The Hindu Business Line
Summary
All this has led to the mushrooming of data centres which are large buildings that provide space, power, and cooling for IT infrastructure and are filled with servers and storage systems.
For all the benefits that technology provides us, data centres remain the digital world’s gigantic energy guzzlers. They are several times more energy-intensive than office buildings. Data centres and data transmission networks are responsible for one per cent of energy-related GHG emissions.
“Seen from a climate and energy point of view, the main challenge is cooling, since around 40 per cent of a data centre’s power is used to cool its servers. The storage and processing require much more electricity than web engine searches of yesteryear,” said Ravichandran Purushothaman, President, Danfoss India, a leading player in energy-efficient solutions.
“Data centres can be cooled up to 30 per cent more efficiently and excess heat generated by them can be recovered with the use of chillers and heat pumps with Danfoss technology. This new chiller’s capability of handling higher water temperatures is better enabled by the advent of oil-free compressors like Turbocor, says Purushothaman.
Danfoss’ headquarters in Nordborg, Denmark is an example of this concept. In 2015, fossil fuels accounted for 100 per cent of its heating. It is now on the verge of achieving CO2 neutrality. By 2024, excess heat from Danfoss data centres will provide 25 per cent of the total heat supply for factories and offices covering 2.5 lakh square metres.
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