1. European Parliament, The Directive 2010/31 of the European Parliament and of the Council of 19 May 2010 on the energy performance of buildings, Official Journal of the European Union 53 (2010)
2. Visa, I., Moldovan, M., Comsit, M., Duta, A.: Improving the renewable energy mix in a building towards the nearly zero energy status. Energy Build. 68, 72–78 (2014)
3. Moldovan, M., Burduhos, B.-G., Visa, I.: Yearly Electrical Energy Assessment of a Photovoltaic Platform/Geothermal Heat Pump Prosumer–Energies 14(13), 3776 (2021)
4. United Nations General Assembly, Transforming Our World: the 2030 Agenda for Sustainable Development, Resolution A/RES/70/1, New York (2015)
5. Kalogirou, S.A.: Solar Energy Engineering—Processes and Systems, 2nd edn. Academic Press, London, UK (2009)