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Published byCharla Dennis Modified over 8 years ago
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Renewable energy is energy which comes from natural resources such as sunlight, wind, water, and geothermal heat, which are renewable within a REASONABLE period of time.
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A term used to describe energy sources that exist in a limited amount on Earth and are utilized at a rate faster than they can be replenished.
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Solar energy is defined as “energy derived from the sun in the form of solar radiation.” Solar energy is used in a variety of applications such as heating water, heating homes, and creating electricity, and many more applications are still being produced.
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Passive solar is considered to be in use when the sun is providing some form of energy without any use of mechanics. Some examples of passive solar are heating a home through strategically placed windows, or heating a house’s water tank located on the outside of the home.
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Active solar on the other hand is considered to be in use when the sun is providing some form of energy through the use of mechanics. Some examples of active solar are heating a house’s water via energy collected by a panel outside of the house, and solar arrays that move to follow the sun allowing them to catch more sunlight throughout the day.
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Photovoltaics are solar panels which are used to capture energy which is then transferred to electricity. This form of solar energy has seen a huge increase in popularity recently as they can be installed almost anywhere where there is a significant amount of light and can cut down on an electric bill.
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Daylighting is a form of passive solar in which large windows are placed on a house to allow the house to be well lit and heated by the sun allowing for a decrease in reliance on electrical systems serving the same purpose.
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A solar power tower is a large tower constructed in the middle of a field of solar arrays which reflect light at the tower. The tower can be filled with water that is heated by the sun, or photovoltaics which would transfer the sun’s energy into electrical energy.
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Not incredibly efficient at this time. Lack of sufficient battery storing sources Cost Aesthetics
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