State Grid Corp of China (SGCC)
World's largest utility — 5+ sync regions tied by UHV DC; 1000 kV UHV AC
Overview
State Grid Corporation of China (SGCC) — the world's largest utility and transformer buyer, procuring UHV 1000 kV AC and ±1100 kV DC equipment at scale.
Grid characteristics
- Operating region: China — East Asia
- System frequency: 50 Hz
- Synchronous area: China (SGCC / CSG)
- Top voltage class: 1000 kV / ±1100 kV DC
Transformer & substation profile
- Highest voltage class in this market: 1000 kV / ±1100 kV DC
- Transformer demand driver: World's largest utility — 5+ sync regions tied by UHV DC; 1000 kV UHV AC
- Procurement notes: Utilities in this market procure against national grid codes and international standards — verify the governing standard before a tender.
Relevant manufacturers
69 transformer makers recorded in the China census — power, distribution and dry-type. Verify capability before a decision.
Baoding Tianwei Baobian Electric (BTW) Beijing Power Equipment Group (BPEG) China Electric Equipment Group (CEEG) China XD Group (Xi'an XD Transformer) CHINT Transformers (CHINT Group) CNC Electric Group CRRC Yongji Electric (CRRC Group) Daelim Belefic / Daelim Transformer Daqo Group (Nanjing / Zhenjiang Daqo) Guangdong Haihong Transformer Guangdong Mingyang Electric Guangzhou Zhiguang Electric Guodian Nanjing Automation (SAC) Hainan Jinpan (Jinpan Group; Guilin, Yangzhou)
Market context
Latest intelligence about this operator
- No published intelligence evidenced as about this operator.
Related projects
- Changji–Guquan ±1100 kV UHV DC transmission project energized · CONFIRMED
- Hami–Chongqing ±800 kV UHVDC project energized · CONFIRMED
- Tibet–Guangdong (Xizang–Greater Bay Area) ±800 kV UHVDC project construction · INFERRED
- Gansu–Zhejiang ±800 kV UHVDC transmission project construction · INFERRED
Upcoming events
- CSEE 2026 — China (Wenzhou) Int'l Electric Power Fair 2026-03-20 · Wenzhou, China
- Yangtze New Power & Smart Energy Expo 2026 (Wuhan) 2026-04-24 · Wuhan, China
- CIPIE 2026 — China (Sichuan) Int'l Power Industry Expo 2026-05-28 · Chengdu, China
Census verified 7 July 2026. Record updated 11 July 2026. Sources: official utility / operator filings and public announcements; maintained encyclopedia-style from the TransformerPath grid census. Report a correction.
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