Toftlund DK 11 000 7,4 5,4 2013 Sunmark (DK) (click Toftlund in South Denmark, then „About the plant”).Gram (Denmark) 10 073 7 4,82009 122 000Insulated water pond.10MW electric boiler900 kW heat pumpInspirationskatalog for store varmepumpeprojekter i fjernvarmesystemet page 59. November 2014. (click Gram in South-West Denmark, then „About the plant”). Kungälv SE Kungälv Energi AB 10 048 7,0 4,5 2000 1000 Water tank ARCON (DK)Svebølle-Viskinge 10 000 5,3 52011/2014 (click Svebølle-Viskinge in East Denmark, then „About the plant”). Karup DK 8063 5,4 3,7 2013 ARCON (DK) (click Karup in North Denmark, then „About the plant”). Strandby DK Strandby Varmeværk 8000 5,6 3,6 2007 ARCON (DK) (click Strandby in North Denmark, then „About the plant”). Nykvärn SE Telge Energi AB 7500 5,3 3,4 1985 1500 Water tank Teknoterm (SE)ARCON (DK) Ærøskøbing DK Ærøskøping Fjernvarme 7050 3,4 3 1998/2010 1200 Water tank ARCON/Sunmark (DK) (click Ærøskøping in South Denmark, then „About the plant”). Falkenberg SE Falkenberg Energi AB 5500 3,9 2,5 1989 1100 Water tank Teknoterm (SE)ARCON (DK) Neckarsulm DE Stadtwerke Neckarsulm 5044 3,5 2,3 1997 25 000 Soil duct heat exchanger Sonnenkraft (DE)ARCON (DK) Ulsted DK Ulsted Fjernvarme 5000 3,5 2,2 2006 1,000 Water tank ARCON (DK) Friederichshafen DE Technische Werke Fried.