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Most electrolysers use AE technology
Electrolysers Renewables
Tom Young
25 January 2022
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Alkaline electrolyser systems still cheapest – OIES

But PEM electrolysers are better suited to producing green hydrogen from renewable generation, study finds

Alkaline electrolyser (AE) systems still offer the largest system size at the lowest cost but are unsuited to some forms of renewable generation, according to a study of the costs of various different electrolyser technologies by the Oxford Institute for Energy Studies (OIES). The paper divides the most promising electrolyser technologies into six major groups: AE; acidic, which includes proton-exchange-membrane (PEM) technologies; solid oxide electrolysers (SOEs); acidic-alkaline amphoteric electrolysers, which include anion-exchange-membrane (AEM) technologies; microbial; and photo-electrochemical. As the paper notes, each technology has its strengths and drawbacks depending on the applica

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Also in this section
Hy2gen contracts Technip for Quebec green ammonia project pre-Feed
31 March 2023
Developer aims to commission 220,000t/yr project by 2028
Green hydrogen competes with big business for renewable PPAs
31 March 2023
Corporate and utility buyers are seen as more credible counterparties in increasingly competitive market
Scotland ‘a great place’ for green hydrogen development
31 March 2023
Project developers that have secured grants tell Hydrogen Economist they are optimistic, despite incentives competition with US and EU
UK shortlists 20 projects for revenue support
30 March 2023
The government has also allocated grants worth £37.9mn to 15 projects through the Net Zero Hydrogen Fund to cover development and capital costs

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