Originally Posted by sv Stella Maris
**This is tested, not opinion:
We had (7) panels
on our cat, total of 2,320 watts. Experimented with multiple configs. Takeaway:
-new split cell panel technology (such as Q-Cell panels) completely eliminated the concern for shading. Even in series with a middle panel completely shaded the other panels
are not affected at all.
With split cell tech this debate is a mute point of the past....
And this is why I generally don't participate in these threads. CatNewBee is too nice (and that is the rule
here on CF). Split cells, PERC, none of that changes the basics of shading. Split cells just means there are more "cells" on a module, which may or may not help with shading. PERC (Q-cells) is old technology that is supposed to reflect sunlight into the back of the cell. The entire industry has moved away from PERC and toward bifacial because PERC didn't create that much in gain.
Since you say it "is tested" show us the test results. Show us where you covered a single
cell with an opaque material and the whole rest of that module kept producing at full power
. Quite frankly, if any module maker could demonstrate that the whole industry would be marching to their door.
There' nothing moot about shading, it is still the biggest headache in the industry. Just a single
overhead cable casting a hard shadow can destroy output in 2021 (and it will in 2022 too).