Polish Investors Back Synthos Small Modular Reactors
Synthos Green Energy has secured PLN 1.35 billion in equity to deploy nuclear reactor fleets in Poland and the UK.
Updated on Oct. 6, 2026 in Energy
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Polish business leaders have committed PLN 500 million to Warsaw-based Synthos Green Energy to advance small modular reactor (SMR) development. The company has now secured PLN 1.35 billion in total equity commitments to fund its operations over the next two years.
Why it matters
Investors are prioritizing SMRs to secure reliable, competitively priced energy for heavy industry. By utilizing private equity and Power Purchase Agreements rather than public subsidies, the firm aims to bypass traditional energy infrastructure hurdles.
Synthos Green Energy utilizes the GE Vernova Hitachi BWRX-300 reactor technology for its deployment projects. The company aims for a 4.2 GWe capacity fleet in the UK, consisting of 14 units.
The players
Synthos Green Energy
A Warsaw-based developer focused on deploying small modular reactor technology for industrial energy needs.
GE Vernova
A global energy equipment manufacturer providing the BWRX-300 reactor technology and acting as an anchor investor.
ORLEN
A major Polish multi-energy corporation collaborating with Synthos on domestic nuclear infrastructure.
The details
The BWRX-300 is a Small Modular Reactor—a compact nuclear power plant designed for factory fabrication and modular assembly to reduce construction timelines. The firm plans to fund its UK fleet through a combination of private equity and debt, bypassing government-backed financing in favor of commercial Power Purchase Agreements—long-term contracts where industrial users buy electricity directly from the provider at a fixed rate.
Timeline
2019: Synthos Green Energy was established.
Next two years: Duration for the newly committed funding.
2032: Expected commissioning for the first Polish reactor unit.
2034: Targeted initial commercial operation for the UK reactor fleet.
The Tech Race
Synthos Green Energy’s progress follows the formal entry of its UK project proposal into the Preliminary Regulatory Assessment Deep Dive. The firm is currently navigating these rigorous safety and operational standards to compete in a field increasingly dominated by modular reactor designs.
This development serves as a precursor to providing high-capacity, low-carbon energy specifically for large-scale industrial users. Residential consumers will not see direct changes, as the business model focuses on private, long-term energy contracts for heavy industry.
The takeaway
The firm is attempting to shift nuclear deployment from state-led infrastructure projects to privately funded industrial assets. Readers should watch for the 2032 milestone, when the first Polish reactor unit is scheduled for commissioning.
Further reading
For more developments in next-generation power infrastructure, see our analysis on Energy.
Source note: This article includes information reported by Nuclear Engineering International.
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