Seriously though, how many KWh do you go through in a day ?
We managed to get by on 1600 W of solar panels in Northern Canada, which in some weeks was touch and go on battery depletion (you really don't want to get below 70% or so).
That's what kept us going in the dark of winter:
http://pics.ww.com/v/jacques/renewables/batteries/IM000398.J...