According to the investigation of enterprises, State Grid Corporation Limited is a wholly state-owned company directly managed by the central government established in accordance with the Company Law, and it is a super-large key state-owned enterprise related to the lifeline of the national economy and national energy security. The core business of the company is to invest in power grid construction and operation, and undertake the basic mission of ensuring safe, economical, clean and sustainable power supply. The company's business area covers 26 provinces (autonomous regions and municipalities directly under the Central Government), covering more than 88% of the country's land area, and the power supply service population exceeds 1 1 billion. The company has a registered capital of 829.5 billion yuan and total assets of 3,808.83 billion yuan. The company operates assets stably in the Philippines, Brazil, Portugal, Australia, Italy, Greece, China, Hongkong and other countries and regions. The company has been rated as an A-level enterprise in the performance appraisal of central enterprises for 14 years. From 20 16 to 20 18, it ranks second in Fortune Global 500, and is the largest public utility enterprise in the world.