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- Samsung C&T Engineering & Construction (E&C) Group is strengthening its collaboration with Synthos Green Energy (SGE) by expanding the partnership framework for Small Modular Reactor (SMR) deployment in Central and Eastern Europe
- The expanded cooperation builds on the companies’ earlier agreement in Poland and introduces a broader structure covering SMR fleet deployment, potential investment considerations, and deeper technical collaboration based on BWRX-300 technology
Following its recent partnership with Poland’s Synthos Green Energy, Samsung C&T E&C Group is further advancing its engagement in Europe’s SMR market through a more structured collaboration framework. The expanded cooperation reflects a shared focus on accelerating SMR deployment while strengthening the technical and organizational foundations required for long-term project development across Central and Eastern Europe.
Expanding the Partnership Beyond Project-Level Cooperation
Under the updated framework, Samsung C&T and SGE are exploring cooperation beyond individual projects, with discussions centered on the coordinated deployment of SMR fleets across multiple European markets. The partnership outlines a structure for future collaboration that combines SGE’s role as an SMR development platform with Samsung C&T’s global engineering and construction expertise, supporting scalable and repeatable project execution.
As part of this framework, Samsung C&T is also considering a potential strategic investment in SGE’s international SMR development platform. While no investment decision has been finalized, the discussions reflect a long-term alignment aimed at strengthening development capabilities and accelerating SMR rollout across the region.
Through the collaboration, the two companies will share key project data, including feasibility studies, site assessments, environmental evaluations, and technical review materials, while establishing regular coordination and executive-level progress reviews.
Michał Sołowow, owner and founder of SGE, said, “Samsung C&T is the world’s leader in energy infrastructure construction. SGE is proud to deepen and align our relationship with Samsung as a potential equity partner. Their proven capabilities in delivering nuclear projects will strengthen SGE’s SMR development platform and accelerate the deployment of safe, sustainable, and cost-effective energy across Europe.”
Reflecting on the expanded collaboration, President and CEO of Samsung C&T, Se-chul Oh, noted that partnering with SGE strengthens the companies’ shared vision of accelerating the deployment of innovative nuclear technologies, supporting energy security while advancing Europe’s efforts toward a clean, carbon-neutral future.
BWRX-300 Technology Supporting Scalable SMR Deployment
The cooperation between Samsung C&T and SGE is centered on the BWRX-300, a 300-MW boiling water reactor (BWR)-based SMR developed by GE Vernova Hitachi Nuclear Energy. The reactor design emphasizes construction efficiency through system simplification and modularization, supporting shorter construction schedules and standardized deployment across multiple sites. As a 10th-generation BWR, the design incorporates operational experience from earlier large-scale reactors while reducing system complexity to improve constructability and operational efficiency.
Derived from GE Vernova Hitachi’s large-scale ESBWR design, the BWRX-300 scales output from 1,520 MW to 300 MW while retaining proven reactor architecture. The design applies natural circulation cooling and passive safety systems that enable core cooling for up to 72 hours without external power or operator intervention, enhancing safety while simplifying plant systems.
Lower operating pressure compared to conventional pressurized water reactors reduces mechanical complexity and structural burden, contributing to construction efficiency and long-term operational reliability. These characteristics support the reactor’s suitability for fleet-based deployment in markets seeking stable, low-carbon power generation.
Internationally, the technology continues to progress toward commercialization, with projects underway in North America and growing interest from European utilities evaluating next-generation nuclear options.
Clarifying Roles Across the SMR Value Chain
Within the collaboration framework, each partner plays a clearly defined role. GE Vernova Hitachi Nuclear Energy provides the core SMR technology and reactor design, while SGE acts as the regional development platform, leading site development, project coordination, and partnerships across Europe. Samsung C&T contributes its global track record in nuclear and energy infrastructure delivery, supporting engineering, construction, and project execution activities.
The BWRX-300’s progress toward licensing and construction further supports this role alignment. The technology has advanced rapidly through regulatory processes and is currently under construction at the Darlington site in Canada, reflecting regulator confidence in designs based on previously licensed large-scale reactors. This maturity positions the technology for earlier deployment compared to first-of-a-kind SMR concepts.
Supporting Europe’s SMR Development Through Project Experience
The expanded cooperation with SGE builds on Samsung C&T’s growing SMR presence in Europe, which includes ongoing projects and partnerships in Romania, Estonia, Sweden, and Poland. Through these initiatives, the company has been involved in early-stage development, front-end engineering design (FEED), and supply-chain coordination for SMR projects across diverse regulatory and market environments.
Drawing on its experience in large-scale nuclear projects, including the Barakah Nuclear Power Plant in the United Arab Emirates and domestic nuclear facilities in Korea, Samsung C&T continues to apply its engineering and quality-assurance capabilities to next-generation nuclear development.
By expanding its collaboration framework with SGE, Samsung C&T is positioning itself to support Europe’s efforts to secure stable, low-carbon energy sources through scalable nuclear solutions. The partnership reflects a practical approach to SMR deployment, combining standardized technology, defined roles, and long-term cooperation structures to support reliable project execution across multiple markets.
