Individual panel prices
Prices of DIY kits
Installed system prices
A Renewable Portfolio Standard (RPS) is a law that requires electric utilities in a state to generate a certain percentage of electricity from renewable sources by a certain date. The RPS is also used to determine the amount and type of incentives availab
Whether it’s pigeons nesting underneath your solar array, cooing and scurrying around on your roof, or a family of squirrels who spend their days chewing on your system’s wiring—animals can threaten your solar generation as well your peace of mind.
These figures are in millions. The source for energy R&D expenditures is from the National Council for Science and the Environment. Take a look here. Though the war in Iraq now costs about $120B a year, two authors (one a Nobel prize winner) estimates the