Find out which of the main types of solar panels are right for your home. We explain the costs, how much power they produce, and how much you will save.

Solar panels explained: cells type, cell vendor, snow load, wind load, temperature coefficient, module efficiency, power tolerance, pmax and more.

Do solar panels go bad? What is a solar panel's typical life expectancy? Can you do anything to make them last longer? We answer these questions - and more.