Scientists have confirmed the scale of a massive natural hydrogen deposit beneath the Kidd Creek mine in Ontario, Canada. According to new research, the reservoir could supply 4.7 million kWh of energy annually, enough to power approximately 400 households. The discovery reignites hope for „white hydrogen” as a truly clean, locally available energy source.
The study, detailed by ScienceAlert, measured both hydrogen concentration and the rate of its emission over up to 11 years in some locations. This is the first time the deposit’s potential has been assessed with such precision. Hydrogen, often called the fuel of the future, produces only water when used, but its industrial production is expensive and energy-intensive, often relying on fossil fuels.
A hidden treasure under our feet
Natural, or „white”, hydrogen has long been of interest mainly to microbiologists studying subsurface ecosystems and organisms that depend on it. The new findings suggest these geological reservoirs could become a realistic, local energy option where conditions and infrastructure allow. The key challenge remains determining the global scale of such deposits and the economic viability of extraction.
Until now, the economic focus has been on producing hydrogen via electrolysis or from natural gas, both with significant carbon footprints or high costs. White hydrogen bypasses these issues entirely, as it exists naturally in the Earth’s crust. The Kidd Creek deposit is not the only one; similar seeps have been found in Mali, Brazil, and elsewhere, but Canada’s discovery is among the best documented.
The race for decarbonization
– The world is in a race to increase the availability of hydrogen to decarbonize the economy and lower the costs of the existing hydrogen economy – said Barbara Sherwood Lollar, a geologist at the University of Toronto. Her comments underscore the urgency behind exploring natural sources. If extraction proves feasible, white hydrogen could complement green hydrogen from renewables and blue hydrogen from fossil fuels with carbon capture.
For now, the deposit near Kidd Creek – one of the deepest mines on Earth – serves as a living laboratory. Researchers continue to monitor gas flows and study the geological conditions that generate hydrogen naturally. The potential for similar discoveries in Poland and other countries with ancient rock formations is also being discussed among geologists.
Źródło: WNP.PL, Fot. Shutterstock/Geraldick
