E4: Energy, Engineering, Economic and Environment. A comprehensive assessment.
S: Systems. Approaches that look at the interactions between components of a system to capture its functioning as a whole.
M: Modelling. Case-specific representation of the “key” system features which makes use of a formal language for the realisation of exploratory, simulation, optimization decision-support tools.
A: Analysis. Integrated impact assessment of technological, economic, policy, environmental components of current and future energy systems.