Analysis of China's Green Electricity Trading Issues and a Market Clearing Model Considering Green Electricity Participation

China has established a green electricity trading mechanism. Wind and photovoltaic power generation companies can bundle their energy with green power certificates and sell them to electricity users. Through green electricity trading, electricity users have achieved consumption of renewable energy. However, there are still many problems with the green electricity trading mechanism at present. In the actual transaction organization process, green electricity trading is also organized separately from conventional energy trading. This article summarizes the current situation of green electricity trading in China and analyzes the problems that exist in green electricity trading. Finally, a centralized bidding transaction for all types of power sources was established with the participation of green power.