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Jointly used electricity storage in the community

In cities, the joint storage of electricity in so-called community energy storages can be a valuable addition to the energy system of the future. However, if the community energy storage is used solely to increase self-consumption, profitable business models are hardly possible. The article describes potential grid- and system services that can be provided by the community energy storage in addition to increasing self-consumption in a multi-use context. Among these, the most promising technologies are electric vehicle charging, peer-to-peer electricity trading, and participation in the balancing energy market. In addition, using an exemplary neighborhood, it is shown that by flexibly adjusting storage capacities allows to use a significant portion of the storage capacity with only minor impacts on self-consumption and self-sufficiency.

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