DIGITISE aspires to enable the digital literacy and empowerment of consumers/ prosumers as well as the active engagement in digital energy activities and markets and the obtainment of an active role in the energy transition. It brings together proven know-how and tangible expertise around energy systems and flexibility services, energy markets and transactions, social/ human engagement in digital ecosystems. It integrates advanced technologies for Innovative Cross-Sector Services, Digital Twins, DLT-enabled Marketplaces, AI Analytics and Big Data Management, Interoperability and Security, into a holistic end-to-end consumer empowerment framework that will be extensively validated in 1 well and long established Living Lab and 4 large-scale demonstration sites in Greece, Spain, Croatia and Ireland involving the required actors (consumers, prosumers and the business actors: Retailers/Aggregators/LECs), diverse, cross domain data sources, heterogeneous energy and non-energy systems/assets, and multi-variate climatic and socio-economic characteristics.