“…In smart city projects, the production and consumption model is more complex with regards to design, operation and maintenance principles, combined with the introduced new key elements such as Renewable Energy Sources (RES), energy storage, data management and prosumers [38]. In some definitions, energy management practices, such as energy storage (which can be both physical [96][97][98] and virtual [99][100][101]) are an imperative part to provide in sufficient comfort levels. The old production/consumption model should be replaced by the current, more complex model that is defined by storage and data management possibilities, central (renewable energy) production systems and synergies between a group of buildings and the energy grid [38].…”