Panthalassa Raises $140 Million for Ocean AI Nodes as 2026 Pacific Pilot Nears

5 articles · Updated · Fox News · May 15

$140 million in Series B funding will finance Panthalassa’s floating AI computing nodes, lifting total funding to $210 million and backing a pilot manufacturing facility near Portland, Oregon.
The company aims to deploy its Ocean-3 pilot series in the northern Pacific later in 2026, using wave energy for power, seawater for cooling and low-Earth-orbit satellites to return AI inference results to land.
Panthalassa is pitching the offshore model as an answer to land-based data centers’ growing power, space and cooling demands, focusing on inference workloads rather than training massive AI models.
Key hurdles remain: satellite links are slower than fiber for coordinating systems, and repairs in rough, corrosive ocean conditions could be costly and weather-dependent.
The concept builds on earlier offshore data-center experiments by Microsoft and others, but Panthalassa still must prove its nodes can operate reliably before targeted commercial deployments in 2027.

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