What is the Terafab project: Elon Musk’s plan for the world’s largest AI chip facility in Austin to power SpaceX

Elon Musk made announcements regarding a large-scale semiconductor production project with Tesla Inc. and SpaceX. This facility will be named a 'Terafab,' which will be used for the production of artificial intelligence hardware, automotive chips, and other computing systems, considering the growing demand for these components in the market. This announcement was made in Austin on 21st March 2025, which shows how this facility will be a significant in-house semiconductor production venture, eliminating the need for external suppliers for these components. According to Elon Musk, the facility will be used for long-term purposes, considering both terrestrial and space-based computing, as mentioned in the plan for artificial intelligence systems and satellite networks.Terafab is a large-scale semiconductor plant being developed by Elon Musk through Tesla Inc. and SpaceX. The plant is intended to manufacture chips required for artificial intelligence and high-end computing systems, both on Earth and in space. The plant is intended to enhance in-house semiconductor production, thus lessening dependence on third-party suppliers and catering to the need for high-end computing systems required for artificial intelligence platforms, robots, and satellite-based data centers.The proposed Terafab is expected to be significantly larger than existing semiconductor plants. During the launch event 'Terafab', Elon Musk indicated that the total area could reach approximately 100 million square feet. This would make it substantially larger than the chip manufacturing facility being developed. The size difference highlights the scale of the proposed development and its intended production capacity. The Terafab is designed to produce a high volume of semiconductor wafers each month. The level of production is intended to support between 100 and 200 gigawatts of computing capacity annually on Earth as reported. The project is currently in the early stages of development, with multiple locations under consideration according to the X (formerly Twitter) post by Musk on 22 March 2026, with timelines and investment details yet to be finalised. While initial attention focused on the area surrounding Gigafactory Texas in Austin, Musk clarified that only a smaller chip design facility would be located there. The primary manufacturing operations will require a separate, significantly larger site.The Terafab is a large-scale semiconductor manufacturing facility being developed by Elon Musk through Tesla Inc. and SpaceX. The project focuses on expanding in-house chip production to reduce dependence on third-party suppliers. Here are some of the features that define Terafab as the largest chip manufacturing facility.The size of the Terafab is expected to be much larger compared to existing semiconductor plants. The total area of the facility is expected to be around 100 million square feet. It requires thousands of acres of land, and it is not expected to fit within the existing Gigafactory Texas site. A distributed location strategy is being considered. The facility could have separate locations for design and manufacturing.The Terafab is designed for high-volume semiconductor manufacturing. This production capacity is intended to support between 100 and 200 gigawatts of computing power annually on Earth. In addition, the facility is planned to contribute to space-based computing systems, with a potential output reaching 1 terawatt/year under one roof according to the SpaceX’s X (formerly Twitter) post.The Terafab is part of a broader strategy to secure semiconductor supply for Tesla and SpaceX. It aims to ensure consistent availability of chips for vehicles, Optimus robots, and AI computing platforms.The project also supports the development of space-based data infrastructure. It is linked to plans for a satellite network that would function as orbital data centres, requiring high-performance chips for large-scale AI workloads.The project is currently in the early planning stage. Multiple locations are under evaluation, and construction of the main manufacturing facility has not yet begun. Initial hiring efforts are underway.