top 10 solar panel producers
1. Suntech
2. First Solar
3. Sharp Solar
4. Yihgli
5. Trina Solar
6. Canadian Solar
7. Hanwha Solarone
8. Sun Power
9. Renewable Energy Corporation
10. Solar World
2. First Solar
3. Sharp Solar
4. Yihgli
5. Trina Solar
6. Canadian Solar
7. Hanwha Solarone
8. Sun Power
9. Renewable Energy Corporation
10. Solar World
Although two solar panels may seem the exact same, there are a many of other factors you need to look at. Quality, age, and technology all play a role in the cost of the solar cell.
To compare the value of two solar cells the best way is to measure the dollars to watt ratio. The best deals on solar cells right now is about $4.30 per watt. So for a 50 watt solar panel, your cost would be about $215. Keep this in mind when figuring out the cost while purchasing solar cells and panels.
It is believe hardware prices will drop around 50% in the next few years as more companies invest in this technology.
100 square feet is needed for a 1kw system