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Cost Of Solar Panels

Claire Said:

Why does it cost so much to buy small solar panels? I am trying to do a good deed for earth week why so much?

We Answered:

They say about pv cells that the cost return takes 7 years, meaning that it'll take you 7 years to save on electricity what you paid for the cells. Most of us expect to need electric for a long time, so it is worth it. The only question is, will the cells continue to work for 7 years. They are working on more cost effective solar technology, but as of yet, none has been effective.

Alfredo Said:

how much is the cost of solar panels and green deck?

We Answered:

Solar panels range from 200$-5000$-whatever you like.
But if you want to make your own solar panels for really cheap price, follow this link
http://www.ziddu.com/download/9383725/Ho…
If you want to make bio-diesel follow this link
http://www.ziddu.com/download/9383724/Bi…

Deanna Said:

i read tht the cost of solar panels is in cost per watt...wat does tht mean exactly?

We Answered:

It is the number of watts that it produces at one time. Like if you have a hair dryer that is rated at 1000 watts. Any time that it is turned on high it is using a thousand watts, if you use it for 6 minutes you have used 100 watt hours and if you use it for a full hour you used 1000 watt hours. If you have that 200 watt solar panel in direct sunlight for 1 hour it will make 200 watt hours of electricity, if it is there for 3 hours it will have made 600 watt hours. You would need 5 of my 200 watt panels (200 * 5 = 1000) pointed directly at the sun to run the hair dryer if you don't have a battery to save up the power. It can also be thought of like driving your car at say 60mph the longer you drive the farther you get. If you look at an electric bill it is in kilowatt hours used.

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