Researchers and energy companies worldwide are pursuing commercially viable extraction of natural hydrogen from underground reserves following a United States Department of Energy assessment indicating trillions of metric tons exist globally.
Recent developments highlight the intensity of this competition. A Chinese research team announced the discovery of exceptionally high hydrogen purity levels in the Sichuan Basin, measuring between 97.33 and 98.24 percent—representing record concentrations within China. Separately, activity is accelerating in the Philippines, where energy startup Koloma has identified what it characterizes as the planet’s largest natural hydrogen seepage sites and believes substantial accumulations lie beneath the surface.
The potential energy implications are substantial. Modeling suggests global underground natural hydrogen reserves could total approximately 5.6 x 10^6 metric megatons. Extracting just 2 percent of this volume would theoretically yield twice the energy contained in all established global natural gas reserves, according to recent analysis.
Geologic hydrogen could reshape both geopolitical and environmental dimensions of global energy systems. Nations controlling these deposits would gain significant leverage in international energy markets. For developing countries like the Philippines historically dependent on energy imports, such reserves could prove economically transformative. Additionally, hydrogen combustion produces only water vapor as a byproduct, making it valuable for decarbonizing difficult sectors including steelmaking, shipping, and transportation. Current green hydrogen produced through renewable energy remains expensive and inefficient relative to direct clean energy use, but geologic hydrogen extracted directly from Earth deposits could bypass these limitations.
Cost projections underscore the economic disruption potential. United States Department of Energy estimates suggest geologic hydrogen production could reach below one dollar per kilogram, substantially undercutting current green hydrogen prices of three dollars fifty cents to six dollars per kilogram and potentially rivaling gray hydrogen produced from fossil fuels. While the technology remains early-stage and existing projects are exploratory, experts anticipate eventual large-scale production at competitive rates.
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