EHN
Summary
In Finland and Sweden, tech giants are turning energy-hungry data centers into unlikely allies in the fight against carbon emissions by piping their waste heat into homes.
Microsoft and other companies are building large-scale data centers in Nordic countries, where cold climates, cheap renewable power, and district heating infrastructure allow waste heat to be captured and reused.
The world wants clean air and fast data. People demand carbon cuts but can’t stop streaming. This partnership between Big Tech and Nordic district heating gives us a glimpse at how we might survive our own contradictions. Waste heat reuse doesn’t erase the environmental cost of energy-hungry data centers, but it softens the blow. However, plenty of data centers still dump their excess heat, and the industry’s energy appetite is ballooning fast — raising red flags in countries already nearing their grid limits.
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