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Solar PV on the roof of the Brighton Whitehawk public library
(climatejustice.social)
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this post was submitted on 14 Jul 2024
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Newer panels usually don't have that big of an issue with partial shading, but it definetly isn't optimal.
Thats not true
It's fascinating to see the difference in reaction in the post here, vs. the post it links to where they're saying exactly the same thing that you and I are saying.
No idea what the difference might be.
Yea bypass diodes help a little, (and they have existed for a very long time, nothing to do with “modern” panels), but any shade effectively shuts down the entire panel, and unless the charge controller is happy with much lower voltage, the whole series string will stop producing.
Panel Level Optimization
Prevents a shaded panel from affecting the entire string. Pretty standard on Australian residential setups these days.
That's my understanding too.