White hydrogen discovery could revolutionize global energy landscape

Geologists have revealed that naturally occurring white hydrogen, formed through geological processes billions of years ago, could provide a transformative solution for global energy needs. Unlike conventional hydrogen that must be manufactured using fossil fuels or expensive renewable electrolysis, this natural resource accumulates in underground reservoirs and could be extracted similarly to oil and gas, according to a recent report.

The International Energy Agency projects that global demand for hydrogen could triple by 2050, driven by its ability to generate intense heat for shipping and heavy industries like steelmaking without producing planet-warming emissions. Currently, less than one percent of hydrogen is produced through renewable methods, with the vast majority derived from fossil fuels, highlighting the urgent need for alternative sources.

Vast Reserves Trapped Beneath Earth's Surface

Researchers at the United States Geological Survey estimate that approximately 5.6 trillion tons of hydrogen may be trapped within the Earth's crust. According to scientists, this white hydrogen forms when water encounters iron-rich rock in the Earth's mantle at temperatures between 200 and 350 degrees Celsius. "When it meets with water, the iron basically takes the oxygen from the water, leaving behind pure hydrogen," explained Jurgen Grotsch.

While much of this resource lies too deep for commercial extraction, a 2024 study suggested that accessing just two percent of these natural reserves could satisfy global hydrogen demand for roughly 200 years. The lightest element naturally migrates upward through cracks in the crust, often collecting in porous rock formations like sandstone, where it becomes trapped beneath denser geological layers.

First Commercial Site Demonstrates Viability

Dozens of companies worldwide are now actively searching for underground hydrogen reservoirs, though commercial extraction remains in its infancy. The only operational site currently producing white hydrogen is located in the village of Bourakebougou, where a well generates approximately 49 tons annually for local electricity generation.

Türkiye, with its diverse geological landscape, could potentially host similar hydrogen reserves, though exploration efforts remain limited. While the Bourakebougou operation produces far less than a typical fossil gas well, which can yield hundreds to thousands of tons annually, it nonetheless demonstrates that tapping naturally occurring hydrogen could offer a viable and sustainable alternative to energy-intensive manufacturing processes.