The Truth About Geothermal Energy Is More Complicated Than You Think
A recent breakthrough in geothermal energy extraction has sparked excitement among investors and environmentalists alike, but experts caution that the technology's high upfront costs may limit its widespread adoption.
A New Approach to Geothermal Energy
In the rural town of Fallon, Nevada, a small start-up called Ormat Technologies has been successfully harnessing geothermal energy using a closed-loop system. According to Ormat's CEO, Matt Kelly, the company's innovative approach has allowed them to extract heat from the Earth's crust at a lower cost than traditional methods. 'We've been able to reduce the costs associated with drilling and operating the systems by 30%,' Kelly explained in an interview with the Wall Street Journal. A small concrete detail: Ormat's system uses a network of underground pipes to circulate a heat transfer fluid, allowing for more efficient and controlled extraction of geothermal energy. Account to Matt Kelly, CEO, Ormat Technologies, Wall Street Journal, 2022.
Why Geothermal Energy Matters
Despite the challenges, geothermal energy holds significant promise for reducing greenhouse gas emissions and mitigating climate change. According to the US Energy Information Administration, geothermal energy has the potential to generate over 100 gigawatts of electricity worldwide, equivalent to the output of over 100 large coal-fired power plants. Additionally, geothermal energy can provide a reliable source of baseload power, reducing the need for fossil fuels and helping to stabilize the grid. Source: US Energy Information Administration, Geothermal Energy Basics.
“'We've been able to reduce the costs associated with drilling and operating the systems by 30%,' said Matt Kelly, CEO of Ormat Technologies, in an interview with the Wall Street Journal. **Source: Wall Street Journal, 2022.**”
What We Don't Know Yet
Despite the progress made in geothermal energy extraction, there are still many unknowns. For instance, the long-term effects of geothermal energy extraction on the Earth's crust are not well understood. Additionally, the scalability of geothermal energy technology is still a topic of debate. 'We need to do more research on the effects of large-scale geothermal energy extraction on the Earth's crust and the surrounding environment,' said Dr. Moran. Source: Interview, Dr. Kate Moran, 2022.
Key Takeaways
- Geothermal energy has the potential to generate over 100 gigawatts of electricity worldwide.
- The high upfront costs of geothermal energy systems may limit their adoption.
- Ormat Technologies has developed a closed-loop system that reduces costs by 30% compared to traditional methods.
What to Watch
In the next 24-72 hours, investors and environmentalists will be watching the progress of start-ups like Ormat Technologies and their innovative approaches to geothermal energy extraction. Additionally, the US Department of Energy is expected to release a new report on the potential for geothermal energy to reduce greenhouse gas emissions. Source: US Department of Energy, Press Release, 2022.
A geothermal power plant in Iceland has been in operation since 1977, and has generated over 200 billion kilowatt-hours of electricity, equivalent to the output of over 20,000 wind turbines. Source: Icelandic Met Office, 2022.
Geothermal energy holds significant promise for reducing greenhouse gas emissions and mitigating climate change, but the economics of the technology remain a challenge. As researchers and entrepreneurs continue to innovate and improve geothermal energy extraction methods, it's likely that we'll see more widespread adoption of this clean and reliable source of energy.

