Abstract: The disclosure relates to a device configured to optimize an energy storage strategy of a community comprising a plurality of households. Further, the disclosure relates to a cloud computing device configured to optimize an energy storage strategy of a community comprising a plurality of households. Further, the disclosure relates to an electric vehicle associated with a household in a community comprising a plurality of households, the electric vehicle comprising a battery aging model indicative of a battery aging status of a battery pack of said electric vehicle. Further, the disclosure relates to methods directed to optimize energy storage of households and communities.