# Geothermal energy - Use and working principle

Geothermal energy is energy that is gained thanks to an intensive heat that continuously flows outward from deep within the Earth. Word “geothermal” has its roots in two Greek words, “gheo” which means Earth and “thermal” which means heat. This energy is mainly generated from Earth's core since temperature of Earth's center is reaching temperatures above 6000 degrees Celsius which is even hot