Cities, as key contributors to climate change and at the same time particularly suffering from the effects of climate change, are expected to be a moving spirit in climate action, innovative ideas and solutions. The junior research group investigates how urban building envelopes can be energy activated to use solar energy and promote a climate-neutral building stock while balancing competing installations like roof and façade greening as climate change adaptation strategies and without compromising the architectural quality of the built environment. The research aims to quantify and potentially improve the impact of a large-scale energy activation of building envelopes on the urban microclimate and outdoor comfort. Another focus is the integration of local solar energy solutions into sustainable district energy concepts and into the urban energy system including the smart use of solar electricity also in the heat and transport sector. Urban district scale energy modelling is supposed to describe the flexibility and grid-supportive potential. Finally, implementation strategies and development tools for innovative solutions are identified together with cities and municipalities, as urban planning must meet diverse interests and needs of social and economic stakeholders.

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