When you think of geothermal energy, you might envision cozy homes warmed by ground source heat pumps or commercial buildings kept cool and comfortable. But there’s so much more to this powerful resource. Did you know it also plays a significant role in generating electricity? Let’s dig deeper into this fascinating renewable resource.
Geothermal Energy Beyond the Basics
While geothermal energy is increasingly being used to heat and cool residential and commercial buildings, it is also a powerful renewable resource for electricity generation. By harnessing high-temperature hot water, we can produce steam to drive turbines and generate power. Fun fact – the United States leads the world in geothermal electricity generation capacity. With an impressive 3,900 megawatts as of 2023, the US is ahead of the game, followed by Indonesia and the Philippines. As the race to meet renewable energy goals heats up, so does the demand for geothermal energy.
The Role of Geochemistry in Geothermal Exploration
Geochemistry is a vital tool for exploring geothermal resources and managing existing geothermal electricity generation infrastructures. Why is this important? Drilling is the most expensive component of geothermal exploration programs, and conceptual geological and geophysical models are critical for targeting resources effectively. Geochemistry forms the backbone of these models, estimating resource temperatures and assessing the chemistry of hot waters to ensure they’re worth the investment. Once geothermal systems are operational, geochemistry steps in again to tackle well scaling, to choose the right materials and alloys suitable for drill casings and piping, and to fine-tune operational settings like well head pressures.
EHS Support’s Geochemistry Expertise
EHS Support offers specialized geochemistry services tailored to the high-temperature geothermal industry. Our experienced team collaborates with leading practitioners and researchers, providing expertise in field sampling, theoretical modeling, and experimental methods to address geothermal challenges. The individual backgrounds of our experts allow us to provide geochemistry expertise in high-profile domestic and international geothermal science projects.
Our geochemists are focused on using geochemistry to solve real world problems, including exploring Rare Earth Element extraction from spent geothermal fluids.
Projects Around the Globe
Our expertise has taken us to Indonesia, where we conducted due diligence reviews for drilling finance applications under the Geothermal Resource Risk Mitigation program, backed by the World Bank and the Government of Indonesia. We’ve also lent our geochemistry knowledge to a greenfield geothermal exploration project in northern Dominica, funded by the New Zealand Caribbean Facility for Renewable Energy.
But that’s not all! We’ve been sought after for confidential geothermal resource assessments in California and Central America. Our team played a role in the Iceland Deep Drilling Project, where we encountered supercritical water conditions in the deepest, hottest geothermal well drilled to date. And let’s not forget our work with the Hydrothermal Dynamics of Yellowstone Lake, where our geochemical assessments helped develop a conceptual understanding of hydrothermal explosion hazards beneath the lake.
Conclusion
Beneath the surface, geothermal energy offers more than just heating for your home; it’s about harnessing the Earth’s natural warmth to power our future sustainably. With the growing demand for renewable energy, geochemistry and geothermal exploration are crucial players in this exciting field. At EHS Support, we’re committed to pioneering the way forward with our geochemistry expertise. Want to learn more or collaborate on a project? Reach out to Andrew Fowler!
Andrew Fowler
Senior Geologist, Ph.D.
442-287-9357
andrew.fowler@ehs-support.com
