Salutations to the sun! The sun shining on us ought to be used as an energy source. It ensures that you have a source of energy which doesn’t pollute the Earth. Want to learn more? Keep reading!Photo-voltaic panels have two main types. Mono-crystalline panels are the more efficient and more expensive choice. Poly-crystalline panels cost less and produce less. It is often best to invest in the most efficient product you can afford if you need a solar...