Find a reputable company. With the rapidly rising popularity of solar energy, new companies are springing up left and right to take advantage. A solar energy installation is a big purchase that should last you many years. When shopping for your system, look for a company that you can be confident will still be around ten or even twenty years from now.
A sun tracker will increase your ability to capture solar energy. Through the tracker, your panels will constantly adjust to maintain maximum exposure to the sun. Though they cost more than fixed panels, the boost in energy production makes them worthwhile.
This On grid solar system , I Used 4pcs 100 watts solar panel, 600watts Grid tie inverted with limiter. Limiter is to limit the current from solar panel .
Find out what kind of warranty comes with any system you are considering. A solar energy system should last you for at least twenty years, so be sure the company you are dealing with can support it. If there is no warranty, or an extremely limited one, it may be time to keep looking, no matter how great the savings are.