This chapter provides a new definition of wealth in terms of its primary and only physically productive input, namely force/energy. Energy rentsEnergy rents are the result of applying force within a setting defined by conventional labor (supervisory input) and capital (tools and equipment). Income distribution is then defined as the apportionment of these rents among the various stakeholders. Formally, the owners of energy, labor and capital bargain cooperatively over the resulting energy rentsenergy rents.