@burger_jaap
Many cities might even do without #HeatPumps for heating, as #geothermal resources like the #Molassebecken in Southern Germany provide valuable #hydrothermal temperatures above 70°C-100°C at moderate drilling depths.
https://www.roedl.de/erneuerbare-energien/dienstleistungen/technologie/geothermie
The city of #Munich already features 6 geothermal plants, feeding #decarbonisedHeat into the 900km #DistrictHeating network.
https://www.swm.de/magazin/energie/geothermie
