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What are the solar energy issues you should consider for your home? 

Solar energy comes from the sun. There are two types of solar energy, light and heat, so there are two main ways of collecting solar energy.

  • Some solar collectors use the heat of the sun to heat water. They are called thermal collectors and an example would be a solar hot water system - typically found on house roofs.
  • Other solar collectors use the light from the sun to make electricity. These collectors are called Photovoltaic (PV) cells (Photo = light and voltaic = electricity). When the sun hits the PV cell, the little particles of light excite electrons in the cell and cause them to flow. Electricity is the flow of electrons.



Dr. Ronn Phillips, Arch.D., and Bobbi Hauptmann, Environmental Design, College of Human Environmental Sciences, University of Missouri-Columbia







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Last update: Monday, May 18, 2009




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