Purpose: This primer teaches the foundational concepts behind energy-economy-environment (E3) modeling, then shows how different modeling approaches tackle the concrete questions that drive climate and energy policy. It is designed for readers with a quantitative background who are new to the field.
How to use this document: Parts I–III build the conceptual toolkit — economics, mathematics, and energy systems. Part IV is the heart: eight policy questions, each analyzed through multiple modeling paradigms that often give different answers. Part V covers practical integration. Appendix E provides standalone one-page profiles of each modeling paradigm, referenced throughout.