That video is good - seeing the train-car dropping the panels into place makes it clear that you have some immediate labor savings on the initial deployment. Not sure if the post-installation labor was significant or could be automated away.

Still not sold on the idea. For something with a 20+ year life span, the initial deployment effort seems kind of irrelevant and should be better located somewhere that does not require ongoing activity. Train ballast requires replacement every N years which is going to require ripping up all of those panels.

	▲	Aurornis an hour ago \| parent [-]
		> seeing the train-car dropping the panels into place makes it clear that you have some immediate labor savings on the initial deployment. Dropping panels in place is not the hard part. Getting all of that electricity back to a connection point is one of the many problems created by this idea. Putting panels in a multiple kilometer long end-to-end row is very inefficient compared to rectangular layouts that can be clustered around connection points.