The project aims at developing a standardized method to improve energy performance of the public water infrastructure of the territories involved within the consortium, through systematical identification of energy performance improvement opportunities, pilot actions implementation, personnel capacity building improvement and big data based optimization along with the integration of renewable energies. Moreover, the project will focus on: a) the identification, analysis and further harmonization of innovative tools/concepts/frameworks to remove the barriers that hamper the existing demand and offer cycle for a wide range of water technologies and services; b) identification of the best requirements for implementing innovative energy services and financial schemes. The researched is addressed at looking for partners belonging to the Central Europe Programme Area. (Objective 2.1 - Improving Energy Efficiency in public infrastructure)