Tesla earned $573 Million from SpaceX and xAI last year, according to an amended annual filing that reveals the growing scale of transactions between Elon Musk’s companies. The updated disclosure shows that Tesla generated significant revenue through sales to both SpaceX and artificial intelligence firm xAI in 2025, figures that were not fully reflected in its earlier January filing.

The revised numbers highlight how deeply interconnected Musk’s business ecosystem has become, with Tesla not only functioning as an electric vehicle manufacturer but also as a supplier of energy systems and vehicles to affiliated companies.

Breakdown of Tesla’s Intercompany Sales in 2025

How the $573 Million Revenue Is Distributed

• Tesla reported $143.3 million in revenue from SpaceX, primarily driven by vehicle sales, including Cybertrucks. Bloomberg estimates suggest that over $100 million of this came in the fourth quarter alone, indicating a strong late-year push in deliveries. This figure was missing from Tesla’s earlier filing, making the amended disclosure particularly significant.
• A much larger portion, $430.1 million, came from xAI, largely linked to Tesla’s Megapack energy storage systems. These systems are critical for powering AI infrastructure and high-energy data centers, which require stable and scalable energy solutions.
• Tesla also recorded an additional $78.1 million in revenue from xAI through early 2026, showing that the relationship is not only ongoing but expanding beyond the 2025 financial year.
• The overall figure of $573 million in related-party sales reflects a substantial level of internal commerce, illustrating how Tesla’s products are being deployed across Musk’s broader network of companies.

These figures demonstrate that Tesla’s business is increasingly tied to internal demand from affiliated firms, rather than relying solely on external market sales.

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Why These Deals Matter for Tesla’s Business Model

The scale of Tesla’s transactions with SpaceX and xAI points to a broader shift in how the company generates and stabilizes revenue. With growing competition in the electric vehicle market, internal sales such as fleet purchases by SpaceX can help move inventory and maintain production momentum.

At the same time, Tesla’s energy division appears to be playing a more central role. The large volume of Megapack sales to xAI highlights how energy storage is becoming a key growth driver, especially as AI and data center industries expand rapidly and require massive energy capacity.

However, these intercompany transactions also raise questions around transparency and governance. Investors typically monitor related-party deals closely to ensure that they are conducted at fair market value and do not create conflicts of interest.

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How Musk’s Expanding Ecosystem Is Driving These Transactions

In February, SpaceX acquired xAI, bringing together rocket technology, satellite systems, artificial intelligence capabilities, and future ambitions such as space-based data centers under one umbrella. This move significantly reshaped the structure of Musk’s companies.

Tesla’s earlier $2 billion investment in xAI was converted into SpaceX shares, further strengthening financial and operational ties across these entities. This consolidation suggests a strategic model where companies within the network share resources, infrastructure, and products to accelerate innovation.

Looking ahead, several possible scenarios could emerge:

• Tesla may continue increasing sales to affiliated companies to support revenue during slower market periods, particularly for new or high-cost products.
• Increased scrutiny from investors and regulators could push Tesla to limit such related-party transactions or structure them more transparently.
• The anticipated SpaceX IPO, expected to be one of the largest ever, could further reshape these relationships by introducing public-market accountability into the ecosystem.

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Key Financial Highlights

The disclosure that Tesla earned $573 million from SpaceX and xAI offers a clearer view into how modern tech conglomerates operate. Rather than functioning as separate entities, Musk’s companies are increasingly interconnected, sharing products, capital, and strategy.

While this approach can create efficiencies and accelerate growth, it also places greater importance on transparency, especially as these relationships continue to expand.

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