The reason that solar panels is so popular today is that the sun is an endless energy source that we can rely upon. Well, not for the next 4 billion years at least, which is how long the sun is expected to live. Low cost energy on average electric bill can definitely originate from solar panels, especially if you can work with companies that offer rebates and rewards prior to installation. But how exactly do solar panels work? Well, read on to find out. Solar panels offer many benefits because they create clean energy by using the natural elements of our planet. The fact that they are a renewable energy source, meaning that it isn't a resource that will run out, is an added bonus. If you've contemplated installing solar panels but you're still undecided it would be a good idea to read on to find out more about this great source of energy.