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Solar Power

How Solar Power works, and how it is made.

taylor dehurdos

on 3 June 2010

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Transcript of Solar Power

Solar power works by sunlight where protons hit the solar panel. From there the photons hit a layer of silicon, a junction film and another layer of silicon. When the photons energy hits the panel, some electrons are hit loose allowing them to move freely. The panel also has a field that forces the electrons to move in one direction. By placing metal contacts on top and on the bottom of each cell you can make a current to power an external use.
Solar power can be used anywhere for heat or electricity. It can be used for heating water, heating spaces. It can power lighting as well. There are also solar-charged vehicles. Solar energy is found wherever the sun shines . Germany, a very cloudy , overcast place, also uses solar power. If you live in the Northern Hemisphere, you will want the solar panels facing South. If you live in the Southern Hemisphere, you will want the solar panels facing North. How does Solar Power Work? Where is Solar Power found? What is Solar Power used for? Is solar power expensive? Solar panels can be expensive, but solar energy is free. Seasonal Variation of the output of the solar panels at AT&T Park in San Francisco. (1 kilowatt-hour (kWh) = the amount of electricity required to burn a 100 watt light bulb for 10 hours.) What happens during a blackout? If there is a blackout, you will also be with out power. The inverter will shut down to avoid damage to appliances in your home and to prevent electricity back feeding into a grid. Solar Power
by: Matthew, and Taylor What Happens if you produce too much Solar Power? If you produce too much electricity that you don't use you will most likely be credited it for that on your bill. How ever much you produce will come off the bill. ( Usually at the same price they charge you for electricity.) Who used Solar Power first? Greeks and Romans used solar power first, using it to heat buildings and water.
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