Identification of the key energetic, environmental, and economic KPIs

This deliverable helps to understand the most important performance aspects of residential heating and cooling systems, with a distinct focus on storage technologies. The proposed characteristics and performance indicators enable fair assessments of different energy systems and storage technologies based on economic, energetic and environmental criteria. This comprehensive set of KPIs, outlined in this deliverable, not only facilitates a nuanced understanding of energy system performance, but also aids in identifying areas for technological im- provement and decision-making in the field of residential energy systems.