Hacker News Reader

I wonder if you could just run them backwards for a while to clear them. Use the V*I loss.

The energy it takes to do that is significant.

Often exceeding the energy gained in the winter.

I'm thinking if the sun can warm the panels enough for a thin layer of ice to slide off, then it can't take that much more energy to make a thick layer slide off.

It does. Even at 0F, you'll see snow melting on the roofs in winter.

Reply on news.ycombinator.com