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Dan, Danielle, Hillary. Geothermal Energy . What is Geothermal energy. Geothermal energy is a form of energy that comes from the earths natural heat It comes from radioactive decay and sunlight It is efficient and inexpensive However it is limited to the edges of the tectonic plates.
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Dan, Danielle, Hillary Geothermal Energy
What is Geothermal energy • Geothermal energy is a form of energy that comes from the earths natural heat • It comes from radioactive decay and sunlight • It is efficient and inexpensive • However it is limited to the edges of the tectonic plates
advantages • The power is constant • It is very clean energy • The power is renewable • New technologies have made it more accessible to other areas of the world
Disadvantages • Geothermal energy has low heat so unless the exhaust can be directly used the heat left over is wasted • It is limited to areas around the tectonic plate and other geothermal hot spots • Wells drilled release co2 and other pollutants.
How do the plants work • Dry Steam Plants- these plants use geothermal steam to power turbines. • Flash Steam Plants- use pressurized water to flash into steam and turn turbines • Binary Cycle Plants- these are the newest plants that use a liquid with a boiling point lower than water and different pressures to flash steam and turn turbines
Heat uses • Most of geothermal heat is used in space heating. • A third of the energy is used for heating pools • The leftovers are used for agricultural uses
What are the top three countries using this energy • 1-usa • 2-Phillipines • 3-indonesia