Review on transaction status and relevant policies of southern route in China's West–East Power Transmission

China's West–East Power Transmission is aimed at optimizing resources allocation, and promoting the common economy development of both east and west regions. However, some problems emerged in cross-province electricity trade in recent years. It is in great need of trading mechanism improvements for government and power grid enterprises to further improve parties' enthusiasm involved in West–East Power Transmission. This paper takes south route as the research object, and in-depth analysis of benefits distribution of current southern route is made as well as problems in tariff mechanism, and the impact of national policy and industry development on West–East Power Transmission is elaborated. Finally, all the factors related to the smooth progress of West–East Power Transmission are consolidated to offer some constructive ideas.