Allseas has unveiled the findings of an impact study conducted by strategic consultancy firm Roland Berger, highlighting the transformative potential of small modular reactors (SMRs). The report confirms that the company’s nuclear technology can play a critical role in decarbonising the maritime sector and industry.
In addition, the technology can strengthen the Dutch economy, reduce grid congestion, and enhance energy security. These findings reinforce the direction Allseas set in June 2025 with the launch of its five-year plan to develop and deploy SMRs on offshore vessels and onshore sites.
The reactor, with a capacity of 25 MWe/70 MWt, is based on proven high-temperature gas-cooled reactor (HTGR) technology. Allseas is developing the SMR in collaboration with NRG PALLAS, TU Delft, and other partners, with the first reactors targeted for operation by 2030.
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Wide range of applications
The compact, intrinsically safe and scalable design of Allseas’ SMR makes it suitable for a wide range of applications – from offshore operations, commercial shipping, and port areas to industrial sites such as chemical clusters, steel plants, refineries, and data centres. Additionally, the SMR can provide an autonomous, resilient energy supply for defence critical infrastructure.
The technology also provides a reliable and powerful energy source for growth sectors such as semiconductors, AI, quantum technology and supercomputing. In doing so, it not only supports the decarbonisation of existing industries but also lays the foundation for the economy of the future.
Roland Berger estimates potential for deploying up to 110 Allseas SMRs on land in the Netherlands and 700 across the global maritime sector, generating substantial economic value and CO2 reduction.
Economic impact and energy security
Allseas’ SMRs could contribute up to EUR 130 billion to the Dutch economy by 2050, generated directly through investments by Allseas and its value chain and indirectly via growth in Dutch industry and maritime sectors. This would help retain 10,000–15,000 jobs and create 35,000–40,000 new skilled positions.
Allseas’ reactor delivers clean electricity at prices competitive with fossil and renewable alternatives. It also supplies industrial heat up to 650°C, thirty per cent cheaper than gas turbines and eighty per cent cheaper than renewable heat sources. Combined with continuous, on-site energy availability, this significantly strengthens the energy security of Dutch industry.
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Tackling grid congestion
By generating energy directly at the point of use, Allseas’ SMR reduces strain on the national electricity grid. This autonomous energy supply frees up grid capacity, allowing existing businesses to expand and making the Netherlands more attractive to new enterprises.
According to the study, this could unlock EUR 40 billion in additional economic value and save up to EUR 12 billion in high-voltage grid investments – a significant portion of the EUR 104 billion planned through to 2050.
Decarbonising maritime and industrial sectors
Allseas’ SMR technology enables significant CO2 reductions – up to 25 per cent (10 megatonnes annually) in Dutch industry and up to five per cent (55 megatons annually) in the global maritime sector by 2050. Together, this equals the annual emissions of 3.5 million Dutch homes.
‘This study demonstrates our small modular reactor is technologically innovative and strategically valuable for the Netherlands,’ says Stephanie Heerema, Project Manager Nuclear Developments at Allseas. ‘With this technology, we can meet the urgent demand for stable, clean, and affordable energy, while creating an export product that accelerates the global energy transition.’
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About the study
Allseas is convinced of the technological potential of small modular reactors and commissioned a specialised study to clearly map out their concrete impact. The impact study was carried out by Roland Berger, an international strategic consultancy with expertise in innovation and economic analysis.
Roland Berger validated the findings with leading knowledge institutions, energy experts and market players, including TNO, COVRA, Urenco and the Port of Rotterdam. The results provide a factual foundation for the further development of nuclear technology within Allseas.
‘As a responsible family-owned company, we always take a long-term view. The conclusions of this study show exciting potential for our technology to address today’s challenges and strengthen our commitment to executing our five-year plan,’ adds Heerema.
Picture: Allseas’ SMR applied on board a vessel (image by Allseas).
