There is a rich literature on the economic importance of energy. Yet, little has been achieved to harmonize core economic theory with energetic principles. This paper proposes a theoretical framework that might prove valuable to do so, based on a slight conceptual modification of the neoclassical economic problem. By conceiving its necessary condition not as desires but as gaps between desired and spontaneous states of material reality, an extension of economic imperialism towards the realm of energetics is enabled. When the origin of the economic problem is placed on physical divergences, goods are exposed as specific material configurations that close gaps. And as material rearrangements can only be achieved through energy transferred by ...