Paul Keinanen wrote:
At the
arctic summer the air temperature can be well over 20 C for longer
periods of time, so this does not help a lot in keeping the cells
cool.

....and the windchill is also reasonably comparable? I didn't realize the
arctic could be so 'balmy!' Thanks for the info.

I suppose that if you wanted to push the issue, a heat pipe stuck in the ice
going back to a metal layer on the back of the panel would be quite
effective in cooling the panel...