1、Sustainable Heating in BuildingsDr.Andreas Koch I German Energy Agency dena I 20.5.2025German Heat Transition2Green Cooling Summit 2025,20 21 May 2025Source:Prognoset al.(2023)Mio.m2Res.SurfaceMio.m2Res.SurfaceRequiremtents at District Scale District Energy Concepts have to comply with building and
2、planning requirements Requirement for individual heating und Building Networks(GEG)Requirement for District Heating and provision of a heat plan(WPG)Respective Subsidy Programmes for Buildings and District Heating Networks3Green Cooling Summit 2025,20 21 May 2025Solutions&Technology Options Technolo
3、gy Options for Decarbonisation depends on:Urban Form Urban Ressources Energy Infrastructures4Green Cooling Summit 2025,20 21 May 2025Source:Deutscher Wetterdienst,https:/www.dwd.de/inkasSolutions&Technology Options Technology Options for Decarbonisation depends on:Urban Form Urban Ressources Energy
4、Infrastructures5Green Cooling Summit 2025,20 21 May 2025Solutions&Technology Options Technology Options for Decarbonisation depends on:Urban Form Urban Ressources Energy Infrastructures6Green Cooling Summit 2025,20 21 May 2025Source:https:/www.l.de/stadtwerke/geschaeftskunden/waerme/fernwaerme/Best
5、Practice Example Stegerwaldsiedlung(2015-2019)Initial Situation:1.614 residential units constructed in the 50th,3.500 Residents initially heated with natural gas Supply Solution After Renovation:Hybrid-system Air-Water-HP and District Heating(DH)41 Air-Water-HP(492 kWth)41 Peak Load via DH(1743 kW)P
6、V-Modules on all Roofs(ca.6.126 m,1084 kWp)16 Battery Storage Systems(210 kW,655 kWh)7Green Cooling Summit 2025,20 21 May 2025Source:www.gebaeudeforum.deBest Practice Examplary Cost Comparison Example of 300 residential units Comparative co