RE: https://horche.demkontinuum.de/display/2196d4ee-7669-dbc1-1f9e-200464952498
Wow.
In addition to this, apparently farm yields INCREASE if you mix ground-dwelling crops with overhead PV panels, which provide shade/humidity traps for the plants and livestock.
I've un-tagged Charlie,Am sure he gets plenty of noise in his feed.
That said;
yeah the article is kinda trash
that whole 'unexpected!' thing.
said so yday
no, not unexpected, modeled and anticipated well over half century back.
pv solar is a win, always was.
even solar heat harvesting is very real & productive, and always has been
old & hard to find expose' on early days of solar:
Ray Reece's "The Sun Betrayed"
https://archive.org/details/sunbetrayedrepor00reec
it's an old & ugly story
Just for fun:
The Solarex Solar Breeder in Frederick, Md
Shortly before demolition
I social engineered my way onto the abandoned grounds one afternoon.
I remember it's construction.
Was to be the 1st of 5 nationwide
Nope
was to be located upriver near Berkeley Spngs, WV where the silica came from
but 'investors' wanted it near DC
1st, ARCO(defunct), later, BP, made sure it went nowhere.
Charlie Stross
David Penfold 
cpm