
Hyundai E&C signed a framework deal to build up to 8 TerraPower Natrium reactors, joining the U.S. firm's push into next-gen nuclear power.
Hyundai Engineering & Construction will join U.S. nuclear firm TerraPower's next-generation reactor program as an engineering, procurement and construction (EPC) partner, the South Korean builder said Tuesday.
Hyundai E&C signed a framework agreement with TerraPower covering the Natrium advanced nuclear power plant design. The pact gives Hyundai E&C a position to build up to eight additional Natrium units beyond the first project, the company said.
TerraPower is developing fourth-generation reactor technology based on sodium-cooled fast reactors. Its Natrium system pairs a nuclear reactor with an energy storage system, letting electricity output adjust to demand. The company says the design relies on passive cooling if external power is lost and produces less nuclear waste than conventional reactors.
TerraPower started construction of its 345-megawatt Kemmerer Unit 1 in Wyoming after receiving U.S. regulatory approval. The company has also worked with technology firms including Meta as it targets electricity demand from artificial intelligence data centers and expands into overseas markets.
Under the agreement, the two companies will combine technology and project-development capabilities, expand cooperation in the nuclear industry and pursue new business opportunities. TerraPower President and CEO Chris Levesque has visited Hyundai E&C's headquarters in Seoul as the companies discuss commercialization of the Natrium system and international expansion.
"This agreement combines TerraPower's innovative nuclear technology with Hyundai E&C's global EPC capabilities and will become an important milestone in responding to rapidly rising electricity demand and accelerating commercialization of next-generation nuclear power," a Hyundai E&C official said.
Hyundai E&C said it will continue expanding its energy portfolio and strengthen cooperation with leading companies to compete in the global energy market. TerraPower's materials confirm Levesque as president and CEO and describe cooperation with Hyundai E&C and other South Korean companies on commercial deployment of Natrium reactors.
The deal marks a step into advanced nuclear construction for Hyundai E&C, which has built conventional plants across the Middle East and Asia. TerraPower's Natrium design is among the first U.S. advanced reactor projects to reach construction, and the Wyoming site is slated to be the company's first commercial plant.
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