That is only a few them. Let's take a closer look at these benefits. The cost of solar energy is one of the biggest reasons why people either want or don't want to use the panels. On one hand, solar panels cost a bit to install. Costs have become significantly cheaper over the years, but it still requires that initial investment that some people just can't justify. On the other hand, it means never paying for electricity again (if the house in Bluff City, AR is completely dependent on a solar power systems) or at least lowering the electric bill dramatically.