NASA Administrator Jared Isaacman has put forth a proposal to address the increasing public opposition to artificial intelligence (AI) data centers by relocating them into Earth's orbit. Isaacman suggested that solar-powered facilities in space could leverage the sun's energy without competing for terrestrial resources like land, water, and electricity grids.
His idea comes as a recent Fox News poll indicated that 70% of voters oppose building AI data centers in their local areas, with 79% favoring a slowdown in construction to address environmental and community concerns, rather than a rapid build-out to maintain a competitive edge. Environmental issues, including energy and water consumption, pollution, and noise, were cited by half of those opposed as their primary concern.
"Let’s take our data centers, put them in Earth orbit, take advantage of that free fusion reactor that’s out there for us and use that to ensure we do win the space race for sure, but the AI race, too," Isaacman stated in an interview with Nexstar DC.
Engineering Challenges and Commercial Pursuits
The concept faces significant engineering hurdles. AI chips generate substantial heat that would need to be dissipated by large radiators on orbiting satellites. Additionally, reliable and affordable launch capabilities, radiation-resistant hardware, and sufficiently fast laser links to connect distributed computing across orbit are necessary.
Despite these challenges, companies are exploring the concept. Google's "Project Suncatcher" aims to place its Tensor Processing Unit (TPU) chips on solar-powered satellites connected by lasers, with plans for two prototype launches by early 2027 to test orbital hardware and data sharing for AI workloads. SpaceX is developing a more ambitious version, its proposed AI1 satellite, which would be approximately 98 feet tall with a 246-foot wingspan, designed to carry up to 175 kilowatts of AI compute power. SpaceX is reportedly constructing a Texas factory to produce thousands of these satellites as early as late 2027.
Small-scale tests are already underway. Startup Starcloud has launched a satellite equipped with an Nvidia H100 chip and reported successfully running a version of Google's Gemini model and training a small language model in space. Starcloud plans its first commercial mission, Starcloud-2, for 2027.
SpaceX has also submitted an application to the Federal Communications Commission (FCC) seeking authorization to deploy up to 1 million orbital data center satellites between 500 and 2,000 kilometers above Earth. These satellites would use optical links for inter-satellite communication and connection to SpaceX's Starlink network. The FCC is currently reviewing the application.
Public concerns about data center expansion, particularly regarding their environmental footprint, have been amplified. This has led to increased scrutiny and opposition from communities nationwide, highlighting the need for innovative solutions to accommodate the growing demand for computational power.