Free Cooling Every Day

It feels good that summers in The Power Region usually are cool. Not that there is snow on the streets, far from it, but the people living in Östersund are happy when the temperature rises above 15°C (60°F) in the middle of July. The cold climate is an advantage for data centers: It keeps cooling costs down.

Consistent Temperature

Annual average temperature in The Power Region is below 4°C (39°F).

Only some 65 hours (in 13 days) in the past 10 years were marginally warmer than the ASHRAE TC 9.9 recommended level of 26.6°C (80°F). Temperature has very rarely been over 29°C (84°F) during this time.

Official weather data is available from SMHI, Swedish Meteorological and Hydrological Institute (Swedish only) – see illustration below, showing normal annual average temperature (°C) for period 1961-1990 according to WMO Climatological Normals definition.

The international database places annual average temperature for Östersund at 2.8°C

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