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National energy efficiency is a key driver for the sustainable development of society. However, the conditions for increasing energy efficiency vary widely around the world and depend on numerous controllable and uncontrollable factors. Existing indicators for assessing energy efficiency typically focus on individual factors, neglecting the complex interplay of socioeconomic, environmental, technological, and other factors that influence energy efficiency. This limitation hampers the quality of assessments. The goal of this study is to develop and apply a comprehensive methodological approach for assessing the influence of key factors on energy efficiency across different countries. The approach utilizes factor analysis methods to identify correlations between indicators and energy-efficiency factors. The study’s findings offer a model for assessing energy efficiency that enables a more profound and comprehensive analysis of the multifactorial impact experienced by national economies in various energy-efficiency domains and areas.
Nevskaya et al. (Wed,) studied this question.