ENERGISE is a project that aims to support Europe's transition to a decarbonized energy system through understanding factors influencing individual and collective energy choices. It will comprehensively cover energy consumption across the European Union by classifying energy initiatives in 30 countries. This information will inform the design and rollout of two Living Labs in eight countries to reduce household energy use. The Living Labs will test innovative yet culturally sensitive tools and methods to change energy consumption behaviors at individual and community levels. ENERGISE seeks to provide decision-makers with effective measures to green and reduce energy use through social science research focused on the socioeconomic, cultural, political and gender dimensions of the energy transition.