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AI & Robotics Infrastructure

$16.8B Terafab Breaks Ground: The $119B Robot Economy Begins

September 22, 2026 · AdValorem Research

One number this morning: $16.8 billion committed before a single shovel hits the ground in Grimes County, Texas. On December 1, 2026, Tesla and SpaceX begin construction of Terafab, a 100 million square foot joint venture with Intel that Musk is calling the largest chip manufacturing facility ever built. That's not a data center. It's not a battery plant. It's the physical backbone of the robot economy.

Position before you predict.

The plant nobody has ever attempted

Terafab sits near Gibbons Creek Reservoir, with construction running from December 2026 to the end of 2028. The plan: more than 3,000 jobs, AI chips purpose-built for Optimus robots and Cybercabs, and — this is the part that reframes the whole story — silicon destined for SpaceX space-based data centers. The $16.8B is phase one. Across all phases, potential total commitment reaches $119 billion.

Read that together with EP39: SpaceX's $1.1B per month AI compute deal. Terafab is how compute becomes a vertical business, from sand to orbit. The chips that train, run, and power the fleet are manufactured by the fleet's own owner, in a facility no foundry has scaled to. When a customer this large signs for the output, the supply chain around it — lithography, packaging, cooling, power delivery — gets pulled forward into the open.

Robots in homes you've never seen

The same week, Figure's 03 completed tasks in 30 Bay Area homes it had never been in before. 420 attempts, zero pre-collected footage: a 56% success rate. Untrained control on identical tasks? 9%. That gap is the entire moat, and it's closing fast, because the “Index” dataset that powers it adds 35 minutes of footage every second — roughly 5.7 years of human activity, every single day. Figure's $3.5B compute commitment through Nscale is what turns that data into a machine that keeps compounding.

The week's supporting signals point the same direction. Boston Dynamics opened an Atlas training center inside Hyundai Metaplant America in Savannah, Georgia, putting robot R&D inside a working car factory. Unitree put its 22-joint Dex5-S dexterous hand on sale for $6,500 — a component that was lab-exclusive last year, now a line item on a price list. The robotics supply chain is assembling itself in public, and every component that gets cheaper and more available is a line item that shrinks for Optimus at Terafab scale.

The power question gets an answer

AI's real constraint was never silicon. It's electrons. On September 21, nT-Tao and Orion Nuclear signed a memorandum of understanding to bring a 20MW compact fusion system to US data centers and critical infrastructure. The C3 prototype struck first plasma in January; in September the team deployed a 50MW pulsed-power subsystem — a fivefold increase in capability in a single quarter. The same day, the DOE announced $99M across 21 nuclear projects. The federal government and a private lab are pulling in the same direction.

Pair that with ABB's launch of “Infinitus,” its first source-to-rack DC portfolio for AI facilities, targeting 1MW per rack where the industry currently runs around 200kW. That's a fivefold step-change in what a rack can draw. The grid, the generation, the cabling, the chip: each link is being upgraded in parallel, and the companies positioned at each link are the ones compounding.

Where the money is moving

On September 21, Bitcoin touched $85,000 for the first time since January, and Coinbase opened its IPO allocations to US customers, starting with Oura. The pre-IPO window keeps widening, and the names on our watchlist — the compute landlords, the robot platforms, the chip makers — keep shipping proof of demand. Terafab is the clearest example of the pattern: infrastructure built now, in public, before the numbers become consensus.

What to watch

First, Terafab's December groundbreak and any early supply-chain contracts that surface. Second, Figure's next home-test cohort — the 56% number only matters if it climbs. Third, nT-Tao's path from the 50MW subsystem to a live 20MW deployment. Each milestone is a data point, and the data is pointing in one direction.

We're tracking Terafab, the robotics cohort, and the compact-fusion pipeline on our pre-IPO watchlist. Position before you predict.

What we do: AdValorem Syndicate underwrites early-stage, pre-IPO exposure alongside operators, not just allocators. We track the frontier (AI · robotics · quantum · blockchain · energy) so you can position before it becomes consensus.

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• Discord (open, FREE — talk 1-on-1 with Val): discord.gg/gErgtp9gTS
• Substack — the pre-IPO watchlist, updated weekly: advalorem.substack.com
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This article is informational and educational. It is not an offer to sell or a solicitation to buy any securities. References to AdValorem research verticals describe published education topics, not investment offerings.