This is what enhanced geothermal systems (EGS) are all about: Pumping external water into hot, dry systems. Most of the work is focused on either opening natura

This is what enhanced geothermal systems (EGS) are all about: Pumping external water into hot, dry systems. Most of the work is focused on either opening natural fractures or creating new ones between an injection well and an extraction well, so the volume of rock in which heat is extracted is much larger.