Geothermal Energy is energy extracted from hotstored in earth. Geothermal Energy This comes from tectonic activity earth that have occurred since planet was created. Hot It also comes from hot sun Absorbed by earth surface. EnergyThis has been used to heat (the room when winter or water) Since civilization Roman, But now more popular to generate electrical energy. About 10 Giga Watt geothermal power planthave been installed around world in 2007, and contributes about 0.3% of total electrical energy world.
Geothermal Energy quite economical and environmentally friendly, But limited only to the nearby area tectonic boundary layer. Geothermal Energy is the energy extracted from the heat stored in the earth. Geothermal Energy It comes from within the earth's tectonic activity that occurred since the planet was created. This heat comes from solar heat absorbed by the earth's surface. This energy has been used to heat (the room during the winter or water) since the Roman civilization, but is now more popular to generate electrical energy. About 10 Giga Watt of geothermal power plants have been installed worldwide in 2007, and contributes about 0.3% of total world electricity. Geothermal Energy quite economical and environmentally friendly, but limited only to the tectonic layers near the border area. Geothermal power plant can only be built in the vicinity of plate tectonics in which the high temperature geothermal resources are available near the surface. Development and improvements in drilling and extraction technologies have expanded the reach of the construction of a geothermal power plant from the nearest plate tectonics. Thermal efficiency of geothermal power plants tend to be low because of the geothermal fluid is at a lower temperature compared with steam or boiling water. Under the laws of thermodynamics, the low temperature limit the efficiency of heat engines in taking energy during generate electricity. Residual heat, except if it can be used locally and directly, eg for space heating. Efficiency of the system does not affect operational costs such as power generation of fossil fuels.
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