How to Bring a Geothermal Well Back from the Dead
Startup Zanskar has created one of the most productive geothermal wells in the US at a power plant that had been in decline for years.
Geothermal energy has experienced a renaissance, with Zanskar, a geothermal company, successfully reviving a power plant at its Lightning Dock site in New Mexico. The site had been losing heat rapidly from its shallow wells, but after drilling a new, deeper well and employing innovative drilling technology and artificial intelligence, Zanskar claims the plant is now one of the most productive pumped geothermal wells in the US.
The new 8,000-foot well has been operating for a full year, providing sufficient heat to run the power plant without issues. Zanskar's use of AI helped identify hidden geothermal systems, and by purchasing an existing site with a power plant, the company offset significant costs. While deep drilling is more challenging and costly, Zanskar's success demonstrates the potential for old well sites to still be worthwhile.
The geothermal industry is seeing an investment surge, with venture capital and private equity investment in geothermal startups reaching $432 million in the first six months of 2026.
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