Solar energy is renewable, helps with energy independence, and lowers energy bills. The pros often outweigh the cons when it comes to solar energy, but that doesn't mean it's perfect for everyone. Imagine opening your electric bill and seeing a number so small you do a double-take—or, better yet, a credit. However, the expensive upfront cost may. But, for a complete picture, it's important to consider both the pros and cons of solar panels. Financial Returns Are Compelling: The average household. Federal and (depending on where you live) state incentives make installing solar panels on the roof of your house a fairly affordable, money-saving home improvement project. This comprehensive guide will walk you through the key benefits and potential drawbacks of adding solar.