Part 1: The Concept of Energy Communities and Their Regulatory Framework 1. A taxonomy of energy communities in liberalized energy systems 2. The EU policy framework for energy communities 3. Energy communities: A US regulatory perspective 4. Developing a legal framework for energy communities beyond energy law 5. Alignment of energy community incentives with electricity system benefits in Spain 6. The "virtual? model for collective self-consumption in Italy 7. Energy Communities: A North American Perspective 8. Energy Communities: Challenges for Regulators and Policymakers

Part 2: The Appeal of Energy Communities to Customers and Citizens 9. What motivates private households to participate in energy communities? A literature review and German case study 10. Community energy initiatives as a space for emerging new imaginaries? 11. The construction of a citizen-centered ecosystem for renewable energies in France 12. Energy communities' social role in a just energy transition

Part 3: Enabling Technologies, Community Design, and Business Models 13. The path to energy communities via local energy management and digital customer care 14. Governing energy communities: The role of actors and expertise in business model innovation 15. Grid-friendly clean energy communities and induced intra-community cash flows through peer-to-peer trading 16. Italian Energy Communities from a DSO's Perspective 17. Community energy design models in Brazil: From niches to mainstream 18. Institutional and policy context of energy communities in France and Italy: How to increase the welfare-enhancing capacity of the sector 19. The digitalization of peer-to-peer electricity trading in energy communities

Part 4: Case Studies and Implementation 20. Enabling Business Models and Grid Stability: Case Studies from Germany 21. Energy communities in Europe: A review of the Danish and German experiences 22. Platform-based energy communities in Germany and their benefits and challenges 23. A community-based biomethane heat network:Case study from Trier 24. Establishing Energy Communities in Post-Communist States:The Case of Bulgaria 25. Sustainable island energy systems: A case study of Tilos island, Greece