In addition to a battery storage system, it can also be locally operated, and generate and operate local networks offering the user decisive advantages including increased resilience, a sturdy design, and security. This especially includes the seamless continued operation of the system in the event of a supply network failure.

Thanks to the decreasing costs of energy storage, PV-coupled storage applications are becoming increasingly attractive for a wide range of applications.

The cost and energy efficiency of AC-coupled battery systems for high voltages depends on the performance electronics required for connecting the battery to the power supply system. This article discusses the requirements and dependencies for a single-level approach which can save costs and increase system efficiency.