silicon republic
Summary
Data centres have become major users of energy and look set to be an even greater strain on the grid in the future.
Servers, storage devices and networking equipment are the “primary sources” of waste heat generation in data centres, as they have to “continuously” process data. But other parts of data centres – such as cooling systems – also generate heat.
This presents various sources of waste heat that could be utilised, but Gunnelius said that it first would need to be processed and distributed.
“The temperature of the waste heat is often relatively low, but district heating and other industrial uses often require heat at higher temperatures,” he said. “The heat may need to be increased to 70 degrees Celsius or more to make it suitable for district heating.”
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