With the transition to a carbon-neutral society and the increasing adoption of electromobility, the infrastructure for charging electric vehicles is also expanding. Particularly on busy transit routes, highly powerful ultra-fast charging stations, which enable rapid vehicle charging, are rapidly spreading. Fast charging of electric vehicles is a key aspect of the development of modern mobility, but its efficiency is heavily dependent on various factors. The dynamics of fast charging are not constant, as it generates peaks in power consumption, which can pose a significant burden on the electrical grid. In an effort to optimize and reduce these peaks, we have explored the use of battery energy storage systems. In our study, we examined the method of calculating network fees and, through various methods, assessed the economic feasibility of investing in a battery storage system for the purpose of reducing peak power demand. The analyses revealed that due to the high initial investment, the combination of a battery storage system with ultra-fast charging stations for peak power reduction is not justifiable.
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