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China Sinks Servers in the Ocean to Cool Temperatures — Cutting Energy Use by Up to 90%
In a bold step toward greener technology, China has begun deploying large-scale underwater data centres — effectively sinking servers deep beneath the ocean to harness natural cooling and drastically cut energy consumption. The initiative, led by Chinese tech companies with government backing, could reduce traditional cooling energy costs by as much as 90%, marking a major breakthrough in sustainable computing infrastructure.
A Cool Revolution Under the Sea
Data centres are the backbone of the digital age, powering everything from online banking and cloud storage to artificial intelligence and global communications. But they also consume massive amounts of electricity — particularly for cooling, which can account for nearly half of a centre’s total energy use.
By submerging data modules in cold seawater, China’s engineers have found a way to use the ocean’s naturally low temperatures to cool servers efficiently and continuously, without the need for expensive air conditioning systems. This approach could drastically reduce carbon emissions while lowering operational costs.
How It Works
The underwater facilities consist of sealed steel capsules packed with servers and networking equipment. These capsules are lowered to the seabed and connected to the mainland via fibre-optic cables and power lines. The surrounding seawater acts as a natural coolant, drawing away the heat generated by the machines.
Advanced monitoring systems ensure the data centres operate safely, with remote maintenance technology reducing the need for human intervention. The ocean environment also offers protection against natural disasters such as earthquakes or fires that can threaten land-based facilities.
Massive Energy and Environmental Savings
According to initial reports, these underwater data centres could cut electricity consumption for cooling by up to 90% compared to traditional land-based systems. Additionally, the closed-loop design prevents heat from leaking into the marine environment, maintaining ecological balance.
The move aligns with China’s broader environmental goals under its “Green Data Initiative”, which aims to make the country’s digital infrastructure more energy efficient by 2030.
Setting a Global Example
China’s underwater data experiment follows smaller trials by companies like Microsoft, which tested a similar concept off the coast of Scotland in 2018. However, China’s deployment marks the first large-scale commercial rollout of this technology, indicating a major shift in how the world may handle data processing in the future.
Tech analysts believe this innovation could set a precedent for nations seeking to balance the growing demand for cloud services with the urgent need to cut carbon emissions.
A New Depth for Digital Sustainability
If successful, China’s oceanic data farms could become a model for next-generation data infrastructure — one that leverages natural environments to sustain technological progress responsibly.
By literally taking the cloud underwater, China is demonstrating that the future of data storage may not be in the sky, but deep beneath the waves.
Attached is a news article regarding china sinking there servers in the ocean to cut energy up to 90%
https://www.sciencealert.com/chinas-new-underwater-data-centers-could-slash-power-by-up-to-90
Article written and configured by Christopher Stanley
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