When solar panels sit in the sun, they expand and contract every day creating little cracks in the cells. Over time, power production degrades because of these cracks. Choose quality over price and it will save you in the long.
This is the newest, most sophisticated, and very exciting solar system on the market. Not only is Sunpower ranked the most efficient panel in the world, the new Equinox system allows you to monitor your power production as well as.