As an important state-owned backbone enterprise related to national energy security and the lifeline of national economy, State Grid Corporation takes power grid construction and operation as its core business and undertakes the basic mission of ensuring safer, more economical, cleaner and sustainable power supply. The business scope covers 26 provinces (autonomous regions and municipalities directly under the central government) and covers 88% of the country's land area. The company implements the general manager responsibility system, and the general manager is the legal representative of the company.