Sources: Inhabitat, Forbes, Facebook
quote: Solar panels react to the radiation from the sun not the heat
quote: and a cloudy day with fluffy cumulus clouds can actually increase the power from solar panels above that of a clear summers day by reflecting the radiation back to panels a number of times.
quote: The OP is somewhat correct. Winter will be a challenge. Also, snow covering the panel is a sure way to generate no electricity at all. Illinois isn't the most ideal location for solar. Now, there's no reason that the right setup can't still work in winter, but it is more difficult to predict.