Energy security problems and features of its research at the present stage

The paper offers a modern interpretation of the term "energy security". Strategic threats to energy security are identified for the modern conditions; their dynamics and transformation are shown at different time stages of the Russian energy sector development. Also the work presents methodological and modeling developments on the study of energy security problems. A scheme is proposed for researching the country's fuel and energy complex, taking into account the requirements of energy security, the methods and models used are analyzed. The paper describes the features and new challenges in the research of energy security at present and the need to develop modern methods, models and tools