Dutch offshore contractor Allseas has launched a five-year plan to design, develop and deploy a Small modular reactor (SMR) tailored for integration into offshore vessels and for onshore use…
Dutch offshore contractor Allseas has launched a five-year plan to design, develop and deploy a Small modular reactor (SMR) tailored for integration into offshore vessels and for onshore use.
Building on 40 years of engineering expertise in the offshore energy industry, Allseas move into nuclear marks the next bold step aimed at delivering clean, high-performance energy systems to sea and shore.
Allseas has selected High-temperature gas-cooled reactors (HTGRs) in the 25 MWe range, due to their inherently safe characteristics. This fourth-generation reactor technology generates energy without combustion or emissions.
HTGRs are powered by TRISO fuel particles, each representing a sphere with the size of a poppyseed. Each particle contains a uranium oxide core, coated with several advanced protective ceramic layers that securely contain fission products – even under extreme conditions.
The technology results in passive safety - the reactor self-regulates and remains stable, keeping temperatures well below critical thresholds. In the unlikely event of malfunction, the system automatically cools down and shuts off without the need for active intervention or external cooling.
Allseas is also exploring circular approaches, such as the reuse of graphite and reprocessing of spent TRISO fuel, to further reduce environmental impact, ensuring waste management remains a key
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