电网结构的逐步加强和智能电网技术的不断进步，为电力大规模流动提供了基础。对美国、俄罗斯和巴西等国家及欧盟各国的电力流向现状及发展趋势进行了分析和总结，提出了电力流向的主要影响因素，并针对我国实际情况，给出了国外电力流向发展方向对我国电力工业发展的启示。

The strength of grid structure and the constant process of smart grid technology both provide the basis for large-scale power flow. This paper analyzed and summarized the status and trend of power flow development in USA, EU, Russia and Brazil, and got the main influencing factors of power flow. According to the actual situation in China, an enlightenment from development of power flow overseas was suggested for the electric power industry in China.