# TSMC commits additional $100 billion to Arizona fab expansion

TSMC announced an additional $100 billion investment in its Arizona facility, bringing total investment to $265 billion, to expand U.S. chipmaking capabilities for AI chip demand. The company is converting 5-nanometer capacity to 3-nanometer.

- Type: Investment
- Announced: 2026-11-06
- Where: Arizona, United States
- Value: $100.0B
- Status: announced
- Products: semiconductor chips, 3-nanometer chips, 4-nanometer chips, 2-nanometer chips
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [TSMC](https://endata.com/companies/15886.md)

## Sources

- [topmoonjoy.com](https://topmoonjoy.com/article/tsmc-accelerates-arizona-factory-buildout-for-ai-chip-demand), 2026-11-06: "TSMC is doubling down on its Arizona investment, committing an additional $100 billion to expand its U.S. chipmaking capabilities."
- [sasamata.com](https://sasamata.com/article/tsmc-accelerates-arizona-factory-buildout-for-ai-chip-demand), 2026-11-07: "TSMC is doubling down on its Arizona investment, committing an additional $100 billion to expand its U.S. chipmaking capabilities."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.