1. (2023, July 22). National Recovery and Resilience plan of the Republic of Bulgaria. Available online: https://www.nextgeneration.bg/upload/71/BG+RRP+EN.pdf.
2. IEA (2012). Medium-Term Renewable Energy Market Report 2012, IEA. Available online: https://www.iea.org/reports/medium-term-renewable-energy-market-report-2012.
3. IRENA (2022). World Energy Transitions Outlook 2022: 1.5 °C Pathway, International Renewable Energy Agency. Available online: https://www.irena.org/publications.
4. IRENA Coalition for Action (2021). Community Energy Toolkit: Best Practices for Broadening the Ownership of Renewables, International Renewable Energy Agency.
5. IEA (2023). Renewable Energy Market Update—Outlook for 2023 and 2024–June 2023, IEA. Available online: https://www.iea.org/reports/renewable-energy-market-update-june-2023.