Green hydrogen production via PEM electrolyzers
Green hydrogen production in the Barrow project uses proton exchange membrane (PEM) electrolyzers powered by renewable electricity to split water into hydrogen and oxygen, generating hydrogen with low associated lifecycle emissions when the power input is decarbonized.[2][9] Plug Power’s GenEco PEM electrolyzers are deployed at a 30 MW scale, configured as six 5 MW units, to produce approximately 100 gigawatt-hours of hydrogen energy annually for industrial use.[2][9]
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Hydrogen liquefaction and distribution
Hydrogen liquefaction is the process of cooling gaseous hydrogen to extremely low temperatures so that it becomes a liquid, reducing volume and enabling bulk storage and long-distance transport.[10] Plug Power’s St. Gabriel, Louisiana facility, operated through the Hidrogenii joint venture with Olin, is a hydrogen liquefaction plant that can process up to 15 tonnes of hydrogen per day as part of Plug’s broader hydrogen generation and logistics network.[2][10] Liquefied hydrogen can then be transported by road tankers or other means to fueling stations, industrial users, or power generation sites where on-site storage and regasification infrastructure exist.[10]
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