Silicon in the Lone Star State | Inside SpaceX and Tesla's $16.8 Billion Terafab Push

In an ambitious move to bypass global semiconductor bottlenecks, SpaceX and Tesla have officially committed an initial $16.8 billion to construct Terafab, a colossal 100-million-square-foot semiconductor manufacturing complex located in Grimes County, Texas. Coupled with SpaceX's 11-million-square-foot Gigasat satellite production campus in Bastrop, Elon Musk's ventures are laying the physical foundation for a massive, vertically integrated space-and-terrestrial AI computing ecosystem. The dual investment represents one of the largest advanced manufacturing commitments in Texas history, backed by a $30 million performance grant from the Texas Enterprise Fund.

According to reporting by India Today and Protexas Industry, the combined computing demand across Tesla and SpaceX is projected to surpass 1 terawatt, substantially outstripping the capacity of third-party foundries. The answer is not to wait in line for TSMC or Samsung capacity. It is to build the factory.

Terafab | 100 Million Square Feet of Domestic Chipmaking

Located near the Gibbons Creek Reservoir in Grimes County, Terafab represents one of the largest advanced manufacturing investments in Texas history. The facility envisions over 100 million square feet of manufacturing space across four mega-structures, an industrial footprint that dwarfs any existing semiconductor fabrication plant in the United States. The initial $16.8 billion first-phase investment targets 1 terawatt of annual compute output, a figure calibrated to meet the combined internal demand of Tesla's Optimus humanoid robot program, the Cybercab autonomous vehicle fleet, and SpaceX's emerging orbital data center constellation.

What sets Terafab apart from conventional foundries is its end-to-end vertical integration architecture. The facility unifies logic fabrication, memory production, advanced packaging, and testing under a single roof. Chips are designed, etched, stacked, and validated without ever leaving the campus, eliminating the multi-continent supply chain fragmentation that has made semiconductor procurement a strategic vulnerability for every major technology company. The facility is expected to generate at least 3,000 high-tech manufacturing jobs. To address local environmental concerns, Terafab plans to utilize surface water from Gibbons Creek Reservoir with full on-site recycling rather than drawing down local groundwater reserves.

Gigasat | Building the Orbital AI Data Center Assembly Line

Spanning a 1,000-acre campus in Bastrop, Texas, the Gigasat factory serves as the dedicated production facility for SpaceX's space-based AI hardware. With 11 million square feet of production space, Gigasat handles raw material processing through final assembly, producing solar ingots, wafers, cells, PCBs, user terminals, and satellite chassis entirely on-site. The facility's near-term target is scaling toward 1 gigawatt per year of space-based AI compute by late 2027, which translates to approximately 6,700 satellites annually. The long-term goal is 100 gigawatts per year by 2030.

The flagship product is the AI1 satellite, an orbital data center with a 70-meter wingspan carrying a 150 kW peak compute payload, equivalent to a single Nvidia GB300 rack deployed in space. Each AI1 satellite features a 110-square-meter deployable liquid radiator that rejects heat directly into the vacuum, solving the cooling bottleneck that constrains every terrestrial data center. As MLQ.ai reported, the in-house supply chain spans from raw silicon processing to final satellite integration, making Gigasat one of the most vertically integrated spacecraft production lines ever constructed.

The Strategic Logic | Why Space and Texas Silicon

The combined computing demand across Tesla and SpaceX is projected to surpass 1 terawatt, substantially outstripping third-party foundry capacity. The strategic rationale for building both Terafab and Gigasat simultaneously rests on two interrelated arguments. First, ground-based AI data centers face severe land, power grid, and cooling limits that are structural, not temporary. A 1 GW terrestrial data center requires a dedicated power plant, hundreds of acres of land, and continuous water supply for evaporative cooling. Shift those same compute workloads into low Earth orbit, and the constraints disappear: 24/7 solar generation without atmospheric filtering and direct radiometric heat rejection into space eliminate the power and cooling problems simultaneously.

Second, the combination of chip production at Terafab and spacecraft assembly at Gigasat creates a fully sovereign hardware pipeline. Neither Tesla nor SpaceX needs to negotiate for TSMC capacity, compete for limited advanced packaging slots, or worry about export controls on AI accelerators. The chips are designed, fabricated, packaged, and launched into orbit by the same corporate ecosystem. For a recent parallel in orbital infrastructure ambition, see our coverage of Bezos announcing orbital data centers at VivaTech 2026, and for the financial scale backing SpaceX's expansion, see the SpaceX $75 billion IPO valuation analysis. For broader tech coverage, visit the OzoneNews Tech hub.

What This Signals | The End of Foundry Dependence

The Terafab-Gigasat dual investment is not merely an industrial expansion. It is a declaration that the era of fabless semiconductor strategy has reached its practical limit for companies operating at the frontier of AI compute demand. When your internal compute requirements exceed the capacity of the global foundry industry, you do not negotiate for more allocation. You build the factory. The Texas facilities represent the first instance of a private company constructing an end-to-end silicon-to-orbit hardware pipeline at a scale historically reserved for nation-states.

The broader implication for the semiconductor industry is significant. If the Terafab model proves economically viable at 1 TW of annual output, it establishes a precedent that other hyperscale AI companies, cloud providers, and defense contractors may be forced to follow. The foundry model that has dominated the semiconductor industry since the 1980s may fragment as the largest customers conclude that sovereignty over their silicon supply chain is worth the capital expenditure. For further tech and infrastructure coverage, see the OzoneNews Tech section.

Frequently Asked Questions