DCD
Summary
Data center operators like to talk about heat reuse, but they probably talk about it more often than they actually do it. There are reasons for that, but all that could be about to change.
Let’s start with the basics. How much energy comes out of the data center as heat, how much is wasted, and what can you do with it?
But who wants data center waste heat? Historically most data centers have found that no one else wants their waste heat. Its temperature is too low for them to see any value in it.
There are exceptions, one of which is Stockholm Data Parks, a 30MW campus near the center of Stockholm where data centers connect to a district heating system, which pays them for their hot air.
But only a small minority of facilities are in cities where there is a district heating system in place which can take their heat, and where the climate is cold enough that local homes and businesses need a lot of warming up.
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