Panels are very durable and need very little maintenance.

It is true that layers of dust, dirt, or pollen can reduce performance, but we get enough rain in our region that cleaning your array is very rarely necessary. When it snows, the snow melts quickly enough that there is no urgent need to remove it unless you’re an avid ice climbing enthusiast. (An Avalanche snow rake is on the market for those who don’t get their kicks from sitting and watching snow melt.)

On residential systems, routinely scheduled maintenance is unnecessary, but an annual system checkup would be a good idea.

Regardless, systems come with a monitoring platform that tracks daily production. This is very helpful in troubleshooting, and maintenance is only necessary when significant and consistent downward production trends are noted.

A Sunpower Authorized Dealer