@mcv@friendica.opensocial.space @aphyr@woof.group There is a Swiss company that is working to install solar panels between the rails of train lines, making use of otherwise unused space. There have also been several discussions about how best to deploy panels over uncovered aqueducts (both improving the efficiency of the panel, and reducing evaporation), which unfortunately has yet to occur.

https://www.sun-ways.ch
https://arstechnica.com/science/2025/06/can-floating-solar-panels-on-a-reservoir-help-the-colorado-river/

(Also, it appears solar can be beneficial to some agricultural purposes: https://arstechnica.com/science/2019/09/crops-under-solar-panels-can-be-a-win-win/ )