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China's SMR Ambitions: Linglong One Reactor Nears Commercial Operation

China's SMR Ambitions: Linglong One Reactor Nears Commercial Operation

First seen 23 Oct 2026, 19:44 UTC • •
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ThreatCluster AI
ThreatCluster •October 24, 2026 at 19:14 UTC
  • •Linglong One is set to be the world's first commercial land-based SMR by late 2026.
  • •China is leading in SMR technology, with significant advancements in nuclear engineering.
  • •Commercial viability of SMRs remains uncertain due to challenges in standardization and market acceptance.

China's Linglong One reactor, a small modular reactor (SMR), is set to become the world's first commercial land-based SMR by the end of 2026. The reactor, developed by China National Nuclear Corporation (CNNC), has been constructed in Hainan province over five years and is seen as a significant achievement in nuclear engineering. While China leads in SMR technology, challenges remain in achieving commercial viability, including the need for standardized production and economic competitiveness. The SMR technology aims to provide safer, quicker-to-build, and more flexible energy solutions. However, the overseas market for Chinese SMRs is expected to be limited, impacting their commercialization prospects. The success of Linglong One could influence China's nuclear energy strategy and its position as a leading nuclear power producer by 2030.

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Timeline

2026-10-20
Linglong One reactor nearing operation
China's Linglong One reactor is expected to begin operation by the end of 2026, marking a milestone in SMR technology.
Carnegieendowment
2026-10-23
CNNC announces SMR project details
CNNC highlighted the Linglong One project as a major step in China's nuclear innovation strategy, emphasizing its independent development.
en.cnnc.com.cn

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Common questions

What is the significance of Linglong One?
Linglong One is set to be the world's first commercial land-based small modular reactor, showcasing China's advancements in nuclear technology.
What challenges does China face with SMRs?
China must overcome issues related to standardization, economic competitiveness, and limited overseas market potential for SMRs.
When is Linglong One expected to start operation?
Linglong One is expected to begin operation by the end of 2026.