The present analysis examines 15 municipal heat plans from eight German federal states, covering a total of 650,000 households. For the first time, the planning outcomes were linked with high-resolution socioeconomic data: drawing on the persona analysis developed by the Sozial-Klimarat (Social Climate Council), the study identifies which households live in which supply zones and what challenges they face in implementing the heat transition.

The study provides concrete recommendations for action to further develop municipal heat planning and underscores a key insight: the technical zoning of supply areas is only the beginning. What matters most is how the transformation of heat supply can actually succeed in the various neighborhoods.

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