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technology1h ago
China says 'world's first' offshore wind-powered underwater data center has entered full operation, houses 2,000 servers — 24 megawatt subsea AI facility uses ocean water for passive cooling and offshore wind for power
- China’s offshore wind‑powered underwater data center in Shanghai has begun full commercial operation.
- The 24 MW facility near Shanghai houses nearly 2,000 servers and uses seawater for passive cooling.
- The project is a public‑private partnership involving the Chinese government, HiCloud Technology, and state telecoms.
- Officials say the design lowers cooling energy needs, improving efficiency with a PUE reportedly below 1.15.
- The underwater setup connects to offshore wind farms for renewable energy supply.
- Experts caution about saltwater corrosion and maintenance challenges for subsea racks.
- The Shanghai project follows earlier submerged data center tests, such as Microsoft Natick.
- The project aligns with a broader push to embed renewables in digital infrastructure.
- Engineers must manage seawater environmental risks and subsea maintenance for long‑term operation.
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