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GeoKiln is pioneering a new way to produce clean hydrogen by manufacturing it directly within the Earth.
Their process, Manufactured Subsurface Hydrogen (MSSH™), accelerates natural geologic reactions that produce Hydrogen in iron-rich rock formations using precision electrical heating.
About the Technology
Instead of searching for rare natural hydrogen accumulations or relying on costly electrolysis, GeoKiln stimulates abundant iron-rich rocks underground using proven oil and gas thermal technologies. This process produces hydrogen directly in place, at costs projected to be below $1.50/kg, with no need for mass water injection. Each modular “production pattern” can yield an estimated 30,000 tonnes of hydrogen annually, creating a scalable, repeatable model similar to the shale revolution.
What makes GeoKiln unique is that they are not inventing in a lab, they are commercializing technology already demonstrated in the field. Their team of Shell veterans brings over 70 years of subsurface innovation and large-scale project execution, combined with breakthrough modeling tools to optimize heating efficiency and economics.
By leveraging existing drilling and completion supply chains, MSSH can scale rapidly across geographies. The potential impact is transformative. As the global hydrogen market heads toward $1.5 trillion by 2050, GeoKiln offers a way to accelerate decarbonization of heavy industries by delivering a reliable, affordable, and globally deployable hydrogen supply, without subsidies.
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