1. Directive (EU) 2018/2001 of the European Parliament and of the Council of 11 December 2018 on the Promotion of the Use of Energy from Renewable Sources
https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32018L2001
2. Directive (EU) 2019/944 of the European Parliament and of the Council of 5 June 2019 on Common Rules for the Internal Market for Electricity and Amending Directive 2012/27/EU
https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32019L0944
3. Shedding Light on Energy in the EU—A Guided Tour of Energy Statistics
https://ec.europa.eu/eurostat/cache/infographs/energy/index.html
4. Renewable Collective Self-Consumption and Renewable Energy Communities
www.enusyst.eu/documents/ACC-CE-Italia.pdf