 The energy transition is a major priority for the European Union, with public authorities playing a key role in its implementation. Company strategies and directives are now largely influenced by the need to achieve climate neutrality, which has been made possible by the political drive behind the transition. This paper provides an overview of the current state of energy security in Europe and Romania, focusing on the transition's impact on sustainability, both environmentally and socially. It uses a combination of methods including historical analysis, logical reasoning, bibliometrics, and graphical representation to demonstrate the importance of the topic and its growing relevance among researchers. The results show that the transition is having a positive effect on the EU's ability to become independent from a single energy provider, while simultaneously addressing issues of energy poverty and environmental protection. This article was authored by Diana Joyde, Mirela Panate, Carmen Elena de Broda, and others. We are article.tv, links in the description below.