Renewable Energy Sources

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Five common sources of alternative or renewable energy.

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Renewable Energy Sources

  1. 1. Energy that comes from natural resources that are naturally replenished.  Sunlight  Wind  Rain  Tides  Geothermal Heat
  2. 2. Derived from: The force or energy of falling water. Uses: Irrigation, operation of mechanical devices: watermills, sawmills, textile mills, dock cranes, domestic lifts. Image Source: http://www.fastcompany.com/1597414/hydropower-flush-cash-us-government
  3. 3. Derived from: Radiant light and heat from the sun Uses: Solar heating, solar photovoltaics, solar thermal electricity, solar architecture Image source: http://auziontech.com/
  4. 4. Image source: http://awakeatthewheel.net/2011/08/26/propel-partners-with-pcf-to-expand-renewable-fuel-access-across-western-u-s/
  5. 5. Derived from: Biological material from living, or recently living. Uses: Can be used directly or converted in to other energy products i.e. biofuel. Used directly: Plant matter used to generate electricity with steam turbines and gasifiers or produce heat usually by direct combustion. Examples: forest resides (dead trees, branches tree stumps), yard clippings, wood chips, green waste. Used indirectly: plant of animal matter than can be converted in to fibres or other industrial chemicals (including biofuels). Examples: miscanthus, switchgrass, hemp, corn, poplar, willow, sorghum, sugarcane, eucalyptus, palm oil.
  6. 6. Derived from: Thermal energy generated and stored in the Earth. Uses: Approximately 70 countries made direct use of geothermal heating in 2004. More than half went for space heating, and another third for heated pools. The remainder supported industrial and agricultural applications. Image source: http://pixiegas.com/forms-of-energy-pixie-gas-supports/geothermal-tech/
  7. 7. Derived from: The conversion of wind energy into a useful form of energy. Uses: Wind turbines to make electricity, windmills for mechanical power, windpumps for water pumping or drainage or sails to propel ships. Image source: http://thelincolnite.co.uk/2013/01/lincolnshire-people-against-wind-farms-council-survey-shows/

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