Scientific studies are shedding new light on an unexpected source of energy for heating houses and generating electricity - the sun.
The sun directly or indirectly is the primary source for many forms of energy found on the planet. Solar energy is clean, abundant and renewable.
Though we think of solar energy as a new discovery, ancient civilizations found innovative ways to utilize solar energy. Among them, the Greeks, Romans and Chinese all developed ways to use solar warmth for their houses, which includes using southern exposures to maximize solar heating and making use of solar lighting.
Currently, thanks to innovative technologies, it's possible to capture this energy, concentrate it, store it and convert it directly into electricity.
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The sunlight is converted into electricity using solar cells. Solar cells are also called photovoltaic cells, or "PV cells" for short. PV cells were initially developed in the fifties for use in American space satellites.
Today, they're used for power needs ranging from telecommunications to rural electrification. Solar cells may be found on items we use daily, such as calculators, flashlights, radios, landscaping lights and children's toys.
Portable PV units are also out there for emergency and disaster use, such as keeping cell phones and smaller appliances charged when the user is away from the grid or during blackouts.
Consumers can harness the energy of the sun for themselves much more easily than ever. Solar panels you see on buildings and homes have been out there on the market for decades. New systems which combine solar energy into roofing shingles are now aesthetically pleasing, efficient and sturdy.
2006 ushered in new tax credits for solar energy technologies and consumers might also be eligible for state rebates.
For more information, consult with a tax professional, or contact the IRS for the latest in tax credit info.
Sunlight isn't only used to generate electricity. It's also used to heat water, which can be used to warm houses and businesses. Solar-powered radiant heating systems run some industrial processes and drive turbines to generate electricity. Several solar thermal technologies have been used in houses for decades and can last more than 20 years.
Specialists believe that solar energy technologies can benefit this nation in several ways. They have the potential to help diversify this country's energy supply, decrease the dependence on imported fuels, improve air quality, offset greenhouse gas emissions and boost the economy by helping to generate jobs in the manufacturing and installation of solar powered energy systems.
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