Low prices can be very attractive but keep in mind that solar panels and their installation is not cheap. If a vendor has extremely low prices, you are probably getting low quality equipment or even second hand equipment. It is best to invest in quality solar panels and hire a trustworthy contractor to install them.
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 .
Check for government financial incentives when you considering solar energy. While the cost of purchasing and installing panels can be high, there are certain government grant, loan and rebate programs that can help offset this cost. By understanding these programs, you can make a smart financial investment that allows you to take advantage of this green energy source.