CSG headquarters has 20 functional departments, as well as the Electric Power Dispatching and Control Center, and manages 5 branches, 13 wholly-owned subsidiaries and 9 holding subsidiaries, with a total of nearly 276,000 employees.
The 5 branches are: CSG EHV Power Transmission Company, CSG Party School (CSG Talent Development Center, CSG Leadership Learning Academy, CSG Craftsman Training Academy), CSG Beijing Company, CSG Shared Operations Company (CSG Auditing Center, CSG Pension Center, CSG Archives), and CSG User Ecology Operations Company.
The 13 wholly-owned subsidiaries are: CSG Guangdong Power Grid Corporation, CSG Guangxi Power Grid Corporation, CSG Yunnan Power Grid Corporation, CSG Guizhou Power Grid Corporation, CSG Hainan Power Grid Corporation, CSG Shenzhen Power Supply Co., Ltd., CSG Industrial Investment Group Co., Ltd., Southern Dingyuan Assets Operation Co., Ltd., CSG Capital Holdings Co., Ltd., CSG International Co., Ltd./CSG International (Hong Kong) Co., Ltd., CSG Digital Power Grid Group Co., Ltd., CSG Supply Chain Technology (Guangdong) Co., Ltd., and CSG Energy Development Research Institute Co., Ltd. (CSG Reform and Development Research Center).
The 9 holding subsidiaries are: CSG Energy Storage Co., Ltd., CSG Energy Efficiency & Clean Energy Co., Ltd., CSG Finance Co., Ltd., Dinghe Property Insurance Co., Ltd., CSG Lancang-Mekong International Co., Ltd., CSG Electric Power Research Institute (SEPRI), Guangzhou Power Exchange Center Co., Ltd., CSG Digital Media Technology Co., Ltd. (CSG News Center), and CSG New Electric Power System (Beijing) Research Institute Co., Ltd.