our tax dollars at work... 
our tax dollars at work... The glass greenhouses we had in the fifties, the plants were inside the glass! ;^}
The weed obstructed solar panels pictured sorta prove this idea is not free, as it has got to be maintenance intensive.
The weed problem could be cured with a herbicide, BUT HEAVEN FORBID!!. So some millennial needs to be hired to manually trim weeds, oh, wait a minute, they do not do manual labor. But for sure, whether the panels are efficient or not the lefties get to feel good about saving the planet.