Energy management and carbon footprint monitoring. What data governance for intelligent energy management at the scale of a building, a district, a territory? How can we best adapt over time the energy needs of citizens or communities of citizens to energy resources while taking into account different factors such as price, carbon footprint, uses, weather, etc.? How can we share all of this data specific to different stakeholders for different uses with the aim of shared optimization of energy resources while ensuring the best service to users?