🔍 Read the full analysis: SpaceX Weighs A Major Investment In AI Campuses Across Two States on ThorstenMeyerAI.com
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TL;DR
SpaceX said Nov. 12 it is advancing two AI computing projects: a facility near Brownsville, Texas, and a campus in Cochise County, Arizona. The company puts planned investment across both sites at more than $74 billion, but local approvals are pending and key details—including the Texas facility’s computing capacity and water use—remain unknown.
SpaceX said Nov. 12 it is advancing two AI “supercompute” projects in Starbase, Texas, and Cochise County, Arizona, describing their combined planned investment as more than $74 billion. Neither project has all required local approvals: officials in both places are due to consider related matters on Dec. 9.
SpaceX says it plans to invest more than $24 billion in computing infrastructure near the Port of Brownsville in the Rio Grande Valley. A Starbase City Commission notice puts the estimated capital investment for the initial phases at about $24 billion and describes a gas-fired power plant alongside the computing facility. SpaceX says the site will generate its own electricity rather than draw from the public grid. The city notice identifies an approximately 444-acre site between Boca Chica Boulevard and the port.
The Texas project’s public documents leave several operating details open. The city notice does not state the power plant’s capacity, and SpaceX has not disclosed the computing facility’s capacity or its expected water use. The local outlet The 956 Report, citing an air registration filed with the Texas Commission on Environmental Quality, reported plans for temporary turbines followed by larger units. Those figures come from the outlet’s account of the filing, not from the city notice. SpaceX says the project would create more than 500 permanent jobs and that it has committed $220 million to water and wastewater infrastructure in Brownsville and Cameron County, including $40 million it says it has already provided.
In Arizona, SpaceX describes a roughly $50 billion campus on about 747 acres near Cochise. The county application, filed by Tombstone Resources L.L.C., proposes up to nine computing buildings, each about 493,000 square feet, built in four phases. The application calls for about 1,500 megawatts in the first phase and approximately 6 gigawatts at full build-out, supported by a 24-gigawatt-hour battery system. The county documents reviewed by the source do not name SpaceX; the company’s project page and Tombstone Resources’ town-hall statement connect the project to SpaceX.
The Arizona application proposes grid electricity delivered through local cooperatives, with no on-site power plant. It describes dry cooling without cooling towers and estimates water use of 7 to 10 acre-feet annually at full build-out, mostly for staff. It also estimates up to 5,500 construction workers at peak and about 1,000 employees once fully operational. Those are proposed project figures, not confirmed hiring or operating outcomes.
SpaceX plans two AI campuses across Texas and Arizona
SpaceX says the proposed computing projects represent more than $74 billion in planned investment. Local approvals are pending, and key details remain unresolved.
Two campuses, two power models
The proposals describe different approaches to electricity and cooling.
- Near the Port of Brownsville on an approximately 444-acre site.
- SpaceX says an on-site gas-fired plant would generate electricity.
- Computing capacity and expected water use remain undisclosed.
- About 747 acres in Cochise County, with up to nine proposed computing buildings.
- Grid power through local cooperatives; no on-site plant proposed.
- Application proposes dry cooling and estimates 7 to 10 acre-feet of water use annually at full build-out.
What the proposals include
Investment, capacity and jobs are estimates or company statements, not confirmed outcomes.
Infrastructure and jobs
SpaceX says the project would create more than 500 permanent jobs and that it has committed $220 million to local water and wastewater infrastructure.
Phased build-out
The application proposes four phases, about 1,500 megawatts in the first phase and roughly 6 gigawatts at full build-out.
The next local decisions
Both projects still face local proceedings, and the available information does not establish whether required approvals will be granted.
The Planning and Zoning Commission is scheduled to consider the Arizona application on Dec. 9.
The City Commission is due to consider a property-tax abatement related to the Texas proposal.
Two States, Two Power Models
The proposals show how SpaceX is pursuing large-scale computing infrastructure on the ground while also describing space-based computing as a longer-term ambition. The company said the Texas site would help develop and test technology for future space-based computing, but the immediate plans depend on local land-use decisions and, in Arizona, a substantial supply of grid electricity.
The projects also present different questions for nearby communities. SpaceX says Texas would have on-site gas-fired generation, while Arizona would rely on cooperative-delivered grid power and dry cooling. That distinction matters for local planning, utility arrangements, air emissions and water concerns. The promised investment and jobs could be significant for the areas involved, but the stated figures are company and application estimates; the projects’ final scale and effects depend on approvals and implementation.
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From Orbital Computing to Local Campuses
In February, after announcing its acquisition of xAI, SpaceX argued that growing AI electricity demand could not be met by terrestrial resources without imposing hardship on communities and the environment. The company presented computing in orbit as part of its response. The November plans put two major facilities on land, though SpaceX says the Texas site would also support development of space-based computing technology.
The announcement follows SpaceX’s combination of its aerospace and AI ambitions. Reuters reported that the AI segment generated more than half of SpaceX’s revenue in the third quarter; that figure is Reuters’ reporting, not a project estimate in the local applications. The current development is more specific than the earlier broad discussion of orbital computing: it names two locations, gives proposed investment totals and, for Arizona, includes a county application with technical and land-use details.
““Together, they represent more than $74 billion in planned American investment.””
— SpaceX
Approvals and Project Details Pending
The projects remain proposals subject to local processes. On Dec. 9, the Cochise County Planning and Zoning Commission is scheduled to hold a hearing on the Arizona application, while the Starbase City Commission is due to consider a property-tax abatement related to the Texas project. The available material does not establish whether either project will receive all required approvals or whether the Texas tax request will be granted.
Other unresolved details include the Texas facility’s computing capacity and water consumption, the size of any Texas tax break, and the final configuration and schedule of both campuses. SpaceX has said Arizona’s dry-cooling system would use little water, but the county application’s estimate remains a projection. It is also unclear whether Arizona’s utility regulator will approve the electricity arrangement behind SpaceX’s promised reductions in local cooperative members’ power bills.
December Decisions Set the Near-Term Test
The next public milestones listed in the source material are the two proceedings scheduled for Dec. 9, 2026. Cochise County’s planning and zoning hearing will address the Arizona application, while Starbase commissioners will consider a property-tax abatement for the Texas proposal. The available information does not say when either body will issue a final decision.
Further filings and public proceedings may clarify project conditions, infrastructure commitments and timelines. Readers should distinguish the announced investment totals and projected jobs from final approved plans: the scale of construction, the Arizona power arrangement and the Texas facility’s resource needs remain subject to further documentation and review.
Key Questions
What did SpaceX announce?
SpaceX said it is advancing two AI computing projects, one near the Port of Brownsville in Starbase, Texas, and another in Cochise County, Arizona. The company says planned investment across both exceeds $74 billion.
How large is the proposed Arizona campus?
The application filed by Tombstone Resources proposes up to nine computing buildings on about 747 acres. It estimates a first phase of roughly 1,500 megawatts and about 6 gigawatts at full build-out.
How would the two sites get electricity?
SpaceX says the Texas facility would generate its own electricity at a gas-fired plant. The Arizona application proposes electricity from the grid through local cooperatives and does not describe an on-site power plant.
Have the projects been approved?
The source material identifies pending local processes, not final approval. A Cochise County planning and zoning hearing and a Starbase City Commission consideration of a Texas tax abatement are scheduled for Dec. 9, 2026.
What is still unknown?
Public details do not establish the Texas facility’s computing capacity or water use, the size of any Texas tax break, or whether Arizona’s electricity arrangement and promised bill cuts will receive regulatory approval.
Source: ThorstenMeyerAI.com
