The Proseu project showed that the technical potential of prosumers in Europe is very high. In the residential sector, prosumer technologies for both heat and electricity can supply a large part of the energy by 2030. The question is therefore, how can this potential also be raised and a mainstreaming of prosumer technologies be supported? The presentation shows that self-consumption, energy communities and the local use of energy through sharing offer good arguments and lines of action for the selection of technologies for prosumers.