The 11th International Conference Coal and Critical Minerals CCM 2023 was attended by representatives of the University of Belgrade, Faculty of Mining and Geology, Faculty of Electrical Engineering from Belgrade, Faculty of Mechanical Engineering from Belgrade, Ministry of Mining and Energy of the Republic of Serbia, Faculty of Technical Sciences from Kosovska Mitrovica, Energy Agency of the Republic of Serbia, Geological Survey of Serbia, RWTH Aachen University from Germany and University of Western Macedonia (Kozani) from Greece, University of Mining and Geology Sveti Ivan Rilski (Sofia) from Bulgaria, Geological Survey of Slovenia, Laboratorio Nacional de Energia e Geologia (Lisbon) from Portugal, National Research Council of Italy - Institute for Organic Synthesis and Photoreactivity from Italy, then representatives of the following companies: Joint Stock Company Elektroprivreda Srbije (Belgrade), MB Kolubara Branch of Joint Stock Company Elektroprivreda Srbije (Lazarevac), TPPs-OCMs Kostolac Branch of Joint Stock Company Elektroprivreda Srbije (Kostolac), Public Power Corporation Ptolemaida (Greece), Department of Mining Engineering & Closure Planning, Public Power Corporation Athens (Greece), Serbia ZiJin Copper (Bor), DPM Avala (Belgrade), Rio Sava (Belgrade), Tekon sistemi (Belgrade), EFT Rudnik I termoelektrana Stanari (Republika Srpska), Mining Institute (Belgrade), Opencast Mining Center (Belgrade), Public Company Underground Coal Mining Resavica, Ugljevik Mine and Thermal Power Plant (Republika Srpska), Pljevlja Coal Mine (Montenegro), Brown Coal Mines Banovići (BiH), Jantar Grupa (Pancevo), Mineral Grupa (Belgrade), Vedir Impex (Belgrade), Geoprofesional (Belgrade), AD Kaolin (Valjevo), TerraGold&CO (Belgrade), Flipping FRP (Belgrade), AP Sidro (Belgrade) , TEI KOM (Belgrade), Meris (Belgrade), and Construction Institute of Macedonia (North Macedonia).