South Korea Nuclear Reactors: Small-Scale Investment
- BUSAN, South Korea - Small modular reactors (SMRs) were a prominent focus at the World Climate Industry Expo held in south Korea this week, as domestic companies anticipate...
- SMRs represent a shift in nuclear power design.Unlike customary large-scale nuclear plants, SMRs are designed for factory fabrication and modular construction, leading to potentially lower costs, enhanced safety...
- South Korea has long been a significant player in the global nuclear energy market, and is now actively investing in SMR growth.
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Small Modular Reactors Gain Traction at South KoreaS World Climate Industry Expo
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Published August 29, 2025, at 5:58 PM JST
BUSAN, South Korea – Small modular reactors (SMRs) were a prominent focus at the World Climate Industry Expo held in south Korea this week, as domestic companies anticipate growing demand for this emerging nuclear technology as a clean energy alternative.
The Rise of SMRs
SMRs represent a shift in nuclear power design.Unlike customary large-scale nuclear plants, SMRs are designed for factory fabrication and modular construction, leading to potentially lower costs, enhanced safety features, and greater deployment versatility.They typically have a power capacity of up to 300 MW per module, compared to the 1,000 MW or more of conventional reactors according to the International Atomic Energy Agency (IAEA).
south Korea’s Investment in Nuclear Technology
South Korea has long been a significant player in the global nuclear energy market, and is now actively investing in SMR growth. The country aims to become a leading exporter of SMR technology, capitalizing on its established nuclear expertise and manufacturing capabilities. several South Korean companies, including Korea Electric Power Corporation (KEPCO), are developing SMR designs and seeking international partnerships. KEPCO is developing the i-SMR,a 300 MW pressurized water reactor,with commercial deployment targeted for 2028 as reported by World Nuclear News.
Why the Focus on SMRs?
The growing interest in SMRs is driven by several factors. Firstly, they offer a potentially faster and more cost-effective pathway to decarbonizing energy systems compared to large-scale nuclear projects. Secondly, their smaller size and modular design allow for deployment in locations where traditional nuclear plants are not feasible. SMRs incorporate advanced safety features, such as passive safety systems, which rely on natural forces like gravity and convection to shut down the reactor in the event of an emergency.
Challenges and Opportunities
Despite the growing enthusiasm, SMRs face challenges. Regulatory frameworks for SMRs are still under development in many countries, creating uncertainty for developers. The economics of SMRs also need to be proven, as the cost per kilowatt-hour of electricity generated must be competitive with other clean energy sources. However, the potential benefits of SMRs - including their ability to provide reliable, baseload power and their role in decarbonizing hard-to-abate sectors like industrial heat - are driving continued investment and innovation.
Global SMR Development
Beyond South Korea,
