Almaty, Kazakhstan – As part of its work to build capacities of the CA countries to develop national energy sector models, the European Union (EU) funded SECCA project has set up the Regional Group on Modelling consisting of two young professionals from each Beneficiary Country and delivered three regional trainings on energy modelling in the period from September 2024 to January 2025. These trainings aimed to transfer the basic concepts, and the theoretical and practical approaches, related to analysing and modelling complex energy systems at the national and regional level.