# Hyosung Heavy Industries invests KRW 100B to expand circuit breaker plants in Changwon and India

Hyosung Heavy Industries is investing KRW 100 billion to build a new ultra-high voltage circuit breaker plant for export in Changwon, South Korea, and expand its circuit breaker plant in Pune, India. The Changwon plant is scheduled for completion in the first half of 2026.

- Type: Expansion
- Announced: 2025-09-19
- Where: Changwon, South Gyeongsang Province, South Korea
- Value: $75.0M (100.0B KRW)
- Starts operating: Q2 2026
- Status: announced
- Capacity: 1.5 times increase in production capacity
- Products: ultra-high voltage circuit breakers (420kV, 550kV, 800kV), insulators
- Sectors: [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)

## Companies

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

## Sources

- [hyosung.com](https://www.hyosung.com/en/newsroom/view/19030), 2025-09-19: "Hyosung Heavy Industries announced that it will invest a total of KRW 100 billion to build a new dedicated ultra-high voltage circuit breaker production plant for export-use in Changwon"
- [knnews.co.kr](https://www.knnews.co.kr/news/articleView.php?idxno=1471329), 2025-09-25: "초고압차단기를 비롯한 패키지형 토털 솔루션으로 가시적인 성과를 창출하겠다"

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