Quick Read
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Tesla (TSLA) and SpaceX confirmed Terafab, a 100-million-square-foot Texas chip megafactory, with $16.8 billion committed for phase one of a $119 billion ceiling.
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Intel (INTC) joined Terafab but hasn’t disclosed its contribution, while SpaceX’s only binding commitment is $5 billion invested and 1,800 jobs by 2035.
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On August 6, 2026, Tesla (NASDAQ:TSLA) and SpaceX formally confirmed Terafab, a jointly built semiconductor megafactory in Grimes County, Texas, just north of Houston. On X, Elon Musk called it “the largest and most valuable building on Earth by far.” The site plans exceed 100 million square feet of manufacturing space, more than five times China’s New Century Global Center and larger than the Pentagon, Apple Park, and Mall of America combined.
The pitch is vertical integration at a scale nobody has attempted. Terafab will house manufacturing, packaging, and testing of advanced logic and memory chips in a single facility, aimed squarely at the bottleneck Musk keeps hitting: there are not enough chips on Earth to build the Optimus robots, Cybercabs, and space-based data centers he has pitched investors. SpaceX describes the plant as designed to “bridge the divide between current global chip supply and the compute demand of the future”, with a stated production goal of more than 1 terawatt of compute per year optimized for edge inference.
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The money framing matters. What is committed now is $16.8 billion for the first phase. The widely quoted $119 billion figure is a multi-phase ceiling SpaceX disclosed in its May 2026 filings, first reported by TechCrunch on May 6, 2026, and represents a top-end estimate, not confirmed spend. The legally binding floor is more modest: agreements signed by SpaceX CFO Bret Johnsen commit at least $5 billion in Grimes County by 2030 and at least 1,800 full-time jobs by 2035. Intel (NASDAQ:INTC) has agreed to contribute but has been vague about the size of its commitment.
Beyond the binding floor, the partners are promising at least 3,000 jobs across Grimes and neighboring Brazos County, with early production as soon as 2027 and mass production targeted for 2028. Texas is sweetening the deal: SpaceX received a $30 million Texas Enterprise Fund grant, and the project qualifies under the state’s Texas Jobs, Energy, Technology, and Innovation program. Musk first floated Terafab in Austin on March 22, 2026; the Grimes County selection ends months of speculation.
