17 Rating Factors Our comprehensive rating system scores providers based on 17 data points in seven weighted categories: Cost and Payment Options (20 ... solar panel cost we calculated at $3.24 ...

The 20% efficiency of some panels is much different than the nearly ... produce at 92% capacity after 25 years. Canadian Solar's 470-watt model of its HiKu6 panel is the largest panel by watts ...

while others emphasize the solar panel portion. To estimate expected costs for each package, I first considered the expected price per watt hour (Wh). I determined this by looking at the average cost ...

Using industry-validated figures from the first half of 2012, they estimated an MSP of $1.19 per Watt for US solar panels, compared to $0.91 per Watt for Chinese solar panels, representing a price ...