Trans-province power trading is an important way to achieve optimal allocation of power resources in China. At present, the government, enterprises and academia mainly study the modes, varieties and methods of trans-provincial and trans-regional transactions, and have insufficient analysis of the resource allocation mechanism and actual effects formed by different types of transactions. To some extent, this situation affects the further effective development of trans-provincial and trans-regional power transactions. This paper analyzes the varieties and channels of trans-provincial and trans-r...