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How Much Do Solar Panels Cost?
Output of small electronic devices powered from the sun began in the early '70s. Today's solar panels are able to supply the entire United States. In order to "recruit" the sun to produce about 4000 to the billions of kWh needed, it might be necessary to install solar power panels with an area of 32 000 sq km, which can be equal to the area of military training ground in Nevada.
Sunrays falling on the surface of the silicon solar power panels, are generating voltage. It all depends on the amount of light falling on the panel. The more light, the harder energy can be generated. Energy in the form of electricity (Direct Current, DC) can be utilized in thousands of ways, from lighting of the bulb to powering laptops computer. This is obviously a very simplified system, but fully functional. To be able to use it in practice, we need more auxiliary devices, including voltage regulator, batteries accumulating energy, inverters, etc.
Advantages of solar system are:
- No moving parts,
- Suprisingly low operating costs,
- Easy installation,
- Safe, low voltage installation,
- Easy control.
The only drawback is the relatively high cost of solar panel. A 150-watt panel with costs between 600-800 dollars, with regards to the amount that we buy. How can you quickly calculate, entirely sun so the panel can be assigned to only two 75-watt bulbs. Has to be added to the cost of installing control devices and batteries.
Fortunately, the government helps to deal with the price of the investment. In most states you will find programs for co-funding the building of domestic solar, wind or water energy sources. In the state of New York grants reach 4.5 dollar per watt of installed solar power panels. In New Jersey, with regards to the size of the installation, up to 5.5 dollar per watt. It has an opportunity of getting interest-free loan and 25% return from the tax. Thanks to all across the costs incurred can be reduced by 60%
An illustration:
3-kilowatt system installed by way of a specialist (around $ 8 per watt): 24 000 dollars.
State refund $ 4 per watt: 12 000 dollars.
Installation cost: 10 500 dollars.
Tax refund of 25%: 2625 dollars.
The final cost:9375 dollars.
Just thought you may be interested in reading this guide: solar panels cost and cost of solar panels.
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