Part 1: Overview 1. Introduction to Energy Communities and Self-Sufficient Energy Islands 2. Enabling Technologies and Digital Solutions for Energy Communities and Self-Sufficient Energy Islands 3. Similarities and Differences - Energy Communities and Self-Sufficient Energy Islands 4. Challenges and Limitations of Energy Efficient Communities and Self-Sufficient Islands 5. Grid Impacts - Energy Communities and Self-Sufficient Energy Islands 6. Roadmap to Energy Transition and Global Perspectives - Energy Communities and Self-Sufficient Energy Islands Part 2: Energy Communities 7. Characteristics of Energy Communities 8.

Energy Communities - Legal Framework 9. Economic Viability, Business, and Funding Models for Energy Communities 10. Social Impacts of Energy Communities 11. Strategies and Smart Tools for Engagement and Empowerment of Energy Community Members 12. Environmental Impacts of Energy Communities 13. Examples of Energy Communities 14. Sustainability and Energy Communities Part 3: Self-Sufficient Energy Islands 15. Characteristics of Energy Islands 16.

Technical Analysis, Overall Energy Balance, and Energy Performance Indicators for Energy Islands 17. Concept Development for Sustainable Energy Islands 18. Software Tools for Sustainable Energy Islands Simulation 19. Examples of Energy Concept Development for Energy Islands 20. Energy Self-Sufficiency with RES 21. Self-Sufficiency in Heating and Cooling for Energy Islands 22. Water Self-Production in Energy Islands 23. Cyclic Economy Implementation in Energy Islands 24.

Examples of Self-Sufficient Energy Islands 25. Operational Management of Energy Island Systems Part 4: Conclusion 26. Energy Communities and Self-Sufficient Energy Islands - Executive Summary and Future Development.