I’m a bit skeptical. LowTech Magazine has a piece (couple years old by now) that challenges the ever-increasing size of wind turbines: https://solar.lowtechmagazine.com/2019/06/how-to-make-wind-power-sustainable-again/

Because when you release a blog post, you set the publish date to when you started writing, rather than the day it goes out? What?

“This guy” that Phoronix “called out” isn’t even who wrote the blog post you’re commenting on.

Why not larger solar panels above the electricity lines? I’ve seen some rather heavy-looking metal bars for holding up the electricity lines, maybe they could also support some panels, with minimal extra material use for mounting. Up there they would provide some shade (which should be good for the grass if there is any between the tracks, given that way too dry + hot summers are becoming the norm), and require much less cleaning to stay efficient.