plans tied to Arizona.
That support hasn’t made the transition cheap or simple. Over the past four years, TSMC’s Arizona operations posted operating losses totaling about $1.25 billion. But in the company’s latest financial report, the Arizona unit recorded profit-sharing of NT$16.14 billion, effectively flipping the story from sustained losses to a profitable outcome.
A big reason behind the turnaround appears to be production finally scaling to meaningful volume. In 2024, TSMC increased Arizona output for 4nm manufacturing, enabling it to fulfill orders tied to major high-performance chip programs, including AMD’s Ryzen processors and NVIDIA’s Blackwell lineup, along with other customers. One of the key facilities, commonly referred to as Fab 21, is reported to be producing roughly 10,000 to 30,000 wafers per month—an important step for a newer manufacturing site still building momentum.
TSMC isn’t stopping at 4nm. The Arizona “GigaFab” strategy is designed to expand in phases, and the company is expected to move toward 3nm production by early 2027. Longer term, TSMC’s Arizona roadmap also includes multiple fabrication plants, advanced packaging centers, and research and development facilities—part of a broader ambition to bring leading-edge manufacturing to the US, with plans that could eventually target extremely advanced nodes such as A16 (1.6nm) in the coming years.
Even with this progress, Arizona’s output still doesn’t match the massive scale TSMC achieves in Taiwan, where the company’s ecosystem, supplier network, and manufacturing experience are far more mature. That gap highlights one of the biggest realities of expanding chipmaking into the US: it’s expensive. Higher labor costs, higher equipment-related costs, and a less developed domestic semiconductor supply chain all make profitability harder to achieve and sustain.
Still, TSMC’s continued investment signals a long-term strategy rather than a short-term win. As more chip designers and other customers prioritize supply chain security and geographic diversification, TSMC is positioning its US footprint as a stable, scalable alternative that can help reduce risk in the event of disruptions in Taiwan.
The broader trend isn’t limited to the US, either. TSMC’s facilities in Japan (Kumamoto) and its project in Dresden, Germany, have also reported operating losses—another reminder that building leading-edge chip production outside Taiwan is difficult, costly, and slow. But with Arizona now reporting profitability, TSMC has shown that the long game can start to pay off once production ramps and major customer demand begins flowing through the new fabs.
