How big is the photovoltaic high-voltage grid connection in Shanghai?

Distributed photovoltaic over 400kW. According to "Shanghai High-voltage Distributed Power Access System Specification", users of the same distributed power supply with the final installed capacity of 400kW or above in the same point of common coupling should access the power grid through 10kV high voltage, and the development department will organize relevant departments to examine and approve the access system scheme.