Denmark has two geothermal district heating plants, one in Thisted which started in 1988, and one in Copenhagen which started in 2005.[1][2] They produce no electricity.
^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