China Southern Power Grid Co., Ltd. (abbreviated as CSG) is an extra-large key state-owned enterprise administered by the central government, vital to national security and the lifeline of the national economy. The company is responsible for investing in, constructing, and operating the power grid in China's southern region. It also participates in the investment, construction, and operation of related inter-regional power transmission, transformation, and grid interconnection projects. CSG provides a secure and reliable power supply for five provinces (Guangdong, Guangxi, Yunnan, Guizhou, Hainan) and the Hong Kong & Macao regions. With its core focus on power transmission and distribution, the company drives the coordinated development of five strategic business units: new business sectors, international operations, industrial finance, and shared services.