RHYS LEWIS, AHS, DECD, UNISA / ANIMATE4.COM / SCIENCE PHOTO LIBRARY RHYS LEWIS, AHS, DECD, UNISA / ANIMATE4.COM / SCIENCE PHOTO LIBRARY
Energy efficiency of solar panels. Animation showing the energy efficiency of photovoltaic cells in domestic solar panels. When exposed to sunlight, these convert the energy of incoming photons into electrical voltage. 20% of the incident light energy is converted into electrical energy for use in the building, 3% is reflected, and 77% is lost as heat.
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