Green hydrogen can now compete with hydrogen produced with fossil fuels in Germany, according to new research. Researchers have looked at six different scenarios for alkaline and PEM electrolyzers and identified alkaline devices powered by grid-connected PV as the cheapest option. December 15, 2021 Emiliano BelliniResearchers from the Cologne University of Applied Sciences in Germany have assessed Germany’s potential to produce green hydrogen via a decentralized approach based on solar PV and electrolyzers under different scenarios. They have found that this combination is already competitive with blue or gray hydrogen generated via fossil fuels.Their work focused on alkaline electrolyzers, which they described as a mature technology available at megawatt scale, and proton exchange membrane (PEM) electrolyzers, which they defined as a relatively new technology available for…
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