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Trains in Switzerland Are Now Running Over Solar Panels in a First-of-Its-Kind Test
(www.zmescience.com)
this post was submitted on 03 Jun 2026
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Roofs are actually not that great. Installation is expensive because you are working at height. Roof angles and directions are also not ideal on many houses. Compare it to a simple installation on a field: You just take some corn field, stop growing corn there and can put your panels on some cheap holders and you're good. You can access and service them without the danger of falling from a roof. You can install them on an industrial scale instead of a few square meters on every single roof. You need only one electrical installation.
People love to cry about the loss of agricultural space, but currently we are growing a lot of corn to convert it to fuel or to put it into biogas installations. If you convert those field to solar, you will get more energy from them. And the loss of a big monoculture that is using a lot of pesticides is also great.
You can still grow stuff in them with agrivoltaics. You don't have to lose the productive land below it
And even if you do not: It's better for the environment to not grow corn and just have some grass underneath the solar panels.