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首页> 外文期刊>Journal of Energy Storage >Economic feasibility of battery energy storage systems for replacing peak power plants for commercial consumers under energy time of use tariffs
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Economic feasibility of battery energy storage systems for replacing peak power plants for commercial consumers under energy time of use tariffs

机译：在使用关税能源时间替代商业消费者峰值电厂的电池储能系统的经济可行性

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摘要

This work assesses the economic feasibility of replacing conventional peak power plants, such as Diesel Generator Sets (DGS), by using distributed battery energy storage systems (BESS), to implement Energy Time Shift during peak hours for commercial consumers, whose energy prices vary as a function of energy time of use (ToU tariffs). The economic analysis is performed by calculating the break-even point (BEP) for four different battery technologies: (i) lead-acid (OPzS); (ii) nickel-cadmium (NiCd); (iii) lithium-ion (Li-NCA); and (iv) Redox Flow (FeCr), using the HOMER Energy software in the simulations. One case study is analyzed for a commercial consumer connected to the MV network (Campinas/Brazil). The results show that, considering the updated 2018 BESS costs, none of the types of battery analyzed is economically attractive as a replacement for DGS. However, it can be observed that a 31%, 38% and 26% reduction in the costs of OPzS, Li-NCA and FeCr batteries, respectively, makes the installation of BESS viable. It is estimated that, in a 5- to 6-year horizon, these technologies would become economically attractive as a result of the strong decrease of the expected costs for the years to come.
机译：这项工作评估了通过使用分布式电池储能系统（BESS）来替换常规峰值发电厂（如柴油发电机组（DGS））的经济可行性，以实现商业消费者的高峰时段期间的能量时间偏移，其能源价格变化能量使用时间（Tou关税）的功能。通过计算四种不同电池技术的断裂点（BEP）进行经济分析：（i）铅酸（OPZS）; （ii）镍镉（NICD）; （iii）锂离子（Li-NCA）;和（iv）氧化还原流（FECR），在模拟中使用HOMER Energy软件。分析了一个案例研究，用于连接到MV网络（Campinas / Brazil）的商业消费者。结果表明，考虑到更新的2018年BESS成本，分析的电池类型都不是经济上具有经济吸引力，作为DG的替代品。然而，可以观察到，SOPZS，LI-NCA和FECTRIES的成本降低了31％，38％和26％，使得贝尔斯的安装可行。据估计，在5到6年的地平线中，这些技术将在经济上具有经济吸引力，因此未来几年的预期成本的强劲减少。

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