Going Solar The Easy Way
If you live in the US and you are interested in adding to your home check out and if you are in Canada, or the US, you can also use to figure out what sort of power your roof is capable of. Both are good examples of a Web 2.0 mashup. They use Google maps to zero in on your roof and then compare your roof angles, location, and known weather conditions for your area, to generate an estimate of how much power your roof can generate.
For example when I did our house
at Roofray (Sungevity does not do Canada) I got the following figures
| Potential | Power per Sq. Ft. | Area | Orientation | Total Peak Power |
| 69% | 8.5 Watts DC | 1065 Sq. Ft | 105.5° (E) | 9058.64 Watts DC |
Once you have done that you can click to calculate your month to month performance potential
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 565 | 652 | 1,184 | 1,613 | 1,911 | 1,966 | 2.291 | 1,980 | 1,441 | 1,019 | 444 | 386 |
| These are your month-to-month photovoltaic output levels, shown in kWh (kilowatt hours). This estimate is based off of your coordinates and regional characteristics such as the average weather cycle, cloud cover, surface albedo, and the orientation and area of your solar array. | |||||||||||
Then you can move on to a financial analysis page where you enter your past year’s monthly usage and costs. This will return a costs summary and ROI on installing solar panels.
All in all a very good service and once you have gone through this you can get an estimate from them of the cost to install etc and hook up with an installer.
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Comment from df
Time: 8/16/2008, 9:23 am
nice link - thanks very much.