no shade or other obstructions.The solar panel converts sunlight into direct current (DC) power. Most solar panels have two layers of silicon. Particles of solar energy (photons... inverter converts DC power into AC (alternating current). Solar panels, like common household batteries, create direct current power. This means that one wire will have a positive... words, it will never go past zero. Customers should not expect to get a check from the electric utility if they generate more solar energy in a month than the electricity...