Applications: Battery Energy Storage Systems (BESS)

ESS Industry Pain Points - Focusing On Commissioning And Project Planning 1.

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Tight timelines: Often caused by construction and equipment delivery delays due to supply chain issues, it takes in average more than 1,000 days to bring a BESS online in competitive markets, like ERCOT in the US Supply chain: Components from various regions lead to complex logistics, especially transformers are low in stock with leads times of up to 120 weeks in 2024 Battery Management System BMS) failures: Unreliable BMS can lead to unexpected shutdowns, dangerous situations, and issues like overcharging or deep discharging. Battery cell quality: Faulty cells can negatively impact rack performance and increase the risk of warranty claims and safety incidents. State of Charge SOC) estimation errors: Particularly challenging with LFP batteries, inaccurate SOC estimates can lead to system imbalances. Integration complexities: Underperforming auxiliary components and faulty container design define temperature and moisture levels which can lead to component damages and incidents Permitting and grid interconnection approvals: Securing necessary permits and approvals can significantly delay project timelines. In the ERCOT market, the average delay time is larger than 6 months. Knowledge and capability gaps: The rapid growth of the BESS market highlights expertise shortages among developers and storage providers

Sources: Fluence, Accure, TWAICE, IHI terrasun

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