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Showing posts with label solar panels san diego. Show all posts
Showing posts with label solar panels san diego. Show all posts

Saturday, August 10, 2013

On the Many Benefits of Installing Solar Panels

Gone are the days when sunlight was dismissed as a mere source of heat. With the invention of the solar panel, mankind can now utilize sunlight as an alternative source of electricity. More and more people are realizing the many benefits of having solar power breathe life into their appliances and other machinery. This is why power companies that offer solar panel installation services are starting to emerge.

Homeowners who are using solar panels are more likely to save money. Unlike electricity rates that continue to fluctuate at the slightest market disturbance, the price for solar power will not surge since the energy source – which is the sun – will not be waning in the near future. Residents will also be able to fulfill their role as responsible citizens with the help of solar panels, as they would no longer have to rely on dirty fossil fuels like coal, gas, and oil to survive.

With solar power in his grasp, one can stop depending heavily on foreign energy. Doing so has caused a dent in the nation's national security and economy. As such, turning to solar energy may be a solution to this growing problem, as it has the potential to stop the ascent of the demand for energy. There is also a chance that the probability of foreign wars, price spikes, and disasters related to energy issues will significantly drop through the power of the sun's light.

Monday, July 29, 2013

How Solar Cells Power Your Devices

The hype over solar energy has been going around for decades, and technologies that use them, like calculators, solar cars, and solar lamps, are now a common thing. The dream is to someday harness all the energy that the sun radiates to the Earth to lessen demands for electricity; but for now, powering individual devices would do.

Solar cells are used for many things, but not a lot of people truly understand how sunlight is converted into electricity. The answer to that question lies within that small box of black panels you see on your calculators.

Solar cells, which are also called photovoltaic (photo means light and voltaic means electricity) cells, directly convert light into electricity by using semiconductors like silicone. When light enters the panels and hits the cells, the semiconductors knock off a few portions of light and absorb the rest. The absorbed portion is turned into energy and is then to a free flowing electricity by knocking off a few electrons.

When the electricity starts flowing, it is guided by an electric field produced by the solar cells. This current is than tapped by metal contacts that guide the electricity to power a  particular device.

For devices that demand a lot more power, a battery may be installed in the system to hold the power provided by the solar cells. An inverter that would regulate or convert the energy may also be used.