适应可再生能源消纳的储能技术经济性分析  

Economic assessment for energy storage technologies adaptive to variable renewable energy

作　　者：刘坚[1] LIU Jian(National Renewable Energy Center,National Development and Reform Commission,Beijing 100038,China)

机构地区：[1]国家发展和改革委员会能源研究所,国家可再生能源中心,北京100038

出　　处：《储能科学与技术》2022年第1期397-404,共8页Energy Storage Science and Technology

摘　　要：低成本储能技术是碳中和目标下高渗透率可再生能源系统的重要支撑技术。现有储能技术经济性研究一般基于储能产品技术参数评估平准化充放电成本(LCOS),缺少结合具体应用工况的储能技术路线对比分析。在未来以新能源为主体的新型电力系统中,储能的运行工况将发生明显变化,技术经济性定量预测研究是储能技术路线选择和激励政策设计的重要参考依据。本文尝试以国内西部地区新能源配置储能为案例,以LCOS为主线定量分析各类储能技术在新能源消纳应用场景下的成本变化趋势,并评估系统调峰时长、调峰频次、可再生能源弃电率等因素对储能需求规模及其LCOS的影响。Low-cost energy storage is the pivot to future energy systems with a high variable renewable energy(VRE)penetration.Current economic studies on the energy storage measured by the levelized cost of storage(LCOS)are normally based on the technical specifications of storage products rather than on real-life operation conditions.The LCOS is highly influenced by the changing operation conditions when the VRE increases.This study focuses on the LCOS comparisons of various energy storage technologies based on provincial case studies in the western part of China,where the VRE has become the mainstream in the electric power supply.The key factors that are likely to influence the LCOS(e.g.,power system regulation duration,regulation frequency,and VRE curtailment)are investigated individually herein.

关 键 词：电化学储能 抽水蓄能 氢能 充放电平准化成本 波动性可再生能源 

分 类 号：TK02[动力工程及工程热物理]