With ever-increasing energy costs, homeowners are worried about their skyrocketing utility bills and looking for ways to save energy and money. With all of the talk about "going green" and energy efficiency, people are paying more attention to environmental concerns such as global warming and smart growth. As a result, solar energy is fast becoming an option to which consumers are paying close attention. It is one of those renewable sources of energy that is viable in most parts of the country, limited only by clouds.