Relying on how a lot snow there’s, you might not discover a distinction in manufacturing. A lightweight dusting will sometimes be blown off by the wind. Manufacturing could start to be affected by bigger quantities of blizzard, however not for very lengthy. When panels are put in at a correct angle in your roof, as quickly because the solar is out, snow will soften and slide off so your panels can be producing effectively once more2. That is the case even for areas all through the US that get extreme quantities of snow, like Minnesota, Idaho, Colorado, and different northern states.
If you wish to take issues into your personal fingers, some householders who can entry their roofs safely select to manually take away snow with instruments particularly designed for photo voltaic panels. Roof rakes or giant squeegees, or different choices embrace blowing the snow off with a leaf blower or hosing the panels down3. If this isn’t a protected possibility for you, nonetheless, it would solely take a couple of hours of sunshine for the snow to soften off by itself.
Because of the albedo impact, the sunshine mirrored off the snow on the bottom can and can be acquired by your panels, including a bit extra power into the combo4.