Korea Hydro & Nuclear Power is a South Korean power-generation company that develops and operates nuclear assets and pursues overseas energy projects. Its nuclear fleet and development expertise include the APR1400, a 1,400-MW pressurized-water reactor used at Saeul Units 3 and 4. On 20 January 2026, TerraPower announced that KHNP had joined its investor base through SK's investment, with the companies planning commercialization cooperation for the Natrium advanced-reactor programme.
Korean Government (KEPCO subsidiary)