Solid oxide electrolysis (SOEC) powered by a small modular reactor (SMR) could produce clean hydrogen at a cost of less than €3.5/kg ($3.8/kg) today, according to a study by Topsoe, Rolls-Royce SMR, ULC-Energy and KYOS.
The study revealed SOEC could produce more hydrogen per total power input compared to conventional electrolyser technologies, with an SMR-SOEC combination offering a way to deliver “the highest” annual quantity of hydrogen due to higher efficiency.
SMRs are nuclear reactors smaller in size and output to traditional reactors. Typically producing up to 300MW of power, SMRs work on the same fundamental principles as larger reactors – using nuclear fission to generate heat, producing steam to drive a turbine.
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