SpaceX Files $55B Terafab Chip Plant in Texas — Total Spend Could Reach $119B
SpaceX has filed plans for a semiconductor fabrication facility in Grimes County, Texas, with an initial investment of $55 billion. Total spending across the Terafab project and the company’s existing Bastrop packaging operation could reach $119 billion — a figure that, if realised, would rank among the largest individual commitments to semiconductor infrastructure anywhere on the planet.
The filing was reported by Reuters and corroborated by TechCrunch and The Next Web. SpaceX has not yet disclosed the process technology Terafab will run, the chip architectures it will produce, or the construction timeline. The Grimes County filing is the formal step required under Texas economic development procedures before site work can begin.
What Terafab Is For
SpaceX already operates a chip packaging and assembly facility in Bastrop, Texas. Terafab would move upstream: from packaging finished chips to fabricating them from wafers. That distinction matters. Packaging operations handle final assembly and testing. Fab operations cover the core manufacturing process where raw silicon becomes transistors, interconnects, and logic layers — the capital- and expertise-intensive step currently dominated by TSMC, Samsung, and Intel Foundry.
SpaceX has not confirmed a foundry partner or whether Terafab would operate as a captive facility for internal use or as a merchant fab available to external customers.
The xAI Connection
SpaceX absorbed xAI earlier this year when Elon Musk dissolved the standalone entity ahead of the SpaceX IPO filing. Grok is now a SpaceX product. Anthropic’s deal to use the Colossus 1 facility in Memphis — 220,000 NVIDIA GPUs — runs through SpaceX infrastructure. A vertically integrated chip-to-inference stack would give SpaceX (and by extension Grok) a compute cost structure unavailable to any current AI lab.
The $119B total figure represents roughly 2.5x Nvidia’s FY2026 revenue, the entire annual capex of the nine largest cloud providers combined, or about six CoreWeave data centre portfolios at current asset valuations.
The Policy Dimension
The filing arrives as the US government pushes domestic semiconductor manufacturing through CHIPS Act incentives and export controls on advanced chips to China. A SpaceX fab in Texas — from a company already operating the world’s most capable private satellite network and a dominant commercial launch provider — would give the US a compute supply chain not dependent on Taiwan or South Korean foundries for at least some production capacity.
Process technology will determine whether Terafab can produce leading-edge chips (sub-3nm) or trails the frontier by a generation. SpaceX’s silence on that point is the most important detail not yet disclosed.