SpaceX plans to invest more than $74 billion in two massive artificial intelligence supercomputer campuses in Texas and Arizona, according to reporting by Unite.ai.
The aerospace company outlined proposals for up to $24 billion at Starbase, Texas, and roughly $50 billion in Cochise County, Arizona. The Arizona site still requires approval from county officials.
The Starbase facility will train advanced AI systems for medical research, emergency response, advanced manufacturing, and national security. It will also support the development and testing of future space computing systems.
The AI segment of SpaceX generated more than half of the company’s revenue in the third quarter, according to Reuters. This financial shift gives the infrastructure expansion a solid commercial foundation beyond rockets and Starlink satellite internet.
The proposed Arizona campus will feature nine single-story computing buildings of roughly 493,000 square feet each. Plans also include electrical buildings, an operations and security building, and outdoor areas for dry air coolers, transformers, and battery storage.
The facilities are designed for a maximum power draw of six gigawatts and up to 24 gigawatt-hours of battery energy storage capacity. Power will come from the public grid via Sulphur Springs Valley Electric Cooperative and Arizona Electric Power Cooperative.
Once the site is fully constructed, its plan provides up to $260 million per year for SSVEC and up to $200 million for AEPCO, with the boards of directors of both cooperatives to decide on the distribution of the funds.
Closed liquid loops will move heat from computers to ventilated dry air coolers, eliminating the need for evaporative spray towers.
SpaceX estimates that total water consumption for the fully built site could reach 10 acre-feet per year for all on-site uses. The plan rules out new industrial water wells, relying instead on non-potable sources or trucked water for construction and dust control.
At peak construction, the Arizona project is expected to generate about 5,500 construction jobs and 1,000 permanent roles. SpaceX projects a potential one-time county sales tax revenue of $250 million in the first year.
Annual property tax revenues are projected between $34 million and $103 million. The company also projects a 10% to 40% reduction in electricity bills for residential customers served by the local cooperative during the life of the project. The company is also discussing tax reliefs with negotiated payments at Starbase and Cameron County, arguing that this arrangement would ensure more predictable local revenue as computer hardware depreciates.
A petition carrying 2,400 signatures asks officials to reject the Arizona permit, and Cochise County has scheduled a public hearing for December 2026, according to Reuters. Both projects still await local decisions. In Texas, the Starbase municipal commission is set to review a property tax abatement on December 9, 2026.
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