1. Smart grids in the European Union 2. Conceptualizing the energy transition in the European Union 3. Electricity decentralization and energy transition in Belgium 4. Electricity decentralization and energy transition in Greece 5. Electricity decentralization and energy transition in Spain 6. Electricity decentralization and energy transition in Italy 7. Electricity decentralization and energy transition in Bulgaria 8. Electricity decentralization and energy transition in Poland 9. Electricity decentralization and energy transition in France 10. Electricity decentralization and energy transition in Finland 11. Electricity decentralization and energy transition in Ireland 12. Electricity decentralization and energy transition in Estonia 13. Electricity decentralization and energy transition in Slovenia 14. Electricity decentralization and energy transition in Croatia 15. Electricity decentralization and energy transition in Austria 16. Electricity decentralization and energy transition in Luxembourg 17. Electricity decentralization and energy transition in Denmark 18. Electricity decentralization and energy transition in Sweden 19. Electricity decentralization and energy transition in Hungary 20. Electricity decentralization and energy transition in Cyprus 21. Electricity decentralization and energy transition in Lithuania 22. Electricity decentralization and energy transition in Romania 23. Electricity decentralization and energy transition in Malta 24. Electricity decentralization and energy transition in Slovakia 25. Electricity decentralization and energy transition in the Czech Republic 26. Electricity decentralization and energy transition in Latvia 27. Electricity decentralization and energy transition in Portugal 28. Electricity decentralization and energy transition in the United Kingdom 29. Innovative finance for sustainable energy