🇨🇳 China Electrical Grid
Reference profile of the China electricity grid — grid frequency, synchronous area, and the main transmission & distribution operators with their operating voltages. Compiled from the TransformerPath worldwide grid census.
Grid operators
State Grid Corp of China (SGCC)World's largest utility — 5+ sync regions tied by UHV DC; 1000 kV UHV AC Record updated 11 July 20261000 kV / ±1100 kV DCSite →
China Southern Power Grid (CSG)Guangdong, Guangxi, Yunnan, Guizhou, Hainan Record updated 11 July 2026500 kV / ±800 kV DCSite →
Related TransformerPath
Transformer-relevant projects
- Changji–Guquan ±1100 kV UHV DC transmission project · ±1100 kV HVDC · energized
- Hami–Chongqing ±800 kV UHVDC project · ±800 kV HVDC · energized
- Tibet–Guangdong (Xizang–Greater Bay Area) ±800 kV UHVDC project · ±800 kV HVDC · construction
- Gansu–Zhejiang ±800 kV UHVDC transmission project · ±800 kV HVDC · construction
- Ningxia–Hunan ±800 kV UHVDC project · ±800 kV HVDC · energized
- Longdong–Shandong ±800 kV UHVDC project (Gansu green power corridor) · ±800 kV HVDC · energized
- Qinghai–Henan ±800 kV UHVDC project · ±800 kV HVDC · energized
- Mengxi–Beijing–Tianjin–Hebei ±800 kV UHVDC project · ±800 kV HVDC · construction
- Zhangbei–Shengli 1000 kV UHV AC project · 1000 kV · energized
- Sichuan–Chongqing 1000 kV UHV AC project · 1000 kV · energized
- Aba–Chengdu East 1000 kV UHV power project (highest-altitude section) · 1000 kV · construction
- Zhejiang 1000 kV UHVAC ring network project · 1000 kV · construction
- Ganjiang–Gannan 1000 kV UHVAC project · 1000 kV · planned
- Yangjiang Sanshandao offshore wind flexible DC project (Gulao ±500 kV converter station) · ±500 kV HVDC · construction
Census verified 7 July 2026. Each operator row shows that operator record's own updated date. Operator, voltage and frequency data are as recorded and may change. Report a correction.
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