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Renewable Energy |
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Wind
Wind power is the conversion of wind energy to make electricity, using wind turbines. Large-scale wind farms are connected to the grid. Wind energy, as an alternative to fossil fuels, is plentiful, renewable, widely distributed, clean, and produces no greenhouse gases during operation. To find out more,
visit American Wind Energy Association.
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Here
Solar
Solar power is the conversion of sunlight into electricity, either directly using photovoltaics (PV) using the photoelectric effect, or indirectly, using concentrated solar power (CSP). Concentrated solar power systems use lenses or mirrors and tracking systems to focus a large area of sunlight into a small beam. To find out more,
visit Solar Energy Industries Association.
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Here
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Renewable
Energy Transmission Company (RetCo), Inc.
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Retco. 2010. |
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Geothermal
Geothermal energy is energy obtained by tapping the heat of the earth itself, both from kilometers deep into the Earth's crust in volcanically active locations of the globe or from shallow depths, as in geothermal heat pumps. Three types of power plants are used to generate power from geothermal energy: dry steam, flash, and binary. To find out more,
visit Geothermal Energy Association.
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Here
Small Hydro
Whereas the term hydroelectric energy is a term usually reserved for large-scale hydroelectric dams. Run of the River hydroelectricity systems (or “small hydro”) derive kinetic energy from rivers and oceans and drive a turbine, without using a dam. To find out more,
visit National Hydropower Association.
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Here
Biomass
Biomass (plant material) is a renewable energy source because the energy it contains comes from the sun. Through the process of photosynthesis, plants capture the sun's energy. When the plants are burned, they release the sun's energy they contain. In this way, biomass functions as a sort of natural battery for storing solar energy. In general there are two main approaches to using plants for energy production: growing plants specifically for energy use, and using the residues from plants that are used for other things. To find out more,
visit Biomass Power Association.
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Here
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