Most solar cells are made of polycrystalline or monocrystalline silicon. Polycrystalline cells are most common as the relation of price and efficiency is quite good. Thin film solar cells are more expensive, but have some significant advantages to others.
Thinking about which panels will work best for you? If you’re not quite ready to make a decision, here are three reasons Sunpower solar panels make sense for any homeowner ready to install solar panels and start using the power of the sun.