Make money. The national electric power project is a huge project. If it is not profitable, no one will contract. If the project management is up to standard, the profit can be about 20% of the project cost. According to the characteristics of the existing distribution network in Tianjin, State Grid Tianjin Electric Power creatively proposed a "snowflake-like" advanced power grid structure to meet the new requirements of the development of energy Internet, with completely independent intellectual property rights.