SpaceX and Tesla filed plans on May 6, 2026, to invest $55 billion [1] in a semiconductor manufacturing facility in Texas.

The project marks a significant move toward vertical integration for Elon Musk's companies. By producing their own chips, SpaceX, Tesla, and xAI can reduce reliance on external suppliers and customize hardware for their specific artificial intelligence and aerospace requirements.

The facility, named "Terafab," is planned for Southeast Texas [4]. The initial investment of $55 billion [1] will establish the foundation for the plant, though the total cost could rise to $119 billion [2] if all planned phases are completed.

This joint effort between SpaceX and Tesla aims to create a dedicated supply chain for AI and other semiconductor chips [5]. These components are critical for the autonomous driving systems used by Tesla and the advanced computing needs of SpaceX and xAI [5].

The filing on May 6, 2026 [3], outlines a massive industrial footprint in the U.S. semiconductor landscape. While the initial phase focuses on the $55 billion [1] layout, the potential scale of the $119 billion [2] total investment would make it one of the largest chip manufacturing projects in history.

Industry analysts said the move aligns with a broader trend of U.S. tech companies attempting to secure domestic chip production. By building the Terafab facility in Texas [4], Musk's ventures aim to insulate their operations from global supply chain disruptions and geopolitical tensions affecting the semiconductor trade.

“The facility, named "Terafab," is planned for Southeast Texas”

The establishment of Terafab represents a strategic shift toward total hardware autonomy for Elon Musk's ecosystem. By controlling the semiconductor fabrication process, these companies can iterate on chip design and production cycles much faster than they could when relying on third-party foundries. This integration could provide a competitive edge in AI deployment and spacecraft electronics, while simultaneously strengthening the U.S. domestic chip manufacturing base.