Tesla’s Quiet Cash Engine: Nearly $900 Million in Sales to SpaceX and xAI
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Tesla–SpaceX: When Rocket Science Meets Electric Cars
Tesla has generated approximately $890 million in revenue since 2023 from sales to SpaceX and xAI, according to disclosures included in SpaceX’s IPO prospectus. The figures highlight the growing commercial relationships across Elon Musk’s companies, particularly in energy storage, transportation, and artificial intelligence infrastructure.
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The transactions are primarily tied to Tesla Cybertruck purchases and Megapack energy-storage systems. SpaceX and xAI purchased approximately $131 million worth of Cybertrucks during the period, using the vehicles across operational facilities and launch sites. Tesla’s Megapack systems accounted for a larger share of revenue, with sales reaching approximately $191 million in 2024 and $506 million in 2025. These systems provide large-scale energy storage for rocket operations and data-center infrastructure.
The integration between the companies expanded further following SpaceX’s acquisition of xAI in February. The transaction combined satellite infrastructure, launch operations, and artificial intelligence capabilities within a broader technology platform. The arrangement also increased demand for Tesla’s energy-storage products, particularly for AI-related computing facilities requiring high electricity capacity and backup power systems.
The companies are also collaborating on semiconductor manufacturing initiatives, including a project referred to internally as “Terafab.” According to reports, the initiative is focused on developing custom chips for artificial intelligence systems, vehicles, and aerospace applications. The project reflects broader efforts to align computing, transportation, and infrastructure development across the Musk business ecosystem.
Corporate governance links between the companies have also expanded. SpaceX plans to add Tesla director Ira Ehrenpreis to its board alongside investor Randy Glein, who has served as a SpaceX board observer for several years. These overlapping leadership structures are intended to support coordination on long-term investments and operational strategy.
The IPO prospectus disclosures provide investors with additional visibility into the commercial relationships between Tesla, SpaceX, and xAI. The filings show how SpaceX increasingly relies on products and infrastructure developed within Musk’s broader group of companies rather than external suppliers for certain operational needs.
The disclosures also illustrate how Tesla’s energy and vehicle businesses are becoming connected to growth in artificial intelligence and space infrastructure. SpaceX’s satellite operations and xAI’s computing requirements create additional demand for battery storage, power systems, and transportation products supplied by Tesla.
The broader strategy reflects a business structure in which the companies operate independently while also serving as customers, technology partners, and infrastructure providers for one another. Supporters argue that this approach can accelerate development cycles and improve operational coordination across sectors including transportation, energy, aerospace, and artificial intelligence.
