
Geothermal energy is heat from the Earth. It’s clean and sustainable. Geothermal energy resources can range from the temperature effects found in the first ten feet underground to the hot water and the hot rock found a few miles beneath the Earth’s surface, or even deeper to the extremely high temperatures of molten rock, or magma. In most locations the upper 10 feet of the Earth’s surface maintains a nearly constant temperature of between 50° to 60°F (10° and 16°C). Geothermal... (more...)






