The Geothermal Gold Rush: A History of Trial and Error

Imagine a world beneath our feet, bustling with untold energy potential. We’re not talking about coal or natural gas, but something far cleaner, far more sustainable: geothermal energy. For centuries, humanity has tapped into obvious geothermal hotspots – think the spectacular geysers of Yellowstone or the steaming hot springs around the globe. These surface spectacles are like neon signs pointing to the power below. But what about the vast majority of geothermal resources, hidden thousands of feet underground, with no visible clues? For decades, these “blind” systems have remained tantalizingly out of reach, representing a massive missed opportunity for clean power. Until now.
The game is changing, and the catalyst is something you might not expect: Artificial Intelligence. This isn’t science fiction; it’s the cutting edge of energy exploration, and it’s set to revolutionize how we power our planet. We’re on the cusp of uncovering a treasure trove of clean, constant energy, all thanks to AI’s newfound ability to see what humans couldn’t.
The Geothermal Gold Rush: A History of Trial and Error
Historically, the search for new geothermal sites was less a science and more an expensive gamble. Companies would spend fortunes on “brute force” drilling, sinking deep wells in promising areas, hoping to hit a reservoir with sufficient heat and permeability. It was a painstaking, costly, and often fruitless endeavor. You’d drill, drill, and drill some more, only to find the temperatures weren’t high enough, or the rock wasn’t porous enough to allow fluid circulation.
This approach worked fine for the easily identifiable spots – places where hot springs or fumaroles gave a clear indication of subsurface heat. But the vast, unexplored regions, devoid of surface markers, remained largely untouched. These “blind” systems, while potentially enormous, were simply too difficult and too risky to find using traditional methods. The industry knew they were out there, but cracking the code to locate them felt like an unsolvable riddle, a challenge that had stumped geologists and engineers for generations.
AI’s X-Ray Vision: Peering Beneath the Surface
Enter companies like Zanskar, a startup that’s now rewriting the rules of geothermal exploration. They’ve harnessed the immense power of AI and other advanced computational methods to do what was once considered impossible: pinpointing these hidden geothermal systems with unprecedented precision. Just recently, Zanskar announced a groundbreaking discovery in the western Nevada desert – a blind geothermal system, dubbed “Big Blind,” identified and confirmed as a commercially viable prospect. This isn’t just another find; it’s the first confirmed blind system of commercial potential in over 30 years, a truly monumental achievement.
So, how does AI achieve this seemingly clairvoyant feat? It starts with data, lots of it. Zanskar trains its regional AI models on everything from known hot spots to sophisticated geological simulations. Then, they feed these models a rich diet of diverse information: satellite imagery, seismic data, gravity data, magnetic data, and crucial details about fault lines and rock formations. The AI sifts through this immense complexity, identifying subtle patterns and correlations that would be virtually impossible for a human team to discern.
As Carl Hoiland, Zanskar’s cofounder and CEO, puts it, “If there’s something learnable in the earth, even if it’s a very complex phenomenon that’s hard for us humans to understand, neural nets are capable of learning that, if given enough data.” It’s about letting the AI find the ‘invisible thread’ connecting disparate geological clues, painting a picture of where high temperatures, accessible depths, and permeable rock – the essential ingredients for a successful geothermal plant – are most likely to converge.
From Algorithms to Actual Wells: The Zanskar Process
The journey from an AI model’s prediction to a confirmed energy source is a multi-stage process, meticulously blending cutting-edge technology with boots-on-the-ground fieldwork. Once the AI models identify a promising hot spot, often spanning an area of around 100 square miles, a field crew is dispatched. Their mission? To gather additional, more localized information. This involves techniques like drilling shallow holes to measure underground temperature gradients, providing a crucial ground-truthing step for the AI’s predictions.
For the “Big Blind” site, this initial prospecting provided Zanskar with enough confidence to take the significant step of purchasing a federal lease, paving the way for full-scale development. With the lease secured, the team returned with large drill rigs in July and August, sinking wells thousands of feet into the earth. The result? They found exactly what their models predicted: hot, permeable rock at an accessible depth. Specifically, the Big Blind reservoir reaches an impressive 250°F at approximately 2,700 feet below the surface – a perfect candidate for a geothermal power plant.
This isn’t the end of the road, of course. The next steps involve securing permits to build the plant and connect it to the grid, as well as lining up the necessary investments. The team will also continue long-term testing at the site, meticulously tracking heat and water flow to ensure optimal, sustainable operation. But the critical first hurdle – finding and confirming the resource – has been cleared with remarkable success, validating AI’s transformative potential.
The Future is Heating Up: A New Era for Clean Energy
The implications of Zanskar’s achievement extend far beyond a single site in Nevada. As global electricity demand continues to soar, the need for reliable, constant, and clean power sources has never been more pressing. Geothermal systems, unlike solar or wind, provide baseload power – meaning they can operate 24/7, regardless of weather conditions or time of day. And crucially, they do so without emitting the greenhouse gases that contribute to climate change.
This discovery marks “the start of a wave of new, naturally occurring geothermal systems that will have enough heat in place to support power plants,” says Joel Edwards, Zanskar’s cofounder and CTO. Indeed, Zanskar already has “dozens of sites that look just like this” identified by their technology. Their impact isn’t limited to new finds; they’ve also used their tools to revive previously explored but undeveloped sites and even purchased and recommissioned an existing geothermal plant in New Mexico.
Experts like John McLennan, technical lead for resource management at Utah FORGE (a national lab field site for geothermal energy), agree that this methodology is desperately needed. The ability to “look for large-scale features” and identify blind systems promises to unlock a vast, untapped reservoir of clean energy, significantly expanding the global geothermal footprint. We are truly entering a new era of energy exploration, where intelligent algorithms are leading us to the planet’s hidden power, paving the way for a more sustainable future.




