Underground Lightning: US Startup Zaps Rocks for Clean Hydrogen Future

A Massachusetts startup, Eden GeoPower, is making waves in the clean energy sector by using high-voltage electrical pulses, much like 'underground lightning,' to crack deep-seated rock formations and unlock hydrogen. This innovative Electrical Reservoir Stimulation (ERS) technique aims to create pathways for water to react with iron-rich minerals, generating hydrogen without traditional methods. Recent field trials, including a current pilot beneath a Massachusetts horse farm since June 2026, are crucial for proving its commercial viability and potential to revolutionize hydrogen production. The global push for clean energy has made hydrogen a hot commodity, with the market projected to hit $226.1 billion in 2026. While current hydrogen production heavily relies on fossil fuels, creating 'grey hydrogen,' Eden GeoPower method offers a potentially low-emission alternative by tapping into geological hydrogen. The company has already seen promising results, increasing rock permeability tenfold in a 2025 Colorado mine test and boosting hydrogen output by up to four times in lab experiments. This approach could significantly expand clean hydrogen sources, especially in regions with abundant iron-rich rocks. However, scaling this 'underground lightning' from promising lab results and early field tests to a commercially viable operation remains the biggest hurdle. Researchers are closely watching the ongoing field trials to see if Eden GeoPower can generate hydrogen quickly, continuously, and affordably enough to compete with existing methods. The future success of such stimulated geological hydrogen could profoundly impact the energy landscape, offering a new, sustainable pathway to meet the world's growing demand for clean fuel.