Not to hijack the thread or anything but.
Before you consider solar panels please consider reducing you demand.
You will most likely find you can drop your consumption for lower expense than generating the same power with solar panels.
Light you use frequently should be CFL (payback is under a year)
If your refrigerator is over about 12 years old a new high one should be cost effective
Caulking
Insulation
Water heater blanket
Pipe insulation
Pay attention to parasitic loads (ie always on TV's and computers)
Dropping your consumption is entirely equivalent to maintaining your consumption and generating some extra. Dropping you consumption will consume fewer dollars than going into the electricity business.
But hey its your money (Oh and some of mine via tax subsidies)
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