# Hitachi Energy wins first 1100 kV GIS order for China UHV substation expansion

Hitachi Energy has been awarded its first 1100 kV gas-insulated switchgear (GIS) order to supply equipment for the expansion of the 1000 kV Nanchang ultra-high-voltage substation in Jiangxi Province, China. The project supports the four-province AC backbone interconnecting Henan, Hubei, Hunan, and Jiangxi.

- Type: Contract
- Announced: 2025-10-13
- Where: Nanchang, Jiangxi Province, China
- Status: announced
- Capacity: 2,000 MW
- Products: 1100 kV gas-insulated switchgear (GIS)
- Sectors: [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)

## Companies

- [Hitachi Energy](https://endata.com/companies/15140.md)

## Sources

- [hitachienergy.com](https://www.hitachienergy.com/us/en/news-and-events/press-releases/2025/10/hitachi-energy-breaks-through-chinas-power-grid-industry-with-first-1100kv-gis-order-for-uhv-transmission-system), 2025-10-13: "China's systematic deployment in the UHV grid sector has laid a solid foundation for renewable energy development and secure power supply."
- [hitachienergy.com](https://www.hitachienergy.com/us/en/news-and-events/features/2025/10/hitachi-energys-innovative-million-volt-power-equipment-to-help-enhance-power-supply-in-central-china), 2025-10-13: "This project marks the GIS product's first global deployment."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.