1. Center for the Study of Democracy, Lost in Transition: Bulgaria and the European Green Deal, Policy Brief No. 92, May 2020. Policy Brief No. 92, March 2020. Supported by Federal Ministry of the Environment, Nature Conversation and Nuclear Safety, German Bundestag, Germany
2. Council of Ministers of the Republic of Bulgaria, National Plan for Recovery and Sustainability of Bulgaria, version 1.05, 06.04.2022, https://nextgeneration.bg/14
3. 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, Official Journal of the European Union 21.12.2018. https://www.dker.bg/uploads/2022/god_doklad_30032022.pdf
4. Integrated national plan in the field of energy and climate of the Republic of Bulgaria 2021-2030, https://www.me.government.bg
5. Law on energy from renewable sources, in force from 03.05.2011, last amended. SG No. 42/07.06.2022.