Just solar shades, likely – they look exactly like what my high school installed on the classroom windows many years ago, and those were purely for keeping the

Just solar shades, likely – they look exactly like what my high school installed on the classroom windows many years ago, and those were purely for keeping the rooms from heating up too much in the high summer noon sun. Solar panels wouldn't make much sense, they aren't angled toward the sun's average position at all and would just shade each other out for most of the day.