According to China Power News Network, China Southern Power Grid Corporation has always insisted on promoting core technology innovation and business model innovation, and early application of blockchain technology in the energy field. In Zhuhai, the Guangdong Power Grid Corporation Zhuhai Power Supply Bureau launched a pilot demonstration of a green card trading platform based on blockchain technology. In Shenzhen, Nanwang Electric Vehicle Co., Ltd. opened the first electronic invoice for the charging electricity block blockchain on January 31 this year. As of yesterday, it has issued more than 5,000 copies. It is understood that in the domestic and international energy fields, blockchain technology is mostly used to solve problems such as renewable energy consumption and power distribution transactions. The Green Card Trading Platform established by Zhuhai Power Supply Bureau in the city-park dual-level “Internet +” smart energy demonstration project supporting the energy consumption revolution combines green certificate trading with blockchain technology to realize distributed resource users. The green certificate purchaser and other different subject identity security certification and green card transaction efficient operation.