Geothermal Technology Office

EGS are artificial reservoirs created underground in areas with hot rock, where fluid pathways are enhanced through safe drilling processes to increase connectivity. These pathways allow fluid to flow through the hot rock, bringing heat to the surface for electricity generation.

Various techniques used to enhance the productivity of oil and gas wells, including hydraulic fracturing.

An underground heat pump system at Kameha Grand hotel in Germany that uses six geothermal wells at 28 meters depth to provide heating and cooling for 80,000 square feet of building space, supplying all cooling and 70 percent of heating needs while saving approximately 1,700,000 kWh annually.

Oklahoma

Nevada

California

A DoE-funded analysis examining the potential for geothermal heat pumps to decarbonize US building heating and cooling at scale, including grid impact modeling and economic benefits assessment.

A Department of Energy Energy Earthshot initiative designed to reduce geothermal energy costs by 90% by 2035 and accelerate commercial adoption of geothermal technology for electricity generation and heating/cooling applications across US communities.

A polymer-based fracturing fluid designed for enhanced geothermal systems that creates small cracks in impermeable bedrock. The fluid is non-toxic, recyclable at low cost, and capable of withstanding extreme pressures, temperatures, and acidity levels.