All-Russian scientific conference with international participation “Thermophysical basis of energy technologies” (TBET 2021) was held at National Research Tomsk Polytechnic University, Tomsk, Russia, October 26-28, 2021.Scientific reports of participants were made in three sections covering the following topics:1. Combustion technologies; 2. Technical thermal physics and nuclear energy; 3. Thermal engineering and automation of technological processes and metrology measurement systems; Over 60 attendees took part in the Conference in both online and offline formats. Among them, there were Russian and foreign scientists representing academic and scientific institutions, as well as industrial enterprises.The main tasks of the Conference were to promote the innovative development of thermal and power engineering and higher education in Russia; to strengthen the interaction of university and academic science in the development of innovative technologies in thermal power engineering in Russia and abroad.We thank all section chairs, organizers and participants of All-Russian scientific conference with international participation “Thermophysical basis of energy technologies”.List of Editors are available in this pdf.