The Headquarters - Administration Office (Board Office)
- General Office
- Strategic Research Office
- Department of Development and Planning
- Department of Finance & Asset
- Department of Safety Supervision
- Department of Operation & Maintenance
- Department of Marketing (Department of Rural Electrification)
- Department of Science and Technology (Global Energy InterconnectionOffice)
- Department of Construction
- Department of AC Transmission Project
- Department of DC Transmission Project
- Department of Information and Communication Technology
- Department of Procurement (State Grid Bidding Management Center)
- Department of Affiliates Management
- Department of Public Relations (State Grid Brand Building Center)
- Department of International Cooperation
- Department of Auditing
- Department of Legal Affairs
- Department of Organization (Personnel)
- Department of Human Resources
- Restructuring Office
- Department of Retirement Affairs
- Department of Logistics
- Department of Corporate Culture (co-working with Youth League and Party Committee)
- Supervision Office (co-working with the discipline team from Central Commission for Discipline Inspection of the CPC stationed in the company)
- Labor Union
- National Power Dispatching & Control Center
- State Grid Operation Monitoring (Control) Center
- Association of Enterprise Management
Beijing Power Exchange Center Co., Ltd Branches - State Grid North China Branch
- State Grid East China Branch
- State Grid Central China Branch
- State Grid Northeast China Branch
- State Grid Northwest China Branch
- State Grid Southwest China Branch
| Provincial Subsidiaries - Beijing Electric Power Company, State Grid
- Tianjin Electric Power Company, State Grid
- Hebei Electric Power Company, State Grid
- Jibei Power Grid Company, State Grid
- Shanxi Electric Power Company, State Grid
- Shandong Electric Power Company, State Grid
- Shanghai Electric Power Company, State Grid
- Jiangsu Electric Power Company, State Grid
- Zhejiang Electric Power Company, State Grid
- Anhui Electric Power Company, State Grid
- Fujian Electric Power Company, State Grid
- Hubei Electric Power Company, State Grid
- Hunan Electric Power Company, State Grid
- Henan Electric Power Company, State Grid
- Jiangxi Electric Power Company, State Grid
- Sichuan Electric Power Company, State Grid
- Chongqing Electric Power Company, State Grid
- Liaoning Electric Power Company, State Grid
- Jilin Electric Power Company, State Grid
- Heilongjiang Electric Power Company, State Grid
- East Inner Mongolia Electric Power Company, State Grid
- Shaanxi Electric Power Company, State Grid
- Gansu Electric Power Company, State Grid
- Qinghai Electric Power Company, State Grid
- Ningxia Electric Power Company, State Grid
- Xinjiang Electric Power Company, State Grid
- Tibet Electric Power Company, State Grid
Other Subsidiaries Directly Managed by State Grid- Global Energy Interconnection
- State Grid International Development Co., Ltd.
- Luneng Group Co., Ltd. (Duchengweiye Group Company)
- NARI Group Corporation (State Grid Electric Power Research Institute)
- State Grid Information & Telecommunication Technology Group Co., Ltd.
- State Grid Electric Vehicle Service Co., Ltd.
- State Grid E-commerce Co., Ltd.
- China Electric Power Equipment and Technology Co., Ltd. (State Grid Project Management Company)
- State Grid Xin Yuan Co., Ltd. (State Grid Xin Yuan Hydropower Co., Ltd.)
- State Grid General Aviation Co., Ltd.
- State Grid Supply Chain Management Co., Ltd.
- Yingda Media Investment Group Co., Ltd.
- State Grid Energy Conservation Service Co., Ltd.
- State Grid Zhongxing Co., Ltd.
- State Grid XJ Group Corporation
- State Grid Pinggao Group
- Shandong Power Equipment Co., Ltd.
- State Grid Operation Company
- State Grid DC Engineering Construction Company
- State Grid AC Engineering Construction Company
- State Grid Information & Telecommunication Technology Company
- State Grid Call Center
- China Electric Power Research Institute
- State Power Economic Research Institute
- State Grid Energy Research Institute
- Global Energy Interconnection Research Institute
- State Grid Management Academy (State Grid CPC School)
- State Grid Advanced Training Center
- State Grid Institute of Technology (State Grid Youth League School)
- State Grid Yingda International Holdings Group Ltd.
- China Power Finance Co., Ltd.
- Yingda Taihe Property Insurance Co., Ltd.
- Yingda Taihe Life Insurance Co., Ltd.
- Yingda Chang'an Insurance Brokers Group Co., Ltd.
- Yingda International Trust Co., Ltd.
- Yingda Securities Corporation Ltd.
- State Grid International Finance Leasing Co., Ltd
- State Grid Overseas Investment Co., Ltd
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