TSMC, the company that manufactures roughly 90% of the world’s most advanced semiconductors, has confirmed it hasn’t set a specific schedule for additional investment in the United States beyond its current commitments. For a company that’s already pledged $165 billion to American soil, the largest foreign direct investment in US history, the lack of a concrete timeline for what’s next is worth paying attention to.

What TSMC has actually committed to

Here’s what’s on the table. TSMC initially pledged $65 billion to build three fabrication plants in Arizona. Then in March 2025, the company announced an additional $100 billion earmarked for three more fabs, two advanced packaging facilities, and a research and development center.

That brings the total to up to six fabrication plants on US soil. The first Arizona fab is expected to begin high-volume production by late 2024 or early 2025. The second fab’s timeline has been pushed to the second half of 2027.

The US government is sweetening the deal through the CHIPS Act, providing TSMC with $6.6 billion in direct funding and $5 billion in loans to support the Arizona projects.

TSMC’s CFO Wendell Huang has noted that the company is accelerating investments in Arizona due to customer demand and has started purchasing additional land for future expansions.

Why the delays matter for crypto and AI

The labor shortages and construction challenges that have already pushed the second fab’s production date into late 2027 aren’t trivial. Building a semiconductor fabrication plant isn’t like opening a new warehouse. These are among the most complex manufacturing facilities ever constructed, requiring thousands of specialized workers and years of calibration before a single production-grade chip rolls off the line.

For crypto miners specifically, TSMC’s timeline matters because next-generation mining ASICs, the specialized chips that power Bitcoin mining rigs, depend on access to the most advanced process nodes. Companies like Bitmain and MicroBT rely on TSMC to fabricate their latest designs. Any bottleneck in TSMC’s capacity to produce cutting-edge chips means miners wait longer for more efficient hardware, which directly impacts mining economics and network hash rate growth.

TSMC manufactures Nvidia’s most advanced GPUs, the same chips driving the current AI boom. Demand for these processors has been so intense that Nvidia has faced persistent supply constraints.

The geopolitical chess match

TSMC’s US expansion is a direct response to growing concerns about Taiwan’s geopolitical vulnerability. The semiconductor industry’s extreme concentration in Taiwan, a self-governing island that China claims as its own, represents what some analysts have called the single greatest supply chain risk in the global economy.

TSMC executives have assured stakeholders that the US investments won’t negatively affect projects in Taiwan.

What investors should actually watch

For crypto-adjacent investors, the key metric to track isn’t TSMC’s announced dollar figures but its actual production milestones. When the first Arizona fab hits high-volume production, that’s a meaningful signal that domestic chip supply is diversifying. When the second fab comes online in late 2027, that’s when capacity could start meaningfully impacting the availability of next-gen mining and AI chips.

The $6.6 billion in CHIPS Act funding and $5 billion in loans also create a policy dependency worth monitoring. If US government support for semiconductor manufacturing shifts due to political changes or budget pressures, TSMC’s expansion calculus could change with it.