Doosan Enerbility Signs Contract to Manufacture First Reactor for NuScale Power SMR

Taking on production of upper reactor modules
Expanding partnership from materials supply to full-scale manufacturing
First commercial production of an SMR with U.S. design approval

Doosan Enerbility will begin manufacturing the first reactor for a small modular reactor (SMR) developed by U.S.-based NuScale Power.

NuScale Power COO Karl Fisher (right) and Doosan Enerbility President Kim Jongdu pose for a commemorative photo at a contract signing ceremony held at the company’s headquarters in Changwon on the 29th. Doosan Enerbility

Doosan Enerbility said on Oct. 29 that it had signed a contract with NuScale Power to manufacture upper reactor modules for SMRs. Karl Fischer, NuScale Power's chief operating officer, and Kim Jongdu, president of Doosan Enerbility's Nuclear Business Group, attended the signing ceremony at the company's headquarters in Changwon that day.

The upper reactor module is a key piece of equipment that forms the upper section of a reactor pressure vessel, which holds high-temperature, high-pressure coolant. Doosan Enerbility signed a contract with NuScale Power in 2023 to manufacture SMR components. With the latest agreement, the companies have expanded their collaboration to include full-scale manufacturing of commercial reactor equipment.

NuScale Power's SMR was the first in the United States to receive design approval from the U.S. Nuclear Regulatory Commission (NRC). SMRs are built by manufacturing major equipment as modules and installing them on-site, a method that can reduce construction time and costs compared with large nuclear power plants.

John Hopkins, NuScale Power's chief executive officer, said, "This contract marks meaningful progress in turning an NRC-approved design into modules that can actually be supplied. It enables us to secure the production capacity and process maturity needed to deliver SMRs on the schedule our customers require."

Kim Jongdu, president of Doosan Enerbility's Nuclear Business Group, said, "This contract marks an important turning point as SMRs move from technology validation to actual manufacturing. We will support NuScale's commercial projects by drawing on our extensive experience in nuclear manufacturing."

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