Data centers guzzle energy to keep cool. Could snow be the answer? | CNN Business

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Data centers guzzle energy to keep cool. Could snow be the answer?

Bibai, in Japan’s northernmost island of Hokkaido, and its White Data Center have turned to snow. At WDC, snow is collected and piled up in an insulated mound outside the building. Heat captured from its servers slowly melts the snow, and the water cools pipes containing antifreeze — which then flows around the data center via an AC system, keeping temperatures around 25 degrees Celsius .

With the extra cooling capacity, the goal is to scale up the center from 20 server racks to 200. During the summer months, the snow mound is insulated with a covering of wood chips and dirt. Storing “free” cold energy falling from the sky is a no-brainer as a business opportunity, says Takahisa Tsuchiya, executive director of Bibai City’s economic department. “We always say that we should change our point of view and make the snow be on our side,” he adds.

 

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