The document provides a comprehensive analysis of the integration of distributed generation (DG) and renewable energy sources (RES) in various European countries, summarizing the progress on EU targets and national frameworks. Key results highlight the effectiveness of different promotion schemes, such as feed-in tariffs and quotas, as well as lessons learned from case studies in Germany, Spain, the UK, and the Netherlands. The report emphasizes the need for harmonized approaches and ongoing dialogue among stakeholders to enhance the integration of RES into energy systems.