#Department of Energy

Heat exchangers for the binary geothermal system at the Blundell Geothermal Plant in Utah. At left are the cooling towers of the single-flash unit at the plant and the main generating building. (photo by: Jon G. Fuller/VW Pics/ Universal Images Group via Getty Images)

Energy startup says it has achieved geothermal tech breakthrough

Geothermal power plants are carbon-free and can operate any time, making them a critical part of a 100 per cent carbon-free electric grid