Recently, Professor Dr. Supot Teachavorasinskun, Chairman of the Board, along with the Board of Directors and executives of Global Power Synergy Public Company Limited or GPSC, the innovative power and smart energy flagship of PTT Group, visited Republic of Korea to study Small Modular Reactor (SMR) technology. GPSC team was welcomed by the executives of Saltfoss Energy (formerly known as Seaborg Technologies) along with Samsung Heavy Industries (SHI) and Korea Hydro & Nuclear Power (KHNP). On this occasion, GPSC and the three trade alliances contributed the executive summaries featuring the initial studies gained by the collaborative initiatives. In addition, SMR Generation IV insights, recognised for its highest security, were shared among trade partners.

Designed for installation on Power Barges, Saltfoss Energy’s SMR technology is recognized as a Compact Molten Salt Reactor (CMSR), offering a scalable capacity between 200 and 800 MW. This advanced nuclear design uses molten salt both as fuel and coolant, enabling operation at temperatures exceeding 1,500°C. Such high-temperature performance significantly reduces the risk of fuel-related failures, even under emergency conditions. These characteristics exemplify the key safety advantages of Generation IV Small Modular Reactors (SMRs), meeting the highest safety standards in the industry.

During this visit, GPSC executive board members proceeded to SHI Shipyard in Geoje, South Korea, the site designated for CMSR Power Barge production and assembly of the CMSR Power Barge, in collaboration with technology partners Saltfoss and KHNP. The nuclear power plant licensing process with the Republic of Korea government is currently underway, with construction of the first-of-a-kind (FOAK) unit expected to begin in 2029. The site is planned to serve as a Country Vendor, supporting the global delivery of CMSR Power Barge technology.

This feasibility study of CMSR Power Barge technology aims to gather the fundamental outcomes and opportunities in progressing the clean energy with CMSR Power Barge technology. This innovation approach is designed as a small modular enabling the entire factory quality control, offering high level of safety. Furthermore, the CMSR delivers the electricity production and steam with pressures and temperature of up to 500–600°C significantly higher than conventional SMR technologies, which typically operate around 320°C. Above all, CMSR technology delivers no CO2 emission, supporting a replacement of fossil fuel and advancing to sustainable energy to achieve Net Zero Emission by 2060, while ensuring long-term sustainability and the national power system security.

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