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İzoev - Fotoelektron - Pakpen - Paksiding Renewable Clean Power Systems - Photovoltaic, Thinfilm Tessera - Franke - Corin - Duravit - Marburg
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Most renewable energies are effected by solar energy; directly or indirectly. The wind is the result of the heating effect of the sun on the earth's atmosphere, as is hydropower. Plants (biomass) need sunlight to grow. Geothermal energy is an exception. It uses the heat of the earth's core. Although hydro turbines, biomass power stations and wind turbines utilize solar energy indirectly. The term solar energy is usually used to refer to devices which utilize the energy of the sun directly to produce both heat and electricity. These technologies are broadly categorized into two categories; active solar and passive solar. Passive solar is differentiated from active solar in that it does not have any moving parts or electrical components, it usually refers to architectural and constructional features which reduce the overall energy needs of buildings by keeping them warm in winter and cool in summer.
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