In a battery energy storage system with a capacity of 350 megawatt hours (MWh) in Europe, the actual output energy was significantly lower than expected due to cell inconsistencies. The battery management system failed to detect the hidden danger, resulting in a long-term overvaluation of tradable power, with a balance cost exposure of up to 110000 euros (about $127700) per week.
such failure cases in real operation are one of the key points of the “battery business and development forum” to be held on April 1.
According to ESS News, the benefits of the above-mentioned European energy storage facilities have not met expectations. Further analysis shows that the actual situation may be more severe than it seems…
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