A massive data center hub is likely heating up a town outside London
Summary
The town of Slough, just outside London, has experienced unusually high temperatures, which new research suggests may be partly due to the large cluster of data centers there. These data centers generate heat from their cooling systems, which can raise local temperatures, a phenomenon called the "heat island effect."Key Facts
- Slough hosts the second largest data center hub on the planet with about 40 large facilities.
- Data centers use cooling systems to keep computer servers cool, releasing heat into the surrounding air.
- Scientists at the University of Cambridge found data centers worldwide can raise local temperatures by about 3.6°F, with possible spikes up to 16°F in some spots.
- Slough was observed to be about 1°F warmer in July compared to nearby towns without large data centers.
- The combined effect of multiple data centers close together has not been well studied yet.
- Data center operator Digital Realty says they use light-colored roofs, green spaces, and other measures to reduce heat output.
- Residents of Slough report needing fans earlier in the day than usual due to hotter temperatures.
- Other types of development, like warehouses or parking lots, can also increase local heat by replacing natural land with buildings and pavement.
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