World’s first wind-powered underwater datacentre starts operating in China

2026-06-09 · Source: AI (artificial intelligence) | The Guardian · Field: Technology & Digital — Cloud Computing & IT Infrastructure, Artificial Intelligence & Machine Learning, Emerging Technologies & Innovation · Depth: Fundamental Awareness, quick

Summary

The world's first wind-powered underwater datacentre has commenced operations off Shanghai, China, addressing energy demands from the country's artificial intelligence boom. Launched in May as the Shanghai Lingang undersea datacentre demonstration project, this 24-megawatt facility is a joint venture by HiCloud Technology and China Communications Construction. Submerged 10 meters deep and 10 kilometers offshore, it is powered by an adjacent offshore windfarm. This design reduces power consumption by over one-fifth compared to land-based datacentres, primarily due to natural seawater cooling and renewable energy. It also significantly cuts freshwater usage, a critical concern given projections of datacentre water footprints reaching 9.3 trillion liters by 2030. China's earlier commercial underwater datacentre in Hainan in 2023 was not wind-powered.

Key takeaway

For Directors of AI/ML or infrastructure planners evaluating future datacentre strategies, this project highlights a viable path to significantly reduce operational costs and environmental impact. Your teams should investigate underwater datacentre solutions, particularly those integrating offshore renewable energy, to mitigate high power consumption and freshwater demands associated with traditional facilities. Consider the localized marine ecosystem impacts and necessary monitoring, but recognize the potential for substantial efficiency gains in AI infrastructure deployment.

Key insights

Submerged, wind-powered datacenters significantly cut energy and water use through natural cooling and renewables.

Principles

• Natural cooling reduces datacentre energy demand.
• Offshore wind integration enables sustainable infrastructure.
• Commercial deployment requires market, industrial, and policy alignment.

In practice

• Explore underwater siting for new datacentre projects.
• Integrate offshore renewable energy sources for power.
• Monitor marine ecosystems for localized thermal impacts.

Topics

• Underwater Datacenters
• Offshore Wind Power
• AI Infrastructure
• Energy Efficiency
• Water Footprint
• Marine Ecosystems

Best for: CTO, VP of Engineering/Data, Executive, Tech Journalist, General Interest, Director of AI/ML

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Editorial summary, takeaway, and curation by AIssential. Original article published by AI (artificial intelligence) | The Guardian.