🔍 Read the full analysis: What To Know About SpaceX’s AI Campus Plans In Texas And Arizona on ThorstenMeyerAI.com
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TL;DR
SpaceX announced plans for two AI computing projects: a facility near Starbase, Texas, with an estimated initial investment of about $24 billion, and a roughly $50 billion campus in Cochise County, Arizona. The projects require local decisions scheduled for Dec. 9, 2026; the Texas facility’s computing capacity and water use, and the Arizona project’s electricity arrangements, remain unclear.
SpaceX said Nov. 12 it is advancing plans for two AI computing campuses, one near its Starbase launch site in Texas and another in Cochise County, Arizona. The company puts their combined planned investment at more than $74 billion, but both projects still face local decisions, and several major details—including the Texas site’s computing capacity and water use—are not publicly specified in the supplied project materials.
The Texas project is planned for an approximately 444-acre site between Boca Chica Boulevard and the Port of Brownsville. SpaceX says it expects to invest more than $24 billion in its initial computing infrastructure. A Starbase city notice describes the project as including a gas-fired power plant and a supercomputing facility, with an estimated initial capital investment of about $24 billion and possible later expansions.
SpaceX says the Texas site will generate its own electricity rather than draw power from the public grid, and will be used to train AI systems for applications including medical research, emergency response, manufacturing and national security. The company reports more than 3,000 construction jobs so far and says the facility could have more than 500 permanent jobs once operating. Those figures are company statements, not independently verified employment totals.
The Arizona proposal is larger in planned computing scale: SpaceX describes a roughly $50 billion campus on about 747 acres near Cochise. The county application, filed by Tombstone Resources L.L.C., lays out up to nine computing buildings, constructed in four phases. It estimates about 1,500 megawatts for the first phase and approximately 6 gigawatts at full build-out, supported by a 24-gigawatt-hour battery system. The county documents cited in the source material do not name SpaceX; the connection is supported by SpaceX’s project page and Tombstone Resources’ town hall statement.
SpaceX’s AI Campus Plans Texas and Arizona
SpaceX has proposed two large AI computing campuses. Their investment, power plans and local approval paths differ, and key details remain unresolved.
Two sites, different power plans
Each proposal depends on local infrastructure and decisions.
- About $24 billion in initial investment near Starbase
- Planned gas-fired generation, separate from the public grid
- Computing capacity and facility water use are unspecified
- Roughly $50 billion campus in Cochise County
- Grid electricity through two cooperatives
- Up to nine buildings; about 7–10 acre-feet of annual water use estimated
Arizona build-out in phases
The county application outlines a staged campus and its projected power needs.
Estimated at about 1,500 megawatts.
Up to nine computing buildings are proposed.
Estimated at about 6 gigawatts, supported by a 24-gigawatt-hour battery system.
What communities should weigh
Potential jobs and investment come with questions about resources and public terms.
Texas employment claims
SpaceX reports more than 3,000 construction jobs so far and says over 500 permanent jobs could follow. These are company statements, not independently verified totals.
Uneven disclosure
Arizona estimates low use with dry cooling. Texas facility water demand is not specified.
Arrangements matter
Arizona’s grid supply and promised local bill reductions depend on utility arrangements and approval.
Local decisions are next
The proposals follow separate approval processes, despite SpaceX’s combined investment figure.
Two Campuses, Two Power Models
The plans show how SpaceX is pursuing substantial on-the-ground computing capacity alongside its interest in space-based computing. The approaches differ: the Texas project is described as having its own gas-fired generation, while the Arizona campus would take electricity from the grid through Sulphur Springs Valley Electric Cooperative and Arizona Electric Power Cooperative. That makes local power infrastructure and approval central to whether the projects can proceed as proposed.
The proposals also have potential consequences for nearby communities, from construction and long-term jobs to utility demand, land use and public infrastructure. SpaceX says the Arizona campus would use dry cooling without cooling towers and estimates annual water use of about 7 to 10 acre-feet at full build-out, mostly for staff. In Texas, the company points to its investment in regional water and wastewater infrastructure, but does not state how much water the computing facility itself would consume. Those differences matter when communities assess the projects’ effects and the benefits offered in return.
The announced investment total is a planned figure, not money already spent or a guarantee that every phase will be built. The projects’ scale, timing and public costs will depend on approvals, utility arrangements and construction decisions that remain ahead.
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From Orbital AI to Ground Sites
SpaceX’s plans follow its Feb. 2 announcement that it had acquired xAI. At that time, the company argued that electricity demand for AI could not be met by terrestrial infrastructure without creating hardships for communities and the environment, and presented data centers in orbit as an answer. The new Texas and Arizona proposals add large terrestrial facilities to that broader direction rather than replacing SpaceX’s stated interest in space-based computing.
SpaceX says the Texas site will also help it develop and test technology for future space-based computing. The announcement therefore links immediate investment in ground infrastructure with the company’s longer-term ambitions. Reuters reported that SpaceX’s AI segment generated more than half of the company’s revenue in the third quarter; that reported figure offers financial context for the company’s growing AI focus, but does not by itself establish how these particular projects will be financed or perform.
The projects are moving through separate local processes. In Arizona, Cochise County’s application is under the name Tombstone Resources L.L.C. In Texas, Starbase’s city notice sets out an upcoming commission consideration involving a property tax abatement. The different applicants, power arrangements and approval paths mean the campuses should be assessed as separate proposals, despite SpaceX’s combined investment figure.
“Together, they represent more than $74 billion in planned American investment.”
— SpaceX
Capacity, Water and Approvals
Several important details remain unresolved. The supplied Texas materials do not state the computing facility’s capacity or its own water use, and the size of any proposed property tax abatement is not specified. A local outlet, The 956 Report, said an air registration filed with the Texas Commission on Environmental Quality described temporary natural-gas turbines totaling about 748 megawatts, followed by larger turbines totaling about 708 megawatts. Those figures come from the outlet’s account of the filing, not from the city notice summarized here.
For Arizona, the county application estimates low water use and describes grid power delivery, but it remains unclear whether the electricity arrangements behind SpaceX’s promised reductions in bills for local cooperative members will receive approval from the relevant utility regulator. The county application is filed by Tombstone Resources, and the cited county documents do not identify SpaceX as the applicant.
Neither project is established as fully approved or guaranteed to reach its proposed final size. Construction schedules, financing, phased development and the final terms of local approvals are not detailed in the source material. SpaceX’s estimates and commitments should be read as statements of its plans, not as proof that each outcome is secured.
Local Decisions Set for December
Both projects have a scheduled local milestone on Dec. 9, 2026. The Cochise County Planning and Zoning Commission is due to hold a hearing on the Arizona application. In Starbase, the city commission is scheduled to consider a property tax abatement related to the Texas project. Those proceedings may provide further information about conditions, incentives and community concerns, but the supplied material does not establish that either meeting will result in final approval of every aspect of the projects.
Readers should watch for county and city decisions, any published approval conditions, and further filings on power generation, grid service, water use and tax treatment. Additional detail on the Arizona utility arrangement will be important to evaluating SpaceX’s claims about local power bills. For Texas, disclosures on computing capacity, facility water demand and the proposed tax benefit would clarify the project’s scale and local costs.
Key Questions
How much is SpaceX planning to invest?
SpaceX says the two projects represent more than $74 billion in planned investment: more than $24 billion for the Texas project and roughly $50 billion for Arizona. These are company estimates of planned investment, not confirmed completed spending.
Where are the proposed campuses?
The Texas facility is planned for an approximately 444-acre site near the Port of Brownsville, within Starbase. The Arizona proposal covers about 747 acres near Cochise in Cochise County.
How would the two sites get electricity?
SpaceX says the Texas campus would generate its own power at a gas-fired plant. The Arizona campus is proposed to receive grid electricity through local cooperatives, with standby generators for outages and testing.
Have the projects been approved?
The source material describes pending local processes, not completed approvals. A Cochise County Planning and Zoning Commission hearing and a Starbase City Commission consideration of a property tax abatement are scheduled for Dec. 9, 2026.
What remains unknown?
The Texas facility’s computing capacity, its water use and the size of any tax abatement are not stated in the supplied materials. For Arizona, the utility approval and terms behind promised local bill reductions remain unclear, as do the final timing and scope of construction.
Source: ThorstenMeyerAI.com
