基于等效能折算的储能电站广义成本研究

doi:10.11930/j.issn.1004-9649.202009092

中国电力 ›› 2022, Vol. 55 ›› Issue (4): 192-202.DOI: 10.11930/j.issn.1004-9649.202009092

基于等效能折算的储能电站广义成本研究

修晓青¹, 李相俊¹, 王佳蕊², 谢志佳¹, 吕项羽²

1. 新能源与储能运行控制国家重点实验室（中国电力科学研究院有限公司），北京 100192;
2. 国网吉林省电力公司电力科学研究院，吉林长春 130021

收稿日期:2020-09-12 修回日期:2021-12-05 出版日期:2022-04-28 发布日期:2022-04-24
作者简介:修晓青（1983—），女，通信作者，博士，工程师，从事储能技术研究及应用，E-mail：xxq1118@163.com;李相俊（1979—），男，博士，高级工程师（教授级），从事大规模储能技术、新能源与分布式发电、电力系统运行与控制研究，E-mail：li_xiangjun@126.com
基金资助:
国家电网有限公司科技项目（储能融合火电机组参与电网调峰辅助服务的源储网协调运行关键技术研究及应用，2018 GWJLDKY02）

Generalized Cost Study of Energy Storage Power Station Based on Equivalent Efficiency Conversion

XIU Xiaoqing¹, LI Xiangjun¹, WANG Jiarui², XIE Zhijia¹, LV Xiangyu²

1. State Key Laboratory of Operation and Control of Renewable Energy & Storage Systems (China Electric Power Research Institute), Beijing 100192, China;
2. Jilin Electric Power Research Institute, Changchun 130021, China

Received:2020-09-12 Revised:2021-12-05 Online:2022-04-28 Published:2022-04-24
Supported by:
This work is supported by Science and Technology Project of SGCC(Research and Application of Key Technologies for Source-Storage-Grid Coordinated Operation of Energy Storage Integrated Thermal Power Units Participating in Grid Peak Shaving Auxiliary Services, No.2018 GWJLDKY02）

摘要/Abstract

摘要： 储能技术是应对高比例新能源电力系统安全问题的关键技术之一。现阶段，成本因素制约了储能规模化商业应用。为此，针对不同类型储能电站广义成本问题，考虑不同类型储能效率、寿命的差异，以等效能折算为前提，分析储能全寿命周期进程中建设与运行特性的差异，构建基于等效能折算的储能全寿命周期成本模型与平准化电力成本模型；比较分析近年来投运/规划的抽水蓄能、锂离子电池储能、铅炭电池储能、全钒液流电池储能项目建设周期、征地成本等参量；对4种类型储能广义成本进行纵向、横向评估，讨论储能电站年充放电循环次数、充电电价、投资成本的变化对广义成本的影响。研究结果可为储能系统的选型规划提供参考。

关键词: 储能技术, 广义成本, 等效能折算, 全寿命周期成本, 平准化电力成本

Abstract: Energy storage is one of the key technologies to improve the security of modern power system with a high proportion of new energy sources. Unfortunately, the cost of energy storage system has restricted its large-scale commercial application so far. Therefore, in view of the generalized cost of different types of energy storage power stations, by taking their efficiency and lifetime into account, the discrepancies of construction and operating characteristics throughout the entire life cycle between each type of energy storage is analyzed. The full life cycle cost model and levelized cost model of energy model are constructed respectively based on the concept of equivalent efficiency conversion. The project construction period and land acquisition costs of energy storage projects which have been put into operation or planning in recent years, such as pumped storage, lithium-ion battery energy storage, lead-carbon battery energy storage, and vanadium redox flow battery energy storage, are analyzed comparatively. By introducing factors such as project construction period and land acquisition cost, the generalized costs of four types of energy storage are evaluated horizontally and vertically. The impact of changes in terms of the number of charge and discharge cycles, charging electricity price, and investment cost of energy storage power stations on the generalized cost are discussed. The research results can provide helpful references for the selection and planning of energy storage systems.

Key words: energy storage technology, generalized cost, equivalent efficiency conversion, life cycle cost, levelized cost of energy

修晓青, 李相俊, 王佳蕊, 谢志佳, 吕项羽. 基于等效能折算的储能电站广义成本研究[J]. 中国电力, 2022, 55(4): 192-202.

XIU Xiaoqing, LI Xiangjun, WANG Jiarui, XIE Zhijia, LV Xiangyu. Generalized Cost Study of Energy Storage Power Station Based on Equivalent Efficiency Conversion[J]. Electric Power, 2022, 55(4): 192-202.

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基于等效能折算的储能电站广义成本研究

Generalized Cost Study of Energy Storage Power Station Based on Equivalent Efficiency Conversion

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基于等效能折算的储能电站广义成本研究

Generalized Cost Study of Energy Storage Power Station Based on Equivalent Efficiency Conversion

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