[wbill]

Up in Norway, I'd imagine that they'd work pretty well 3-4 months out of the year.

Rest of the time though? They'd better have a @%%#@! big battery.

[Blood of Tyrants]

Efficiency will also depend on the orientation of the panels. In Norway, the sun comes up in the extreme northeast and sets in the extreme southeast.

[backwoods-engineer]

Up in Norway, I'd imagine that they'd work pretty well 3-4 months out of the year.

That was the first thing I thought of when reading this tripe! Urinalists and other eco-whackos have no actual knowledge of physics, nor any idea what 'insolation' means. They probably think it's a misspelling of stuff the Pink Panther used to advertise on TV.