Giga Texas is getting bigger — significantly bigger. New filings with the Texas Department of Licensing and Regulation (TDLR) have surfaced details on two major construction projects underway at the Austin campus: a dedicated Optimus Factory and an Advanced Technology Chip Fabrication (ATCF) facility. The ATCF foundation alone is projected at roughly 490,000 square feet, signaling a serious long-term infrastructure commitment.
The TDLR filings, surfaced by construction tracker Joe Tegtmeyer, are permit-level documents — meaning these aren't rumors or renderings. They reflect active regulatory submissions tied to real groundwork. A 490,000-square-foot foundation for the chip fabrication building puts it in the same scale as a large vehicle assembly hall, underlining how seriously Tesla is treating in-house silicon as a core part of its manufacturing stack.
The pairing of an Optimus Factory with a dedicated chip fab on the same campus is notable. It suggests Tesla is moving toward tighter vertical integration at Austin — building the robots and the chips that run them under one roof, or at least within the same complex. How far along construction is on either structure, and when either facility could come online, isn't yet clear from the filings alone.
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Sources & reporting notes
The links below identify the material source records used for this report.
- @JoeTegtmeyer on X (2026-08-31T20:53:02.000Z) — Direct source
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