Part I 1. Introduction 2. The Experience Curve: Concept, History, Methods and Issues 3. Implementation of Experience Curves in Energy energy-system models 4. Application of experience curves and learning to other fields Part II Case Studies 5. Photovoltaic solar energy 6. Onshore wind energy 7. Offshore wind energy 8. Grid-scale energy storage 9. Electric Vehicles 10. Power to gas (H2): alkaline electrolysis 11. Heating and cooling in the built environment 12. Concentrating solar power 13. Light-emitting diode lighting products Part III Application of Experience Curves in Modeling 14. Experience Curves in Energy Models by Lessons Learned from the REFLEX project 15. Global electric car market deployment considering endogenous battery price development Part IV Final words 16. Synthesis, conclusions, and recommendations