The article focuses on the concept of energy diplomacy. It was proved that the European vector of Russia’s current foreign policy is characterized by an ability to use the energy factor as a tool of power and impact to promote and consolidate the Kremlin’s geopolitical interests in Europe. This article reviewed the political technologies of Russian energy diplomacy in the European space such as uncompromising position during negotiations and predetermined before achieving the results, political exchange, technology of “surprise effect”, barbell strategy, pipeline diplomacy, suppression of competitor and others. The issue of EU–Russian energy conflict communication is in the centre of research. It was analyzed the algorithm of Russia’s actions positioning itself as an energy superpower in building up the socalled system of power relationship on the Eurasian continent. It was presented in the article possible options for European states’ effective countering energy expansionism of Russia.