You may be asking yourself: When I install solar panels at my dkes, what happens if I generate more electricity than I use? What happens to it? Can I sell that electricity back to my utilities company? As well as saving money on your electricity billsany electricity you generate that is in excess of the amount you use in your home can be sold back to your utilities company, who will pay you for it. In how does solar energy help you make money, you would need a pretty extensive doee energy system to create enough electricity to completely supply all the power you need for your home, unless you are a supremely energy conscious family. Most homes can just about manage a 4kW system, which is approximately 16 residential-sized panels. To have a completely solar-energy powered home, you would need a 6kW system, which is about 24 panels. Even that may not be enough to power your home completely. The days where families would still down together to watch whatever was on TV seem to be .