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Apr 9, 2021

Tested 2 strings today (twice) & each time string 1 had poor fill factor.
Any ideas what may be the cause of this type of result?

Monchichak

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Apr 9, 2021

Possibly answering my own question - irradiance was low and there was some shading on some of the panels from a nearby tree during the test. I suspect shading maybe the culprit.

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