Solar panel systems have always been criticized as bulky and unattractive. New cheap solar power technology is beginning to make such feedback a thing of the past. While everyone agrees solar energy is a clean, cost-effective power source, there has often been one problem. The solar panel systems tended to be large and rather cumbersome. Frankly, they don't add to the visual appeal of a home. While solar energy panel designs have improved over the years, a new development concerning shingles is getting plenty of attention.