Synthos Green Energy

plans to deploy a fleet of Small Modular Reactors (SMR) nuclear power plants in Poland and the CEE.
The company has been established to develop and implement zero-emission technologies and electricity production from renewable sources. The company is interested in obtaining affordable, on-demand, carbon-free electricity from a dependable, dedicated source.
We are the exclusive partner of GE Hitachi Nuclear Energy in Poland, and our main goal is to build a fleet of BWRX-300 – SMR designed by GEH.
SGE is also working on solutions allowing for the production of hydrogen from high-temperature steam. Principally we believe that nuclear is another powerful hydrogen production method, adding benefits not available from any other energy source.

Who are we

10th generation of BWR

The BWRX-300 is a 300 MWe water-cooled, natural circulation Small Modular Reactor (SMR) with passive safety systems that leverages the design and licensing basis of GEH's U.S. NRC-certified ESBWR.

Through dramatic and innovative design simplification, the utilization of a licensed and proven fuel design and the incorporation of proven components and supply chain expertise, the BWRX-300 can become the lowest-risk, most cost-competitive and quickest way to market SMR. 


BWRX-300 has been designed to achieve construction and operating costs that are substantially lower than traditional nuclear power generation technologies.

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World class safety

Steam condensation and gravity enable the BWRX-300 to cool itself for a minimum of seven days without power or operator action

Cost competitive

Projected to have up to 60% less capital cost per MW when compared with typical water-cooled SMR

Quick deployment

Deployable as early as 2028 thanks to proven know-how and construction techniques

Our partners

We do not walk alone...


UK Government to support BWRX-300 development

Companies, including Synthos Green Energy, are part of a team led by GE-Hitachi which has been awarded a £33.6 million UK Future Nuclear Enabling Fund (FNEF) grant to support development of the BWRX-300 technology.


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First potential sites announced

At the the press conference at PKN ORLEN’s headquarters, the first potential sites for the BWRX-300 reactors were presented. These are Ostrołęka, Włocławek, Stawy Monowskie, Dąbrowa Górnicza, Kraków-Nowa Huta, the Tarnobrzeg – Stalowa Wola Special Economic Zone and Warsaw.


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