The total investment of the project is about RMB 450 million. The 50MW high-efficiency crystalline silicon battery modules are installed on the roofs of 23 large and medium-sized enterprises with a total area of 539,175 m2 in Tonglu Economic Development Zone. It is estimated that the annual power output will be 47 million kWh, and about 70% of the power will be used by the enterprises themselves; CYG ET completed the construction of the overall cloud platform of the project, and realized the remote operation & maintenance monitoring, summary and analysis of the PV array data on each roof through the PRS-3000G PV operation and maintenance system, guiding users to organize specific business development.