Elon Musk has confirmed that talks with TSMC are underway regarding a proposed chip fabrication plant in Texas that Tesla refers to as a "Terafab." The confirmation came directly from Musk, ending months of speculation about whether the company intends to push into semiconductor manufacturing on US soil.

The acknowledgment is the first time Musk has publicly attached his name to specific negotiations with the Taiwanese foundry over a Texas site. Until now, Tesla has relied on external suppliers for the compute hardware behind its vehicles, energy products, and AI training infrastructure.

What did Musk actually confirm?

Musk stated that discussions with TSMC are taking place. He did not announce a signed agreement, a construction start date, or a committed investment figure. The term "Terafab" — a Tesla-internal designation the CEO has used before when describing hypothetical ultra-large chip plants — signals the scale of ambition: facilities large enough to serve demand at a level conventional fabs do not reach.

No site within Texas has been named in connection with the talks.

Why Texas?

Texas already hosts major Tesla operations, including Gigafactory Texas in Austin. Locating a fab in the state would place semiconductor production close to the automaker's existing manufacturing base.

For TSMC, a Texas engagement would extend its US footprint. The company is building fabs in Arizona and has faced pressure from Washington to expand American-made chip capacity.

What are the open questions?

Several material details remain unanswered:

• Whether the talks cover a jointly operated plant or a TSMC-built facility serving Tesla as anchor customer
• The process nodes the plant would run
• Any timeline for a final investment decision
• Whether US federal chip subsidies would factor into the project

What comes next?

Musk's confirmation moves the story from rumor to acknowledged negotiation, but it stops short of a commitment. Investors and supply-chain watchers will look for a formal announcement from TSMC, which typically confirms customer arrangements only when contracts are finalized.

Any Texas Terafab would face the standard hurdles of US fab construction: skilled labor availability, equipment lead times, and cost structures that TSMC has previously flagged as higher in the United States than in Taiwan.

For now, the confirmed fact is narrow but significant: Musk says Tesla and TSMC are talking, and Texas is on the table.