When you are figuring out the return on your solar power investment, do not forget that you can sell back energy to your utility company if you generate a surplus. This is usually in the form of a credit on your utility bills. Even though the initial investment may be hefty, the long-term financial benefits is there for the taking.
You should assess how much energy you need for your household before investing in a solar energy system. You will get the most out of your solar energy system if it is powerful enough to cover all your energy needs and allows you to sell a small quantity of power to the main grid.
Solar Photovoltaics: Fundamentals, Technologies and Applications Solar Photovoltaic (PV) as power source: Basic energy units eV, kWh and ToE, energy …
Don't think the biggest solar panel is the best. There are a lot of variables to consider when buying solar panels. You should consider each of these factors when making your decision.
Know how light mixes with the trees around your property. You may think you've got the perfect spot for a solar panel, but watch it throughout the day. The sun coming in from different angles may lead to surprising shadows from trees and foliage. This will affect your solar output.