The European energy market is in transition. After decades of relatively stable regional gas relations, energy geographies have been fundamentally altered in the wake or Russia’s war on Ukraine. Now, Russia’s exports of gas to Europe are back to the levels witnessed in the mid-1970s, and the country has been downgraded to a marginal supplier. At the same time, new energy players made a forceful entry into European markets, including LNG exporters from the US. In its quest to decarbonize their economies and energy import structures, Europe’s energy system is undergoing massive changes, which raises new questions related to market power, (clean) technology leadership and energy partnerships. The present workshop seeks to bot map and theorize about this double transition in light of a reordering hegemony in the European energy space. It brings together researchers and scholars from Kings’ Russia Institute and its Political Economy Department, the UE Research Group Security and Capitalism, as well as from Germany’s university and think tank community.