For those of you either having a solar (pv panel setup) power system, how much did you pay for what you got? Do you supplement your solar power with any other form of renewable or grid energy (such as wind or 'grid hydro'?). Dwelling size that you are using the solar power for? You happy with what you got? Are you planning to add to it? How extensive is your inverter and battery bank systems? what individual and total voltage of your battery array?