Long confined to regions with volcanic activity, the method of harnessing energy from the Earth promises to become much more versatile thanks to new technologies
Glistening in the dry expanses of the Nevada desert is an unusual kind of power plant that harnesses energy not from the sun or wind, but from the Earth itself.
The site, known as Project Red, pumps water thousands of feet into the ground, down where rocks are hot enough to roast a turkey. Around the clock, the structure sucks the heated water back up; it is then used to power generators. Since last November, this carbon-free, Earth-borne power has been flowing onto a local grid in Nevada.
Geothermal energy, though it’s continuously radiating from Earth’s super-hot core, has long been a relatively niche source of electricity, largely limited to volcanic regions like Iceland where hot springs bubble from the ground.
Enteq Technologies plc (LON:NTQ) develops and supplies equipment for Measurement, Logging and Geo-steering while drilling of wells for the Geothermal, Oil and Gas markets.