With consumers becoming more environmentally conscious and economically savvy, new ways to use clean energy sources are more and more popular. The sun is the ultimate source of clean energy, and installing solar technology is a great way to supply extra energy to your home or business. A solar panel is made of smaller solar cells. If a cell stops working, you can replace it instead of replacing the entire panel. This technology is also an affordable way for landowners to illuminate walkways and deter troublemakers. Remember that lights and panels work best in direct sunlight. This equipment can be expensive at first, but it will pay for itself over time through electric bill savings. Panels that deliver more power are usually more expensive. However, some utilities let homeowners sell excess energy back to the power company. With the reliable sellers on eBay, you can find solar equipment to make your home more efficient using the energy of the sun.