Among the most common devices used to capture solar energy and convert it to thermal energy are flat plate collectors which are used for solar heating applications.
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As of 2011 the technology produced less than one tenth of one percent of global energy demand.
Solar energy is radiant light and heat from the sun that is harnessed using a range of ever evolving technologies such as solar heating photovoltaics solar thermal energy solar architecture molten salt power plants and artificial photosynthesis.
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Because the intensity of solar radiation at earth s surface is so low these collectors must be large in area.
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Solar energy is the technology used to harness the sun s energy and make it useable.
It is an essential source of renewable energy and its technologies are broadly characterized as either passive solar or active solar depending.
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Energy efficiency is extremely vital for environmental as well as financial grounds.
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As a number of eco friendly technologies have been developed like wind and solar related devices which more more people must employ to create eco friendly energy.