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I am just thinking of my well insulated ceiling and my roof covered with snow -- the barn is not normally heated so that roof is always covered with snow -- slate grey asphalt shingle -- reflective. I got an ITC of $500 on just the materials and not the installation labor in 2012.
Canada has similar weather.
Just as you are saying the angle would change seasonally for optimum output.
Ideally the panels would be land based with some form of angle adjustment. You could just go broom the panels off after a storm -- but that is like chopping wood or shoveling snow -- wasted labor. My time or hire someone -- coal miners need the work ...
I do like the idea of self produced dependable power with a grid backup. Selling $10 a month power back to the grid is cutsie but not a real factor. When the power goes off for 30 seconds the computers stay on. If there is a day or two of outage, it is a minor inconvenience locally. My power is uninterrupted.
Mark, think of how good it would be to charge your electric car with solar energy. That might be a better use than selling power back to the grid. Not about the money but the efficiency.
I made a nice chunk of change shorting the long term bond market today -- but you need to be connected 99.999% of the time playing that game. My worst nightmare would be scrambling on a 4G attempting timing of buys and closing out the positions.
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