Unisolar
New articles: Unisolar from http://www.nationalsolarsupply.com
 Unisolar, and Solar Kits information: Today's more efficient, less expensive solar cells provide a practical means of converting the sun's power into electricity to run our gadgets and gismos (see sidebar "from photons to electrons"). If a hair dryer is rated at 1,200 watts at 120 volts, it will draw 10 amps (1,200 watts=120 volts x 10 amps). Concentrating solar energy is the least expensive way to generate large-scale electrical power from the sun's energy and therefore has the potential to make solar power available at a competitive rate.
About Unisolar
The house is plumbed for a solar-powered hot water system that will cut costs further by enabling his hot-water heater to start with warm water instead of cold. Monocrystalline-silicon solar cells have a theoretical efficiency of about 30%, and efficiencies greater than 20% have been achieved under laboratory conditions. |
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