Why Are Solar Panels So Expensive?
Solar panels are expensive because while the technology itself has become incredibly cheap, the installed cost of a residential system remains high. A typical 8 kW residential system costs $20,000 to $28,000 before incentives, or about $2.50 to $3.50 per watt installed. The panels themselves—the visible blue or black rectangular modules you see on roofs—account Read more »















