Geothermal energy is a form of energy conversion that captures heat from within the Earth and uses it for applications like cooking and power generation. The heat comes from radioactive decay of potassium and uranium in the Earth's crust. The first geothermal power plant was a dry steam plant, which uses naturally occurring steam to drive a turbine and generator without needing to burn fossil fuels. This plant type emits only excess steam and minor gases. Commonly, geothermal plants involve pumping high-temperature fluids underground into a tank, where some fluids vaporize due to lower pressure and drive a turbine connected to a generator. Geothermal energy has advantages of being renewable, environmentally friendly and reliable, but is limited by location and