The next gold rush, a game-changer for decarbonisation and an underestimated resource: all terms used to describe natural hydrogen, which has grabbed an ever increasing number of headlines in recent months.
Formed by natural processes inside the Earth’s crust through processes such as serpentinisation and iron oxidation, natural hydrogen can accumulate in underground reservoirs. It has been coined as the climate solution under our feet and is capturing the minds of investors, entrepreneurs and policymakers alike, often touted as a low-cost, low-impact energy source.
While fossil fuel-based grey hydrogen costs less than $2/kg on average, many anticipate natural hydrogen costs, depending on deposit purity and depth, to be around $1/kg1.
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