Why is geothermal energy considered to be a stable resource?

Harnessing geothermal energy does not involve any fuels, which means less cost fluctuations and stable electricity prices. ... Geothermal energy is generally considered environmentally friendly. ... Further development of our geothermal resources is considered helpful in the fight against global warming. read more

Geothermal energy is an energy source that is derived from geothermal system. This system ideally consist of several aspect which is heat sources, permeable rock layer with fluid in it (reservoir) and impermeable rock layer (cap rock) on top of it to accumulate and prevent the heat from escape to the surface. read more

Geothermal energy refers to energy that is captured from the Earth's crust ( geo referring to Earth and thermal referring to heat). This can be done a few ways: the ground, for the first 10 feet or so, is a near constant temperature of 10 C - 16 C degrees. read more

About the Geothermal Energy Association: The Geothermal Energy Association (GEA) is a trade association composed of U.S. companies and organizations that support the expanded use of geothermal energy and are developing geothermal resources worldwide for electrical power generation and direct-heat uses. read more