Key aspects of European policy, the low carbon transition and energy sovereignty programmes converge on many issues. Rising geopolitical tensions, the European energy crisis of 2022 and heightened international trade tensions have contributed to this convergence. At first glance, it seems obvious: Europe, which is structurally dependent on fossil fuel imports, has an interest in accelerating the decarbonisation of its energy mix in order to reduce its hydrocarbon imports. Nevertheless, the progress of the transition-sovereignty pairing remains a path fraught with obstacles.