What is the relationship between State Grid Shanghai Electric Power Company and Shanghai Electric Power Company?

State Grid Shanghai Electric Power Company is a wholly-owned subsidiary of State Grid Corporation. According to relevant data, State Grid Shanghai Electric Power Company is a super-large enterprise engaged in Shanghai electric power transmission, distribution and sales. It dispatches Shanghai power grid in a unified way, participates in the formulation and implementation of Shanghai power grid development planning and rural electrification, and supervises and guides the city's safe and economical electricity consumption.