About GEM-E3 is an applied general equilibrium model maintained by the JRC since 2003. The model covers the interactions between the economy, the energy system and the environment. It is a collaborative effort by various modelling groups used by several Directorates-General of the European Commission. Model overviewPublicationsDocumentation Contact us matthias [dot] weitzelec [dot] europa [dot] eu (Matthias WEITZEL) rafael [dot] garaffaec [dot] europa [dot] eu (Rafael GARAFFA)