Grid compatible ramp up of large-scale battery storage systems

The development of large-scale battery storage projects is currently booming. The four transmission system operators alone have now received over 220 GW of grid connection requests. On the one hand, this strong growth is desirable as it provides urgently needed flexibility for the energy system of the future. On the other hand, it also brings challenges for all stakeholders involved. Together with green flexibility, we have investigated initial solutions that should enable efficient and effective integration into the energy system.

Over the course of the project, we spoke to several grid operators and project planners who are already testing solutions to enable a certain degree of grid-neutral integration of battery storage systems. In the current discussion, it is noticeable that the solution approaches are little known and when they are discussed, terms such as grid-supportive, grid-compatible and grid-neutral are mixed up. This white paper provides information on the main points of discussion in the current debate and structures them by

• providing an overview of current challenges,
• defining important terminology,
• presenting examples of solutions from practice, and
• classifying these and naming opportunities for further development.

The entire study can be found in the download section of this article.