TSMC Arizona Profit Soars 663% in H1 2026 - US Chips Turn Profitable
TSMC Arizona is the advanced chip manufacturing hub that the world's largest foundry (contract chipmaker) built in the Phoenix desert. If you follow chip stocks or the AI supply chain, its first-half report deserves your attention: the numbers just broke the oldest rule in the industry - that chips made in America lose money.
Why Everyone Expected the Arizona Fab to Lose Money
The skepticism started at the top. Founder Morris Chang repeatedly warned that US production costs run about 50% higher than Taiwan's, and early losses seemed to prove him right. TSMC doubled down anyway, adding another $100 billion last month to bring its total Arizona commitment to $265 billion. Once 4nm (ultra-fine circuitry) mass production began in late 2024, AI orders from Nvidia and other tech giants poured in.
TSMC Arizona H1 2026 Results: Profit Up 663%
According to the interim financial report released in August 2026, the Arizona unit earned NT$36.1 billion (about $1.1 billion) in first-half profit, up 662.8% from a year earlier - a 7.6x jump. Four overseas manufacturing units earned NT$58.5 billion combined, with over 60% coming from Arizona. Japan's once loss-making Kumamoto fab flipped to a roughly $49 million profit, and the Nanjing unit stayed in the black. Arizona is now TSMC's most profitable overseas operation.
What It Means for the US Chip Supply Chain
The impact reaches beyond one company. US chipmaking now has hard proof it can turn a profit, which moves the reshoring (bringing manufacturing back home) debate from politics to economics. In the tariff era, local production becomes a revenue model rather than an insurance policy. And the rivals building on US soil - Samsung's Texas fab, Intel's foundry push - now face a different calculus.
The Catch: Depreciation Is the New Brake
There is a shadow in the numbers. Q2 profit came in at NT$17.3 billion - up 307.8% year over year, but down 8.2% from Q1. Depreciation (spreading massive equipment costs over several years) swelled as new construction continued. With the second Arizona fab targeting 3nm production in the second half of 2027, that expansion cost will keep recurring.
Key Takeaways
① Profit up 663% - TSMC Arizona earned NT$36.1B (about $1.1B) in H1 2026, a 7.6x jump in one year.
② Overseas fabs in the black - four units earned NT$58.5B combined; Japan's Kumamoto flipped to profit.
③ Supply chain shift - proven US profitability changes the math for Samsung's Texas fab and Intel.
A fab dismissed as 50% too expensive now delivers over 60% of TSMC's overseas profit, eighteen months after mass production began. When the story of chip reshoring is written, this report will be the reference point.
👉 TSMC July Revenue Jumps 44.7% to Record $14.5B, Answering Bubble Fears - also worth a read.
📌 Sources: TrendForce, TaiwanPlus, Quartz (2026)
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