Panthalassa lands $140M from Peter Thiel to build ocean-powered AI data centers at sea
Panthalassa, an ocean technology company, secured $140 million in Series B funding.
Peter Thiel led the round of funding with additional ongoing investment from John Doerr and others.
Funding will be used to fabricate and deploy autonomous, ocean-powered AI computing systems called Ocean-3 nodes.
“There are three sources of energy on the planet with tens of terawatts of new capacity potential: solar, nuclear, and the open ocean,” says Garth Sheldon-Coulson, co-founder and CEO of Panthalassa. “We’ve built a technology platform that operates in the planet’s most energy-dense wave regions, far from shore, and turns that resource into reliable clean power. We’re now ready to build factories, deploy fleets, and provide a sustainable new source of energy for humanity.”
It enables power generation from ocean waves and utilizes it to perform AI inference computing at sea by these nodes.
Panthalassa aims to address the growing demand for energy and computing while reducing the environmental impact of traditional data centers.
Commercial deployments are planned for 2027, although the company’s technology has been validated at prototype scale.
The timing of this announcement aligns with broader industry pressures around power scarcity, grid congestion, land constraints, and the exploding energy demands of AI infrastructure, all of which are reshaping data center strategy globally.
Investors like Peter Thiel and John Doerr are clearly betting that future AI capacity may increasingly require unconventional energy and deployment models beyond terrestrial hyperscale campuses. While the concept remains highly experimental and commercial deployment is still several years away, Panthalassa reflects a growing industry thesis: AI infrastructure expansion may ultimately depend as much on energy innovation and geographic diversification as on chips and cloud platforms themselves.
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