What is the cost per surface area?What is the average energy absorbed per surface area?What is the maximum threshold for absorbed energy per hour?What is the specific reaction/mechanics of the energy capture?Are there different grades with variable prices and effectiveness?Which manufacturer/retailer has the most reasonable prices for solar panels?Is there anything else I should know about solar power that is important to its use?If you can‘t answer all my questions, answer what you can and I‘ll be grateful. I would also be grateful for any helpful info/product websites listed in the source. Thanks for the help!