Neighborhood energy concept for Trier

In the research project of an integrated energetic neighborhood concept, the city of Trier was shown development paths to a largely climate-neutral neighborhood "Trier Innenstadt-Südwest". The study considered the extent to which the potential identified in the inventory can be used to save energy and increase efficiency on the one hand, and to which the residual energy demand can be covered by a regenerative electricity and heat supply on the other (the transport sector was not taken into account due to the funding program). Taking into account urban planning aspects and demographic developments, a "climate protection" scenario was developed with the stakeholders, with which almost 60% of climate-damaging emissions can be saved in 2050 compared to 2020 (over 80% compared to 1990). The largest savings potentials are building renovation, which could save approx. 5,000 t CO2/a, the expansion of solar energy in the neighborhood, which could save approx. 3,000 t CO2/a, depending on the technology, and the further expansion of biomethane-fueled combined heat and power plants in the neighborhood, including an area-wide local heating network in the neighborhood. This could save a further 18,000 t CO2 per year. These savings are a very good result for a densely built-up neighborhood with a high proportion of listed buildings. A further reduction in greenhouse gases is possible if the biogas or biomethane used from the biogas plants in the Eifel region is supplied in an even more sustainable manner. The research project has worked out 15 concrete packages of measures with the actors on how the climate protection scenario for the neighborhood can be implemented in concrete terms. Following the research project, the local heating network in the city center is now to be implemented with the cooperation partners Stadtwerke Trier and the city of Trier.

The research project was developed with the active collaboration of 9 master's students from the GVE department, who simulated and dimensioned important components of the local heating networks with their study projects and master's theses.

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