Bridging the gap from municipal heat planning to implementation: community-led heat networks in an urban neighbourhood

Extended abstract 5-150-26

By summer 2026, all major German cities are expected to have adopted municipal heat plans outlining pathways towards climate-neutral and affordable heat supply. Two key trends are emerging. First, local and district heating solutions are attracting growing political attention as central delivery mechanisms. Second, existing district heating providers suggest they are neither able nor willing to develop the number of new networks needed for large-scale implementation. This shifts attention beyond technical questions towards issues of governance, financing, and social feasibility of implementation: who will take the lead in initiating, owning, and operating heat networks in designated areas? And how can affordability, social justice, and environmental sustainability be achieved at the same time?

In this context, we are developing strategies for community-led heat networks as part of the ongoing research project SInBa (Social Innovations in Construction, Housing and Urban Development) in a real-world laboratory. The case study focuses on a listed multi-family housing neighbourhood, where fragmented ownership, dense urban development, and limited renovation scope pose particular challenges for heat network solutions. Methodologically, the real-world experiment follows a triangulated approach, combining interviews with experts (n=9), community heat initiatives in Germany, Austria and Denmark (n=7), and local stakeholders situated in the case study (n=16), alongside co-creative stakeholder workshops with three groups of property owners in the case study neighbourhood (n=6).

We present findings from two analytical strands. First, we expound communication strategies to accelerate the engagement of property owners in urban neighbourhoods and facilitate the initiation and uptake of community-led heating initiatives. Second, we discuss key factors shaping local heating business models from the perspective of property owners. These factors strongly influence business model design and therefore require closer attention from decision-makers. 

Finally, based on these findings, we derive policy recommendations to support national frameworks that help translate municipal heat planning into socially just and practical implementation pathways.

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