A key factor towards a low-carbon society is energy efficient heating of private houses. The choice of heating technology as well as the decision for certain energy-efficient house renovations are made mainly by individual homeowners. In contrast, municipal energy network planning heavily depends on and strongly affects these decisions. Further, there are different conflicting objectives for finding optimal network designs, e.g., low carbon emissions opposed to low investment and maintenance costs. This work presents a framework for an energy supply network model that integrates these homeowner micro-decisions in the multi-objective optimization process to aid macro-level decision-making for energy supply network planning. Furthermore, numerical experiments are carried out in order to illustrate our framework.
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