Elon Musk’s SpaceX and Tesla have committed $16.8 billion to the first phase of Terafab, a 100-million-square-foot semiconductor manufacturing complex in Grimes County, Texas. The project, announced on August 6, marks a significant step toward securing domestic chip production for AI applications across both companies’ operations.
The initial investment will fund construction of the facility, which is designed to produce advanced AI chips for Tesla’s Optimus humanoid robots and Cybercab robotaxis, as well as processors for SpaceX’s planned space-based data centers. SpaceX described Terafab as intended to consolidate chip manufacturing, memory production, advanced packaging, and testing under one roof, with future expansion phases potentially increasing total investment to $119 billion.
Project Details and Infrastructure
Terafab will occupy 100 million square feet—roughly 10 times the size of Tesla’s Gigafactory Texas—and is expected to employ at least 3,000 workers upon completion. The facility will draw water from the Gibbons Creek Reservoir rather than local groundwater to support industrial operations. SpaceX has also partnered with Intel to assist with chip contract manufacturing as part of the project.
SpaceX released rendered images of the facility, depicting a futuristic, multi-building complex with a Star Wars-like roadway system. The company stated that Terafab is intended to produce processors at an unprecedented scale, addressing what it describes as a critical gap in global chip supply—particularly for high-performance AI computing.
Strategic Rationale Behind Terafab
The project aligns with SpaceX and Tesla’s long-term goals to reduce reliance on overseas semiconductor production, which is currently dominated by a small number of companies in East Asia. SpaceX has emphasized the need for terawatt-level computing capacity to power its satellite-based data centers, which the company argues offer scalability advantages due to abundant solar energy and fewer regulatory constraints compared to terrestrial facilities.
Tesla broke ground in April 2026 on a research facility at Giga Texas as a precursor to Terafab, signaling the project’s phased development. SpaceX acquired xAI, Musk’s AI startup, earlier in 2026 to bolster its space-based computing efforts, culminating in the company’s largest-ever IPO in June.
Economic and Industry Implications
The announcement follows broader concerns about AI infrastructure costs, with investors scrutinizing major tech firms’ spending on data centers and semiconductor development. SpaceX’s investment in Terafab reflects a vertically integrated approach to AI chip production, combining manufacturing, packaging, and testing under one roof to streamline operations.
Local officials in Grimes County have noted SpaceX’s rapid timeline, with construction expected to begin imminently. The project’s scale and ambition have drawn comparisons to other mega-factory initiatives, though Terafab’s dual focus on terrestrial and space-based applications sets it apart.
Future Phases and Uncertainty
While the $16.8 billion initial phase is confirmed, SpaceX has indicated that additional expansions could push total investment to $119 billion, pending regulatory approvals and market conditions. The company has not provided a detailed timeline for subsequent phases beyond the first stage.