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Political objectives and legal framework for Community Electricity Storage Review of current frameworks and discourses

In the context of security of supply, climate protection and the energy transition, the authors discuss economic aspects and state support of battery storage systems in Germany and link these observations to the European Union’s positioning. It becomes apparent that specific statements about Community Electricity Storage are hard to find and it is therefore necessary to derive political goals from general statements about electricity storage systems. Energy storage systems are commonly regarded as an important basis of future energy grids and are hence part of various support initiatives in science, development and production, in Germany as well as on a European level.  However, it remains to be seen to what extent those general tendencies can be applied to Community Storage Systems in the future, especially because an appropriate regulatory framework is still missing. In a second step, the authors seek to define this current legal framework for energy storage systems in general and Community Electricity Storage in particular. They mainly discuss the lack of a uniform and consistent definition of battery storage systems in German energy law and the ensuing ambiguity and doubling of fees, levies and taxes. In many application areas Community Electricity Storage are at a disadvantage as they are simultaneously classified as final consumers and producers and consequently need to pay many of the necessary levies twice. Furthermore, the working paper explains the many complex constellations of domestic production, discusses the possibility of a multi-use Community Electricity Storage and reviews the legal requirements for the supply of control energy. This combination of ancillary and network services, domestic production and further possible services is not yet included in the legal framework and thus complicates the application of Community Electricity Storage systems outside of research projects.