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Purpose. A study of approaches to understanding the essence of the concept of “critical technologies”, an overview of the development of critical technologies in the field of energy security of Ukraine and an outline of the features of their use in modern conditions and for the future. Methodology of research. The methodological basis of the research is the dialectical method of scientific knowledge. General scientific and special methods were used in the research process, in particular: analysis and synthesis, dialectical – to determine the initial conditions and content of critical technologies; analytical – when processing literary and Internet sources; causal – to determine the dynamics of the development of the energy sector of Ukraine; abstract and logical – for outlining the main directions of functioning of critical technologies in the field of energy security, forming conclusions and proposals. Findings. Current and prospective critical technologies in the energy sector are summarized, which will be able to ensure the increase in the efficiency of the use of resources of the fuel and energy complex and ensure the comprehensive energy security of Ukraine. The impact of renewable energy sources is considered as a key parameter of the energy transition from the traditional use of energy resources to an innovative one, which can lead to the greening of the energy sector and the formation of an innovative and breakthrough model of the green economy. Originality. Measures to increase generation from renewable energy sources have been substantiated, which will make it possible to strengthen Ukraine's energy independence and contribute to the implementation of the Green Energy Course. A list of promising critical energy technologies in the field of energy security of Ukraine is proposed. Practical value. The substantiated research results can be used to form a list of the latest critical technologies in the field of energy security as an important component of Ukraine's national security. Key words: energy, energy security, critical technologies, innovations, energy strategy of Ukraine, energy supply, renewable energy sources, wind power plant, solar power plant.

Purpose. The aim of the article is substantiation of the use of the importance of the main postulates of the smart specialization mechanism to realize the innovative potential of the regional economy. Methodology of research. The methodological basis of the research is the dialectical method of scientific knowledge. General scientific and special methods were used in the research process, in particular analysis and synthesis, dialectical – to determine the initial conditions and content of smart specialization; analytical – when processing literary and Internet sources; causal – to determine the institutional support of smart specialization; abstract and logical – for delineating the main directions of functioning of smart specialization, forming conclusions and proposals. Findings. The issue of the essence, structure and features of the operation of smart specialization in the EU and Ukraine was investigated; the institutional units ensuring its formation are specified. The peculiarities of the content of smart specialization are considered, and the peculiarities of its components are determined in order to achieve economic, innovative, organizational, technological and social goals. The relevance of the study of issues related to the introduction of smart specialization for the development of the regions of Ukraine based on the recommendations of international organizations and the formation of appropriate normative and legal and innovative support is substantiated. The composition and main problems of innovative provision of smart specialization are formulated, and practical recommendations are given for its adaptation by subjects in the form of recommendations, which will make it possible to increase the efficiency of regional development management. Originality. The substantiation of the newest directions of smart specialization in the Ternopil region on the basis of innovations has been further developed. Practical value. Substantiated research results can be used to create and develop promising industries of the 21st century. Keywords: smart, smart specialization, strategy, innovation, entrepreneurship, energy, regional economy, project.