It might be a surprise to many, but WesternVermont has very good solar. A great example was the big Nor'easter last year (Jan 26-27, 2015) that actually supplied some solar power at the same time Boston was getting 2 feet of snow.
Often the storms track east of here and we escape some of the moisture. We do have to live with most of November and December being cloudy and also some of January but by late January, we see the sun again and the days are already getting longer.
Because solar cells are more efficient at lower temperatures, the power production in January through March or April rivals summer production..... shorter days but cooler weather.
Photos below were a January/Feb installation in Bethel 5 years ago. We work all year.
Snow doesn't slow us down. One rack up and the 2nd about to receive 8 panels.
8 panels to go.
An interesting side note about snow and sun. This photo, taken 2 winters ago, of the solar farm near Rutland Airport is still partially covered with snow after several days of sun. The fixed arrays do lose some power production following snow storms. The next day, these panels did clear. A warmer winter will have less snow retention problems than cold winters as this one had been. Top of pole racks and trackers solve most of the snow retention problems.