1. Ritchie H, Roser M, Rosado P, Energy, Our World Data. (2020). https://ourworldindata.org/energy (accessed September 21, 2022).
2. IEA, Tracking Buildings 2021, Paris, 2021.
3. IEA, Gas 2020, n.d. www.iea.org/t&c/.
4. REN21, Renewables 2018 Global Status Report, n.d. https://www.ren21.net/wp-content/uploads/2019/05/GSR2018_Full-Report_English.pdf (accessed September 21, 2022).
5. Technical, economic, and environmental assessment of integrating solar thermal systems in existing district heating systems under Jordanian climatic conditions;Alemam;J Sustain Dev Energy, Water Environ Syst,2022