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Components In Picking Out Home Solar Power Panels

By Nathan Henry

What exactly are home solar panel systems? The primary purpose of a solar panel is to transform sunlight in to usable electricity. This effect is a physical manifestation of the photovoltaic effect. Solar panels are comprised of solar cells which are gathered together within a frame. Every solar cell has the capability to transform the sunlight in to useful electricity. However, the conversion rate of each cell is somewhat limited when measured in total wattage output. Basically, every cell only produces an amount of electrical power equivalent to 1 to 2 Watts. For that reason an extremely large quantity of solar cells need to be built-into each solar panel, and usually a significant number of panels are linked in order to form a so called solar panel array. This process is essential to produce a usable volume of solar energy for a complete home.

This joining of solar cells collectively in order to establish higher power is an inherent advantage of the solar cell system. It follows that after you require additional power for personal consumption, you just add more panels.

There are many kinds of solar power panel, that have different power generating characteristics ad functions based mostly on the material from which they are made. They can be made up of either thin-film, monocrystalline, or polycrystalline modules. The Thin-film solar cell includes alloys (amorphous-silicon) which are stored in thin layers deposited on a substrate. This means it can be quite supple (dependent on the substrate used) and it is therefore more easily applicable in certain environments.

Monocrystalline, on the other hand, is created from one silicon crystal rod and can be regarded as having a rigid structure. The silicon rod is cut into thin wafers to be able to provide the base within which solar cells are formed. Polycrystalline solar cells are processed from numerous silicon crystals that are heated collectively, and then cooled down in molds to form ingots of silicon. The ingot is then cut in to wafers and processed as before to be able to produce solar cells.

The effectiveness of a home solar power panel is measured by the ratio of the output and input power. Generally solar panels return an efficiency range of from approximately 10 % to about 19 percent. As might be expected, the higher the efficiency rating obtained, the more likely the cost of each panel is likewise higher. When planning a new installation therefore, it is necessary to take into account initial installation prices against better long-term efficiency savings to make the best choice for you.

Determining the right solar power panels therefore requires an understanding of some specific parameters. These parameters will allow you to decide which solar panel to utilize in your application. Three essential measurements to be aware of include ‘efficiency’, ‘rated power at STC’, and ‘rated power per square foot’. ‘Efficiency’ is the ratio of the output power of the solar power to the input power of the sunlight hitting it. ‘Rated power at STC’ measures the total output in watts from the panel under Standard Test Conditions. ‘Rated power per square foot’ is the power output of the solar panel at Standard Test Conditions per square foot of the panel’s surface.

Lastly, modern home solar power panel designs maximize the generation of electricity from solar energy and are now a very workable option if you would like harness this type of ‘renewable’ energy to satisfy your personal home consumption.

Looking to find the best deal on solar panel, then visit to find the best advice on solar panels for home for you.

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Article Citation
MLA Style Citation:
Henry, Nathan "Components In Picking Out Home Solar Power Panels." Components In Picking Out Home Solar Power Panels. 3 Jul. 2010. 4 Oct 2014 <>.

APA Style Citation:
Henry, N (2010, July 3). Components In Picking Out Home Solar Power Panels. Retrieved October 4, 2014, from

Chicago Style Citation:
Henry, Nathan "Components In Picking Out Home Solar Power Panels"

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