# Hyosung Heavy Industries building new GIS plant in Changwon

Hyosung Heavy Industries is constructing a new dedicated plant for export of ultra-high voltage gas-insulated switchgear (GIS) in Changwon, South Korea. The company also secured a record contract for GIS with a U.S. nuclear power plant operator and a large contract for ultra-high voltage transformers with Scottish Power.

- Type: Expansion
- Announced: 2025-07-25
- Where: Changwon, South Korea, South Korea
- Status: under construction
- Products: ultra-high voltage gas-insulated switchgear (GIS), ultra-high voltage transformers
- Sectors: [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)

## Companies

- [Hyosung Heavy Industries](https://endata.com/companies/5898.md)

## Sources

- [asiae.co.kr](https://www.asiae.co.kr/en/article/2025072516423583680), 2025-07-25: "Currently, a new dedicated plant for the export of ultra-high voltage GIS is under construction in Changwon."

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