SpaceX & Tesla to Build Massive AI Chip Factories in Texas

The 'Terafab' project aims to produce 1 terawatt of computing power annually to power Tesla vehicles, Optimus robots, and SpaceX's AI-driven space infrastructure.

Mar. 22, 2026 at 11:11pm

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Elon Musk has announced plans for Tesla and SpaceX to jointly construct a massive chip factory, dubbed 'Terafab,' in Austin, Texas. This move signals a shift towards vertical integration, with the companies aiming to control a crucial component of their future - the semiconductors that power electric vehicles, humanoid robots, and AI-driven space infrastructure. The Terafab complex will consist of two factories, one focused on chips for Tesla products and another dedicated to AI chips for SpaceX's space applications.

Why it matters

The core driver behind this decision is the escalating demand for advanced chips, particularly those capable of handling the intensive workloads of artificial intelligence. By building Terafab, Tesla and SpaceX aim to secure a dedicated chip supply and tailor designs to their specific requirements, reducing reliance on external suppliers and mitigating risks associated with supply chain disruptions.

The details

The projected output of Terafab is staggering - one terawatt of computing capacity per year, which would position Tesla and SpaceX as major players in the semiconductor industry. The first factory will produce chips for Tesla's vehicles and the Optimus humanoid robot, while the second will create chips optimized for AI data centers in space. Musk emphasized the need for specialized chip design for space applications, noting the harsher operating environment and higher temperature tolerance requirements.

  • Elon Musk announced the Terafab project in March 2026.

The players

Elon Musk

The CEO of Tesla and SpaceX, who announced the Terafab project.

Tesla

An American electric vehicle and clean energy company that will be a partner in the Terafab project.

SpaceX

An American aerospace manufacturer and space transportation services company that will be a partner in the Terafab project.

xAI

Musk's artificial intelligence firm that recently merged with SpaceX, making it a joint venture partner in the Terafab project.

Samsung

A South Korean multinational conglomerate that is currently one of Tesla and SpaceX's chip suppliers.

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What they’re saying

“We either build the Terafab or we don't have the chips, and we need the chips, so we build the Terafab.”

— Elon Musk

What’s next

A specific timeline for the completion of the Terafab project has not been announced.

The takeaway

The Terafab project highlights the growing trend of tech giants like Tesla and SpaceX pursuing in-house chip development to secure a dedicated supply, tailor designs to their specific needs, and reduce reliance on external suppliers - a move that could have significant implications for the semiconductor industry and the future of AI-powered technologies.