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Grid-Tie System Cost Guide
System Size
(in watts per hour) |
Grid-Tie System Example |
Monthly Output Capability (based on 5 hours of direct / insolated sunshine per day) |
Approximate Cost, BEFORE subtracting up to 30% of cost Federal Tax Credit or state rebates or local financial incentives. |
680-1,500 |
WSS Select 1,470-watt |
100-200 kWh |
$3,740-$7,500 |
1,500-2,800 |
WSS Select 2,520-watt |
210-390 kWh |
$7,500-$12,000 |
2,800-3,100 |
WSS Select 2,940-watt |
390-510 kWh |
$12,,000-$13,250 |
3,100-4,500 |
WSS Select 3,150-watt |
510-660 kWh |
$13,250-$20,000 |
4,500-6,500 |
WSS Select 5,460-watt |
630-850 kWh |
$20,000-$28,000 |
6,500+ |
WSS Select 10,080-watt |
850+ kWh |
$28,000+ |
These figures are based on complete solar power systems that Wholesale Solar sells. Prices are approximate as of July 14, 2009. Prices do not include freight, tax, installation, or auxiliary battery back-up systems.
Check out solar rebates and financial incentives in your state!
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View grid tie systems.
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Comparing the True Cost of Utility Company Electricity with that of Solar Energy
Conventional fuel sources—oil, gas, coal, nuclear—have created a huge number of environmental problems. We pay with tax dollars, with higher prices for consumer goods, and with lower quality of life for acid rain, smog, water pollution, overflowing waste disposal dumps, the steady loss of natural resources, global warming and distruction of natural habitats.
Solar technology is allowing us to avoid many of these potential disasters. The silicon from one ton of sand has the potential to produce as much electricity as 500,000 tons of coal. One medium sized solar system will save the earth from 6,000 lbs. of carbon dioxide pollution.
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