Whirlwind Solar’s laminate system weighs in at less than 1 pound per square foot. The laminate technology captures off-angle light more effectively than traditional crystalline solar panels and does not need to be perfectly oriented south to create a lot of electricity. It uses triple-junction amorphous silicon solar cells where the blue, green and red light of the sun is absorbed in different layers of the cell.

(800) 324-9992; whirlwindsteel.com