SpaceX Unveils $74 Billion AI Expansion Across Texas and Arizona

SpaceX has unveiled plans for more than US$74 billion in American investment, pairing a $24 billion supercompute facility at Starbase, Texas, with a $50 billion campus in Cochise County, Arizona.

The November 12 company announcement puts a price tag and a broader two-state strategy behind its computing expansion. These are planned investments, not facilities that have already been completed or spending that has all occurred.

A $50 billion Arizona campus with its own power infrastructure

SpaceX’s Cochise County project page describes nine buildings, up to 6 gigawatts of power and 24 gigawatt-hours of battery storage. The company is targeting construction in 2027.

The battery figure is substantial, but it measures stored energy rather than power generation. For scale, 24 GWh divided by 6 GW equals four hours of energy at that power level, before accounting for losses or operating reserves. That arithmetic is not a company promise that the campus could run for four hours entirely on batteries; its actual operation would depend on the final equipment and power-management design.

SpaceX also presents the development as beneficial to the surrounding community and utility system. Those are the company’s projections for a future project, not independently demonstrated results from an operating campus.

The announcement does not identify Tesla as the battery supplier or confirm a Megapack order. A large battery-storage requirement alone is not evidence that Tesla has won a contract.

What has changed since the earlier Arizona proposal?

The project follows the preliminary Arizona data-centre plan reported on November 5. That earlier coverage described a proposed 6 GW development on roughly 747 acres, with a county hearing scheduled for December 9.

The new information is SpaceX’s own public commitment to a $50 billion Arizona campus, its detailed building and storage figures, and the separate $24 billion Starbase investment. It moves the story beyond the initial report of a possible Arizona site, while still leaving construction, permitting and delivery milestones ahead.

The December hearing was a future step in the earlier proposal, not evidence that local approvals had already been granted. Likewise, a 2027 construction target should not be read as a confirmed opening date or a promise that the full 6 GW would be available immediately.

Starbase adds the Texas piece

The $24 billion supercompute facility at Starbase is a separate part of the announcement. Together, the Texas and Arizona projects show the scale of the computing infrastructure SpaceX intends to build on U.S. soil.

For now, the key development is the company putting its name and investment figures behind both sites. The next milestones are concrete approvals and construction progress, rather than treating the announced capacity as already online.

What will be the bigger challenge for SpaceX’s AI expansion: building the computing capacity or securing the power to run it? Let us know in the comments.