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This paper reports on the approach for the design and development of the H2020 ChArGED project framework. ChArGED addresses energy wastage and proposes a framework that aims to facilitate achieving greater energy efficiency in public buildings. The framework leverages IoT-enabled low-cost devices, to improve energy disaggregation mechanisms that provide energy use and -consequently- wastage information at the device, area and end-user level. The identified wastages are concurrently targeted by a gamified application that feeds personalized real-time recommendations to each individual enduser. The ChArGED solution is being developed iteratively, with the end-users' engagement during the analysis, design and development phases in public buildings located in 3 different countries: Luxembourg (Musée National d'Histoire et d'Art), Spain (EcoUrbanBuilding, Institut Català d'Energia headquarters, Barcelona) and Greece (General Secretariat of the Municipality of Athens).
Dimitriou et al. (2018) studied this question.