Germany’s only solar thermal tower in Jülich is facing challenges with its mirror system, impacting its ability to efficiently store solar energy for later electricity generation. The tower functions by concentrating sunlight to create heat, which is then stored and used to produce power. Operational data is currently being collected to refine the complex control mechanisms governing the mirror alignment and heat storage processes. These difficulties are hindering optimal performance and the realization of the tower’s full potential. Researchers hope that analyzing real-world data will lead to improvements in the system’s control and overall efficiency. The Jülich facility represents a key research project in concentrated solar power technology within Germany. Addressing these technical hurdles is crucial for the future viability of solar thermal energy storage.