Pricing of exchanges within energy communities. Application to the MeryGrid case.

Abstract

With the energy transition, and in particular the development of renewable energy and storage systems, new electricity local market models arise, such as energy communities. An energy community consists of an association of entities, where each entity can produce, sell and distribute energy among the community. The objective of this work is to study energy communities and in particular how exchanges within the community could be priced to guarantee the viability of the community. To achieve this objective, we first study the legislation in Belgium and in Europe, present some existing energy communities and summarize some pricing models proposed in the literature. Finally, we apply one of these pricing models to a test case inspired by the Belgian energy community MeryGrid in order to study how each participant benefits from the community with this pricing model and what is the impact of some parameters in the model on the behaviours of the participants. In particular, we compute the value of the storage system for the community and estimate the gain for the storage owner in order to check if the storage investment in the community was profitable.