Stop Pollution. The energy you use now puts more CO2 in the air. Tyranny Liberator Review This is what is contributing to global warming. You would have to make 3-4 solar panels in order to be completely off the grid. By doing this you will no longer have to worry about your own carbon footprints and you will stop contributing to global warming.
Get Paid. In some states your electric company has to pay for electricity you send back to them, this is called net metering. You could save your excess energy by having your own solar batteries, or you could use it for this purpose. The electric company will send you a check in the mail, instead of a bill. Money might be the one of the most beneficial of all facts about solar energy.