市场化导致了传统电力系统垂直管理体制的变化 ,备用容量大小的确定及其调度方法也将随之发生改变。介绍了市场环境下备用容量分类及其大小的确定方式 ,并对单独运行的辅助服务市场及电量、备用联合调度市场进行了较为详尽的阐述。在对现有备用政策进行分析的基础上 ,提出了市场环境下备用调度的可能改进方向 The marketization has led to the change of the vertical management system of the traditional power system. The determination of the size of spare capacity and its scheduling method will also change. The classification of reserve capacity and the way of determining its size in the market environment are introduced. The market of auxiliary services and the market of combined power and backup in separate operation are described in detail. Based on the analysis of the existing back-up policy, this paper proposes some possible ways to improve the standby scheduling in the market environment