This data has been prepared for the interlinkage of the different energy system models (GENeSYS-MOD, GeoMEC, and JRC-EU-TIMES-OP). The data set consists of three main types: Downscaled final energy demands by fuel type from NUTS-0 level of GENeSYS-MOD to NUTS-2 level, and adapted to the fuel categories of GeoMEC Downscaled final energy demands by transport sector Average hourly electricity demand profile indicating the relative distribution of direct electricity demand of the transport sector This is the first data set of this transport sector data collection but will be improved in the beginning to 2026 to match all requirements for the project. These requirements are continuously discussed with the collaborating teams in the iDesignRES project.