# HD Hyundai Heavy Industries to invest KRW 1.07 trillion in engine and SMR facilities

HD Hyundai Heavy Industries will invest KRW 1.0722 trillion to build a new 3 GW power generation engine production facility in Ulsan and a dedicated manufacturing facility for small modular reactors (SMRs). The engine facility is scheduled for completion in May 2028.

- Type: Investment
- Announced: 2026-09-10
- Where: Onsan-eup, Ulju-gun, Ulsan, South Korea, South Korea
- Starts operating: May 2028
- Status: announced
- Capacity: 3 GW per year (engine facility)
- Products: HiMSEN gas engines for land-based power generation, small modular reactor equipment
- Sectors: [Power Generation Equipment](https://endata.com/sectors/power-generation-equipment.md)

## Companies

- [HD Hyundai Heavy Industries](https://endata.com/companies/12220.md)
- [TerraPower](https://endata.com/companies/11222.md) (partner)

## Sources

- [prnewswire.com](https://www.prnewswire.com/news-releases/hd-hyundai-heavy-industries-to-invest-krw-1-trillion-in-future-engine-and-smr-businesses-302875094.html), 2026-09-10: "HD Hyundai Heavy Industries disclosed on the 10th that it will invest a total of KRW 1.0722 trillion to build a new power generation engine production facility and a dedicated manufacturing facility for small modular reactors (SMRs)."
- [en.edaily.co.kr](https://en.edaily.co.kr/news/eda202609115076/), 2026-09-11: "The new facility is capable of producing two units per year of TerraPower’s sodium-cooled fast reactor"

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