The debate on the dependence of Germany, and all European states in general, on Russian energy supplies has intensified and broadened in recent years, due to both a political debate on energy transition and ecology, and as a result of more sensitive political and energy security issues following various crises occurred as a consequence of disputes between Russia and Ukraine since 2006.1 This situation prompts the question of why Germany has become the European largest importer of energy from Russia, and how much and why it has suffered and continues to struggle with the consequences of the Russian supply cut that was implemented following the Russian aggression in Ukraine, which has been ongoing since February 2022.