TSMC invests another $100 billion to expand production in the US: The launch of a historic restructuring of the semiconductor supply chain

What Happened

In February 2025, TSMC announced an additional $100 billion investment in Arizona, USA, to expand chip manufacturing capacity. According to informed sources, this investment may support the construction of four new wafer fabs, bringing TSMC's total investment in the US to over $130 billion. This is TSMC's largest commitment to US manufacturing since it announced a $12 billion investment in its first 5nm fab in 2020.

Why It Matters

This investment marks a historic shift in global semiconductor manufacturing focus from East Asia to North America. TSMC is currently the world's largest advanced process foundry, controlling over 90% of 5nm and below capacity. Deploying its most advanced manufacturing technology to the US will directly impact supply chain security and geopolitical balance in key areas such as AI chips, high-end GPUs, and CPUs.

Technology Roadmap and Supply Chain Analysis

Technology Impact

New fabs are expected to utilize TSMC's N3 (3nm) and N2 (2nm) process technologies, and may introduce the more advanced A16 (1.6nm) node. Technical barriers lie in the deployment of high-NA EUV lithography machines (ASML's High-NA EUV) and the localization of advanced packaging (such as CoWoS, 3D SoIC). Currently, the Arizona fab has started mass production of N4 process, but next-generation nodes require extremely high precision in equipment and materials.

Supply Chain Impact

• Upstream Equipment: ASML, Applied Materials, Lam Research, KLA, etc., will directly benefit from equipment orders for the new fabs. High-NA EUV delivery cycles can be up to 18 months, potentially creating supply bottlenecks.
• Materials: Silicon wafers (Shin-Etsu, SUMCO), photoresists (JSR, TOK), specialty gases (Linde, Air Products) need to establish localized production in the US. Currently, US self-sufficiency in semiconductor materials is below 30%, and new fabs will force a restructuring of the materials supply chain.
• Packaging: TSMC has already planned an advanced packaging facility in Arizona, but large-scale packaging capacity still relies on Taiwan. In the future, this may drive Amkor, ASE, and others to expand capacity in the US.

Competitive Landscape

• Intel Foundry Services (IFS): As the largest domestic advanced process player in the US, Intel is facing direct competition from TSMC.- Intel Foundry Services (IFS): As the largest advanced process player in the United States, Intel faces direct competition from TSMC. Intel's planned mega-fab in Ohio has been delayed, and TSMC's rapid expansion will squeeze Intel's customer space.
• Samsung Foundry: Samsung's plant in Taylor, Texas is still under construction, but its process yields are lower than TSMC's. The $100 billion investment gap may further marginalize Samsung in leading-edge process technologies.
• AI Chip Customers: NVIDIA, AMD, Apple, Google (TPU), etc., will benefit from manufacturing services closer to design centers, reducing supply chain risks. However, at the same time, TSMC's bargaining power increases, and customers may face higher foundry prices.- Upstream: Equipment suppliers have strong orders but need to navigate U.S. export controls targeting China (such as the EUV ban on SMIC). Material suppliers must build factories in the U.S., increasing costs by 10-15%, but can secure long-term contracts.
• Midstream: TSMC faces talent shortages—the Arizona plant has already encountered cultural integration issues, requiring experienced engineers to be sent from Taiwan. Intel may compete for talent through localized hiring.
• Downstream: AI chip design companies can shorten supply chain distances and accelerate product iteration. However, foundry concentration increases, reducing customers' bargaining power.

Conclusion

TSMC's $100 billion investment is not just an expansion of one plant but a milestone in the shift of the global semiconductor supply chain's center of gravity. The U.S. will initially establish an advanced manufacturing ecosystem, but high costs and talent gaps cannot be ignored. For the chip industry, this means higher capital thresholds, longer plant construction cycles (over five years), and more complex multinational collaboration. Investors should focus on the deterministic opportunities in equipment and materials while being cautious of the short-term pressure from TSMC's declining gross margin.

*Note: This article is based on public reports and industry trend analysis and does not constitute investment advice.*