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A comment on New concentrator could help solar panels capture more sunlight without tracking. Parent comment

Re:New concentrator could help solar panels capture more sun... by edent on Wednesday June 29, 2022 @09:28AM (#31919820)
I don't know where you live, or what your roofs are made of. But the 1.6m x 1m panels we have weigh only 20KG.

That's much lighter than the tiles they replaced.

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