The AI-driven semiconductor manufacturing investment wave is shifting from expectation to execution. Global wafer fab equipment spending is about to enter a super expansion cycle, and the Americas market will be one of the most prominent regions in this round of growth.
According to the latest report from the International Semiconductor Industry Association (SEMI), global 300mm wafer fab equipment spending is expected to jump from $113 billion in 2025 to approximately $149 billion in 2026, a year-on-year increase of 31%, and reach $227 billion by 2029, with average annual growth maintaining double-digit levels between 2026 and 2029. The Americas region is growing even faster 鈥?driven by continued capacity expansion from major players including Intel, TSMC, Samsung, and Micron, 300mm wafer fab equipment spending in the Americas is projected to rise from $18.1 billion in 2026 to $40.6 billion in 2029, more than doubling. This data was announced at SEMICON West 2026, marking the official entry of the AI capital expenditure race into the capacity landing and order fulfillment phase.
This expansion is not limited to equipment procurement. SEMI data shows that global fab construction spending is expected to rise from nearly $48 billion in 2026 to $63 billion in 2027 and $68 billion in 2028; meanwhile, 20 new 300mm wafer fabs or production lines will break ground in 2026, with 18 more added in 2027, of which the United States will account for 3 and 4 respectively. This means chipmakers are converting AI demand into physical assets, and equipment suppliers, materials providers, and engineering contractors will benefit directly.
Equipment spending enters a sustained high-growth trajectory
Clark Tseng, Senior Director at SEMI, emphasized at SEMICON West 2026 that this round of growth is not a short-term AI spending pulse, but stems from sustained investment in advanced logic, advanced memory, and other 300mm wafer technologies, with equipment spending gradually converting into actual manufacturing capacity expansion.
From the perspective of capacity startup pace, the number of facilities expected to begin operations or produce their first wafers will increase from 13 in 2026 to 23 in 2027, a rise of nearly 77%. This data indicates that previously committed capital expenditure is accelerating into quantifiable output capacity, placing higher demands on equipment delivery cycles and supply chain response speeds.
The United States becomes the core of this round of expansion
The United States is the geographic center of this capacity expansion. According to TechNews, Joe Stockunas, President of SEMI Americas, said at SEMICON West that total US semiconductor-related investment has exceeded $800 billion, of which more than $200 billion is concentrated in Phoenix; if other local projects are included, the city's investment scale could approach $350 billion.
Among the major participants, TSMC's continued expansion is one of the key engines driving the region's semiconductor industry growth; Intel's total investment in Arizona, New Mexico, Oregon, and Ohio exceeds $100 billion; Micron plans to invest more than $250 billion cumulatively by 2035. Samsung is also advancing advanced logic and foundry capacity expansion, while Texas Instruments is focused on boosting analog and embedded processor capacity.
Intel and Micron push for supply chain localization in the US
As US domestic manufacturing investment accelerates, major chipmakers are simultaneously promoting supply chain localization. According to The Elec, Intel and Micron publicly called on Taiwanese semiconductor materials, components, and equipment suppliers to establish operations in the United States at the SEMICON West 2026 supply chain forum, to support their domestic capacity expansion needs.
Taiwanese suppliers have already begun to respond. According to Mirror Daily, Topco Scientific participated in SEMICON West 2026 with 21 suppliers, has established service locations in Phoenix, Arizona and Dallas, Texas, and is evaluating a new location in Boise, Idaho, to support Micron's expanding memory manufacturing operations there.
Korean suppliers simultaneously expand into the US market
Korean semiconductor materials and equipment suppliers are also accelerating their US expansion. According to The Elec, ENF Technology has begun supplying Samsung's Taylor plant through its Texas operating facility; Dongjin Semichem plans to achieve mass production of semiconductor chemicals in Texas by the end of 2026. In addition, companies such as Hanmi Semiconductor are using SEMICON West to showcase their advanced packaging equipment and seek to expand their US customer base.
These developments indicate that a localized supply chain ecosystem centered on US wafer fab expansion is rapidly taking shape. Suppliers in materials, chemicals, and equipment segments all face substantive business growth opportunities, and the competitive landscape will be reshaped accordingly.
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