13 charts on solar panel cost & growth trends

        September 4, 2014 CleanTechnica | Global | renewables: solar

CleanTechnica explains a growing solar uptake in pictures, including module costs in $/watt versus time (e.g., $76.67/W in 1977 to $0.74/W in 2013, showing the Swanson effect), the cost of electricity and number of installations over time, levelized cost of energy (LCOE) for different energies, and amount of savings and return-on-investment (ROI) time.