This is How China Cools its Servers on the Seabed

Underwater Data Center This is How China Cools its Servers on the Seabed

2026-07-22 A guest post by Henrik Bork* | Translated by AI 6 min Reading Time

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China's first underwater data center is a 1,000-ton steel colossus on the seabed. The servers are directly cooled with seawater via a smart copper pipe system. The direct offshore wind connection reduces energy consumption. A project for the future?

A central question in the concept of the underwater data center was how to cool the server cabinets in sealed chambers on the seabed. (Symbol image)(Source: © moneymoney – stock.adobe.com / AI-generated) — A central question in the concept of the underwater data center was how to cool the server cabinets in sealed chambers on the seabed. (Symbol image)
(Source: © moneymoney – stock.adobe.com / AI-generated)

Ten kilometers off the coast of Shanghai, a 32-meter-high steel colossus rises from the East China Sea. Beneath the water's surface, beside more than 50 wind turbines of an offshore wind farm, a data center is housed in a submerged cylindrical chamber. It is said to be the world's first data center powered directly by an offshore wind farm and cooled by the sea, reported the business magazine Caixin.

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