Elon Musk's Tesla and SpaceX confirm $16.8B Terafab chip factory in Texas with 100 million square feet

6 Sources

Share

Tesla and SpaceX officially announced their $16.8 billion initial investment in Terafab, a massive semiconductor manufacturing facility in Grimes County, Texas. The vertically integrated chip factory will span 100 million square feet and produce AI chips for Optimus robots, Cybercabs, and space-based data centers to meet their projected 1 terawatt annual compute demand.

Tesla and SpaceX Commit $16.8 Billion to Terafab Chip Factory

Elon Musk's Tesla and SpaceX have officially confirmed that Terafab, their jointly developed advanced chip factory, will be built in Grimes County, Texas, outside Houston, with an initial $16.8 billion investment

1

. The announcement came Thursday alongside Texas Governor Greg Abbott, who confirmed the location and staggering financials for the first construction phase

5

. Structured as a formal joint venture between publicly traded Tesla and newly public SpaceX, the project allows Musk's companies to pool resources and shoulder the facility's immense upfront costs

5

.

Source: Market Screener

Source: Market Screener

Musk described the facility as "the largest and most valuable building on Earth by far" in a post Thursday

1

. More than 100 million square feet of manufacturing space is planned for the semiconductor manufacturing facility, according to SpaceX

1

. The 100 million square feet figure immediately stands out because it far exceeds anything ever announced for a semiconductor facility—Samsung's Pyeongtaek campus, for comparison, totals approximately 31.1 million square feet

2

.

Source: TechCrunch

Source: TechCrunch

Addressing Massive AI Compute Demand

The driving force behind Terafab is that Musk's vision requires phenomenal computing power, far more than current production rates support

1

. According to SpaceX and Tesla, their combined demand for semiconductors is projected to exceed 1 terawatt of AI compute per year, which significantly exceeds today's global supply

2

. SpaceX, Tesla, and xAI already consume a significant portion of contract chipmaking services available today, potentially justifying a dedicated fab exclusively serving Musk's companies

2

.

Musk clarified the compute distribution in response to a promotional video, stating his "very approximate guess" is that Terafab AI compute output would be approximately 25% for Tesla Optimus and 75% for AI spacecraft

3

. The facility will produce chips optimized for edge computing and inference for hardware like Tesla's Optimus robots and self-driving Cybercabs, along with high-power chips designed for operating SpaceX's space-based data centers

1

.

Vertical Integration and Manufacturing Innovation

Unlike conventional semiconductor facilities, Terafab is envisioned as a vertically integrated manufacturing campus where advanced logic devices, memory chips, packaging, and testing operations are housed together

2

. Normally, logic and memory chips are produced at different fabs using different process technologies, while packaging and testing services are performed at separate facilities

2

. The companies believe consolidating logic and memory chips production, packaging, and testing in one location will shorten the production cycle and enable faster iterative improvements

2

.

Intel has indicated it will contribute to the Terafab project, though it has been cagey about exact contributions

1

. The first stage is expected to use Intel's 14A process technology

2

. Based on an image published by SpaceX, the Terafab facility will occupy four massive buildings, though it remains unclear whether these represent different phases or serve different purposes

2

.

Economic Impact and Texas Incentives

The facility will employ at least 3,000 people from Grimes County, Texas and nearby Brazos County

1

. Between 60% and 80% of employees will be local residents

2

. Musk clarified that "3000 jobs is just for phase 1 of 10," suggesting significantly more employment in future phases

3

.

Texas is backing the project with a $30 million Texas Enterprise Fund grant and approved tax abatements for the site

5

. The announcement followed a heavily-attended county meeting Wednesday where hundreds of residents raised concerns about millions of dollars in tax abatements awarded to the project and lack of transparency

1

. Anderson-Shiro Consolidated Independent School District Superintendent Dr. Sarah Borowicz stated, "We believe this agreement will strengthen our district, expand opportunities, and better prepare our students for their future"

1

.

Multi-Phase Investment and Future Projections

While the initial $16.8 billion investment represents phase one, SpaceX has suggested in filings it may spend as much as $119 billion on the project across a multi-phase construction plan

1

. Analysts project the total cost across all phases could eventually exceed $119 billion

5

. When fully built, Terafab will be a massive semiconductor production campus requiring significantly more than the $16.8 billion initial investment

2

.

The announcement follows Tesla's groundbreaking earlier this year on a research semiconductor facility at the North Campus of Giga Texas, which the companies describe as a precursor to Terafab

2

. Musk explained why Texas was chosen over California, stating "Major new construction projects are de facto illegal in California"

3

.

X Prize Foundation's Peter Diamandis predicted SpaceX could become a $10 trillion company in the future, backing Musk's goal of securing $1 trillion in revenue for SpaceX by the end of the decade

3

. SpaceX committed to using water from the local Gibbons Creek Reservoir instead of local groundwater and will feature on-site wastewater treatment as well as water recycling and conservation measures

1

. By pulling chip manufacturing in-house, Musk aims to secure the critical AI infrastructure hardware needed for his companies to dominate the future of AI and aerospace

5

.

Today's Top Stories

© 2026 TheOutpost.AI All rights reserved