According to the International Energy Agency (IEA), water electrolysis may currently be a minor player in hydrogen production, but it’s quickly gaining traction as an important source.
Right now, renewable hydrogen accounts for only about 0.1% of the global hydrogen supply. Since 2022, an impressive 600 projects have been announced, boasting a total capacity that exceeds 160 GW. By the end of 2022, the global installed capacity for water electrolyzers aimed at hydrogen production neared 700 MW, reflecting a notable 20% increase from the previous year.
These statistics underscore the growing enthusiasm for electrolysis as a clean hydrogen production method. As this technology advances and more projects come online, electrolysis is poised to become a key player in the future of hydrogen production.
However, to meet climate goals for 2030 and 2050, as well as the vision for achieving Net Zero Emissions by 2050, there’s a pressing need to boost electrolyzer manufacturing capacity and innovate new electrolysis technologies.
Alkaline (AWEL), proton exchange membrane (PEMEL), solid oxide (SOEL), anion exchange membrane (AEMEL). The first two (AWEL and PEMEL) are already commercial but have three main bottlenecks: high production costs (5-8 €/kg H2), limited efficiencies (> 50 kWh/kg H2) and limited industrial manufacturing capacity
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