Although the rooftop solar rigs are very "eco" and a huge win for homeowners pretty much all the way around, they share the same avoidance factor as nuclear power plants. There's a not insignificant upfront investment necessary to swallow. Regulations are many, and the system has to be inspected by a pro before it can be tied to the grid. Even as prices drop, the initial design and construction costs (in addition to the actual equipment) loom large in the eyes of many. There are few who actually put their money where their mouth is in this world, especially when the money is more than a week's paycheck.
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