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Largest Farm to Grow Crops Under Solar Panels Proves To Be A Bumper Crop For Agrivoltaic Land Use
(site.extension.uga.edu)
this post was submitted on 27 Sep 2023
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Possibly a stupid question, but is there anything toxic in the solar panels or their infrastructure that could contaminate the plants or soil below? Particularly if the panels were damaged in, say, extreme weather, but also as a result of general wear and tear. I'm thinking heavy metal dust, carcinogenic liquid components, that sort of thing. As per the article this seems like it could be a good land use pairing, but not if it renders the soil unfit for agriculture due to a buildup of contamination.
Not an expert, but my gut reaction is not really. The panels themselves are largely glass, aluminum and silicon, with fairly small amounts of doping agents. There are electronics but since they're outside they're largely encased in something, wiring which would be plastic and copper or possibly aluminum, and then the structure itself which is going to be steel and concrete.
Solar panels are significantly more sturdy than one would think given they are essentially a giant piece of glass. They're usually rated to 12mm hail or more, which would normally absolutely devastate a crop. They don't really go bad either they just become less efficient over time. There's no moving parts to wear, no liquids, and in some designs very little in the way of electronics to go bad.
Essentially, I wouldn't be surprised if there would be more harmful contamination from a diesel tractor driving around in the field or from a nearby coal power plant than from any kind of solar array as long as it didn't have like, lead legs or something.
That being said, these kind of projects have been shown a lot but they're unlikely to be used in most large scale farming - they usually interfere with any machines used to plant or harvest, and are only really well suited to a few crops. Parking lots are a much easier target for this type of solar project.
most electronics have lead, i think thatd be the main thing .
Not really. Not for the last 20 years.
https://en.wikipedia.org/wiki/Restriction_of_Hazardous_Substances_Directive
I've heard of the panels burning down making fhe field unsafe for use in the future
That's not a thing.