- Panthalassa Valuation Now Near $1 Billion Following New Financing
- Peter Thiel led $140 million investment round in ocean technology company
- Investors see ocean energy as a vast untapped computing resource
Panthalassa, a US-based ocean technology company, is advancing its plan to relocate data processing to open waters, backed by new financing that puts its valuation at close to $1 billion.
The startup has spent ten years developing wave energy technology and is now backed by PayPal co-founder and early Facebook investor Peter Thiel, who led a $140 million investment round in the company.
“We are now ready to build factories, deploy fleets and provide a new source of sustainable energy for humanity,” said Garth Sheldon-Coulson, co-founder and CEO of Panthalassa.
Avoiding the Internet by going abroad
Panthalassa’s idea connects two pressures that rarely meet directly: the growing demand for AI computing and the limits to Earth’s energy systems.
By placing both power generation and computing offshore, the company maintains it can avoid grid limitations and cooling challenges.
The plan is to use the rocking motion of waves to force water through a turbine, generating electricity to power AI chips directly in the sea.
The company houses this entire system within what it calls a node, a solid 85-meter-long steel structure that sits mostly beneath the ocean’s surface.
Inside, a hermetically sealed container contains the AI server, which is cooled by the surrounding seawater.
Boats can drive themselves to their destination using the shape of their hull, without the need for an engine or fuel.
Unlike other ocean energy projects, Panthalassa will never transmit electricity to land; Instead, the AI chips on board will receive user queries via SpaceX’s Starlink satellite connection and send inference tokens in the same way.
Terawatts of untapped energy
“There are three energy sources on the planet with tens of terawatts of potential new capacity: solar, nuclear and offshore,” Sheldon-Coulson said.
Waves are created by wind and wind is created by the heat of the sun. That means the waves are essentially twice-concentrated sunlight that continues to move even when the wind stops.
The company’s nodes have no hinges, fins or gearboxes that can break down in hostile ocean conditions, making them easier to manufacture at scale.
They use only Earth-abundant materials such as steel, with robust supply chains supporting rapid deployment – a huge opportunity for data center development.
The magnitude of this opportunity has attracted the attention of some of Silicon Valley’s most prominent investors.
“The future requires more computing than we can imagine,” said Peter Thiel. “Extraterrestrial solutions are no longer science fiction. Panthalassa has opened the ocean frontier.”
John Doerr, an early investor in Google and Amazon, called the Panthalassa system a game-changer for “addressing global energy needs and clean energy generation.”
“It’s a triple win: workers benefit, communities benefit, and we gain a strategic asset that strengthens American technological leadership,” Doerr added.
Panthalassa plans to deploy its Ocean-3 pilot nodes in the northern Pacific Ocean sometime this year, with commercial deployments planned for 2027.
The company has demonstrated its capabilities with the Ocean-1, Ocean-2 and Wavehopper prototypes in 2021 and 2024.
However, moving from prototypes to a commercial fleet of hundreds or thousands of nodes is a completely different challenge.
The ocean is unforgiving and maintaining floating data centers in remote waters, far from any port, will require logistics that no company has managed before.
Saltwater corrosion, biofouling, and storm damage are not theoretical problems for marine equipment—they are everyday realities that have sunk many promising ocean energy companies before this one.
Thiel’s money buys time and manufacturing capacity, but it does not buy immunity from the laws of physics or the hostility of the sea.
Unlike projects that sink sealed containers to the ocean floor or launch server racks into orbit, these floating nodes must first survive the unpredictable surface of the open ocean before delivering any computing value.
Via Financial Times
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