China Southern Power Grid Company Limited (English: China Southern Power Grid Company Limited)  China Southern Power Grid (HEREINAFTER referred to as China Southern Power Grid) is a central enterprise supervised by State-owned Assets Supervision and Administration Commission of the State Council, headquartered in Guangzhou, which is an oversized key state-owned enterprise related to national security and the lifeblood of national economy.  

Company was founded on December 29, 2002 and started operation, power supply area of guangdong, guangxi, yunnan, guizhou and hainan provinces and Hong Kong and Macao regions, is responsible for the investment, construction and management of the southern regional power grid, the related power transmission and distribution business, investment, construction and management related cross-regional transmission and network engineering;  Engaged in electric power purchase and sale business, responsible for electric power transaction and dispatching;  Engaged in domestic and foreign investment and financing business.   

In the fortune Global 500 in 2021, China Southern Power Grid Co., Ltd. ranked 91st.