“Drinking water is used to cool London’s data centers”


Britain’s largest water and sewerage utility, Thames Water, has launched a survey of data center water usage across London as potable water is used to cool the operations of these facilities .

The news comes as Thames Water’s garden hose ban came into force, affecting millions of customers in London and the Thames Valley.

In a statement, John Hernon, director of strategic development at Thames Water, said: “We know there is an increased demand for data centers and we have launched a targeted exercise to understand how much water they are using. use.

“We want to work with new centers to reduce their overall water consumption and ensure there is enough water for everyone.

“Our main goal is to reduce the amount of water needed to run a data center. Data centers do not need to use potable water (drinking grade) for cooling. We want to examine how raw water (non-potable water) can be used and reused. »

A research paper titled A Circular Economy for the Data Center Industry, published in June 2021, estimated that the sector consumes the equivalent of 120,000 Olympic-sized swimming pools each year for cooling purposes.

ELN has contacted Thames Water for more information on its review.

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