Part A: Report of the results and recommended course of action (dena) Part B: Executive Summary of the Expert Report (ewi Energy Research an Scenarios gGmbH) The dena Study Integrated Energy Transition develops and compares transformation paths for the energy system in Germany to achieve the climate policy targets of the German government by 2050. It outlines paths using an innovative, cross-sectoral scenario approach. At the same time, it builds on the deep industry knowledge of more than 60 study partners from all relevant sectors as well as on the continuous exchange with key players from politics, society and science. The aim is to review and supplement energy industry analyses with assessments of implementation challenges and social issues.