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"Saving the environment" with liquid-cooled data centres

Global data giants are looking to countries with a lot of renewable energy and high security levels to build environmentally friendly data centres. But as electricity prices skyrocket, they are also being accused of taking energy needed in other sectors.
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200 billion Twh energy use

Energy use

The world's data centres use around 200 billion terawatt hours of electricity each year. The use has been constant but there has been a big change in the types of data centres, which are divided into traditional, cloud and hybrid storage.

More efficient data centres but slow change

Other places besides Trondheim are testing out liquid-cooled data centres too. The US Department of Energy (DOE ) handed out 40 million dollars to 15 research projects on 9 May this year.

Data centres spend 2 per cent of the total global electricity consumption. 40 per cent of this is spent on cooling, on average.

PUE data centres

Data centre efficiency is measured in Power Usage Effectiveness (PUE). A PUE of 2.0 means for each watt spent running the servers where data is stored, one watt is being used for cooling. The goal is to get as close to a PUE of 1.0 as possible. Today, the figure for data centres globally is 1.55 according to Statista.

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