SpaceX proposes $55 billion Terafab chip factory in Texas to fuel AI and space ambitions

SpaceX Unveils Massive Semiconductor Investment Plan

SpaceX has filed a proposal to build a semiconductor factory in Grimes County, Texas, with an initial SpaceX $55 billion investment that could eventually balloon to $119 billion across multiple phases1

1

. The ambitious Terafab project represents Elon Musk's latest effort to secure in-house access to advanced AI chips for his interconnected business empire, which now spans space exploration, electric vehicles, and artificial intelligence4

4

.

The semiconductor fabrication facility would be located roughly 80 miles northeast of Houston near the Gibbons Creek Reservoir, according to public hearing notices filed with local officials3

3

. SpaceX describes the project as a "multi-phase, next-generation, vertically integrated semiconductor manufacturing and advanced computing fabrication facility" designed to boost domestic semiconductor production in the United States1

1

.

Joint Venture Between SpaceX and Tesla Targets Multiple Applications

The chip manufacturing plant will be run jointly by SpaceX and Tesla, producing AI chips for a diverse range of applications across Elon Musk's companies2

2

. The chips will power AI servers, satellites, autonomous Tesla vehicles, humanoid robots, and SpaceX's proposed orbital AI datacenters1

1

. Musk has stated that the manufacturing facility will eventually produce enough chips to provide 1 terawatt of computing power per year, arguing that semiconductor manufacturers aren't making chips quickly enough for his companies' artificial intelligence and robotics needs1

1

.

When Musk initially announced the project in March, he shared plans for Terafab to produce enough chips to support up to 200 gigawatts per year of computing power on Earth, and up to one terawatt in space-based data centers2

2

. The billionaire has emphasized the existential nature of the project for his companies, writing: "We either build the Terafab or we don't have the chips, and we need the chips, so we build the Terafab"1

1

.

Intel Partnership Brings Manufacturing Expertise to Unproven Venture

To address the significant knowledge gap—SpaceX has zero semiconductor manufacturing experience—the companies have brought chipmaking giant Intel into the effort1

1

. During Tesla's recent earnings call, Musk revealed that the semiconductor factory in Texas would produce chips based on Intel's yet-unfinished 14A process node3

3

. Intel stated: "Our ability to design, fabricate, and package ultra-high-performance chips at scale will help accelerate Terafab's aim to produce 1 TW/year of compute to power future advances in AI and robotics"2

2

.

Musk has boasted that the facility will have all the equipment necessary to produce chips of any kind, including memory and GPUs. "In a single building, we can create a lithography mask, make the chip, test the chip, make another mask, and have an incredibly fast recursive loop for improving the chip design," he said in a March presentation3

3

. SpaceX flagged plans to "manufacture our own GPUs" as part of "substantial capital expenditures" outlined in its S-1 registration4

4

.

Tax Breaks Sought as Project Faces Scrutiny

The facility is planned within a newly designated reinvestment zone in Grimes County, where local officials will consider a property tax abatement agreement at a meeting scheduled for 9 am on June 34

4

3

3

. The proposed facility could help reduce reliance on external suppliers such as Samsung and Taiwan Semiconductor Manufacturing Co4

4

.

However, Musk wrote in a tweet on Wednesday that Grimes County, Texas was only one of several locations under consideration for the factory1

1

. SpaceX's own filing highlighted significant risks, noting the company lacks long-term contracts with many direct chip suppliers and will continue to rely significantly on third parties. The company added there is no assurance it will meet its Terafab objectives within expected timelines, or at all4

4

.

Timing Aligns with SpaceX IPO and xAI Integration

The filing comes as SpaceX prepares to go public as soon as June in what is likely to be one of the largest initial public offerings ever, targeting a valuation of around $1.75 trillion4

4

. Earlier this year, SpaceX acquired xAI, Musk's AI startup, in a deal focused on building space-based data centers for artificial intelligence processing. The combined entity was valued at $1.25 trillion4

4

5

5

.

Elon Musk's AI ambitions have intensified across his companies, with SpaceX currently operating a "Colossus" data center in Memphis, Tennessee, that recently signed an agreement to power Anthropic's AI models2

2

. Last month, SpaceX announced a $60 billion deal to acquire the AI start-up Cursor, which makes a code-writing assistant5

5

.

The plan aligns with a broader U.S. push to expand domestic semiconductor production amid geopolitical tensions and supply chain risks4

4

. For reference, Intel's leading-edge wafer fab expansion in Chandler, Arizona cost roughly $30 billion, significantly less than SpaceX's proposed first-phase investment3

3

. The success of orbital AI datacenters remains predicated on SpaceX's Starship bringing down the cost to orbit to economically viable levels, which hasn't happened yet3

3

. Since it takes three to five years to bring a new fab online, SpaceX still has time to make progress on reusability and launch costs as the facility develops.