The general objective of plan4res is to fill the gaps between the increasing complexity of the future energy system planning and operational problems and the currently available system analysis tools. Enhanced end-to-end planning and operational tools dealing with technological and market uncertainty, emerging technologies and increased sector coupling of multi-energy vectors such as heat, cold and transport will be assembled in a synergistic approach to support European system planners, operators, decision makers, regulators. The framework is divided into investment models, operation simulation models and analysis models. Having separate models allows using the most promising techniques regarding mathematical formulation and solving methods for each specific model, thus increasing the computational efficiency. The plan4res models will be hosted on an IT platform which will provide seamless access to data and high-performance computing resources, catering for flexible models and workflows. Therefore, a database of public data will be constructed, and three exemplary case studies will be performed to highlight the tool’s adequacy and relevance. The objective of WP4 is to provide the needed input data to the Plan4Res tool. Datasets will be needed for the following uses: (i) perform the case studies defined in WP2; and (ii) provide a public data set within the format of the Plan4Res tool. The present deliverable describes the public repository used to store public data as well as the data format, the transformations used in each case study, and the full process we applied to obtain the public data from the raw data.