Geothermal power in Denmark

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Denmark has two active geothermal district heating plants, one in Thisted which started in 1988, [1] and one in Aarhus, started in 2025. [2]

Two others have stopped working. A facility in Sønderborg failed in 2018 due to silting. One in Copenhagen started in 2005, [3] and stopped in 2019.

The underground temperature is under 100 °C (212 °F), reducing thermodynamic efficiency so electricity production is not feasible. Their geothermal heating is used as heat input to electric heat pumps (consuming grid electricity) to heat buildings.

See also

References

  1. ↑ "Thisted Varmeforsyning Geotermi". Archived from the original on 2008-10-01. Retrieved 2009-04-10.
  2. ↑ "Project: Aarhus, Denmark – Geothermal in Aarhus". Innargi. 2025. Retrieved 2025-11-03. The Skejby facility will be delivering its first heat in 2025.
  3. ↑ Allan Mahler & Jesper Magtengaard, Proceeding World Geothermal Congress 2005, Geothermal Development in Denmark, Country Update WGC 2005 Archived 2009-03-25 at the Wayback Machine
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