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A feasibility study on integrating large-scale battery energy storage systems with combined cycle power generation - Setting the bottom line

机译：将大型电池储能系统与联合循环发电相集成的可行性研究-设定底线

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摘要

Strong attention has been given to the costs and benefits of integrating battery energy storage systems (BESS) with intermittent renewable energy systems. What's neglected is the feasibility of integrating BESS into the existing fossil-dominated power generation system to achieve economic and environmental objectives. In response, a life cycle cost-benefit analysis method is introduced in this study taking into consideration three types of battery technologies, namely, vanadium redox flow battery, zinc bromine flow battery, and lithium-iron-phosphate battery. The objective is to evaluate the life cycle carbon emissions and cost of electricity production by combined cycle power generation with grid-connected BESS. Findings from the Singapore case study suggest a potential 3-5% reduction in the life cycle carbon emission factors which could translate to a cumulative carbon emission reduction of 9-16 million tonnes from 2018 to 2030 from electricity generation. Grid-connected BESS could reduce the levelized cost of electricity by 4-7%. A synergistic planning of CCGT and BESS could theoretically reduce the system level power generation capacity by 26% albeit a potential increase in the overall capital cost at the current cost of batteries. The projected battery cost reduction is critical in improving the feasibility of large-scale deployment. (C) 2019 Elsevier Ltd. All rights reserved.
机译：将电池能量存储系统（BESS）与间歇性可再生能源系统集成在一起的成本和收益得到了极大的关注。被忽略的是将BESS集成到现有的以化石为主的发电系统中以实现经济和环境目标的可行性。因此，本研究引入了生命周期成本效益分析方法，其中考虑了三种类型的电池技术，即钒氧化还原液流电池，溴化锌液流电池和磷酸铁锂电池。目的是通过联合循环发电与并网的BESS评估生命周期的碳排放量和发电成本。新加坡案例研究的结果表明，生命周期碳排放因子可能减少3-5％，这可能意味着从2018年到2030年发电量累计减少碳排放量9-16百万吨。并网的BESS可以将平均电力成本降低4-7％。从理论上讲，CCGT和BESS的协同计划可以使系统级发电能力降低26％，尽管以当前电池成本计算的总体投资成本可能会增加。预计的电池成本降低对于提高大规模部署的可行性至关重要。 （C）2019 Elsevier Ltd.保留所有权利。

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