some solar panels have more moisture then others

 I have an other concerned costumer who have noticed that some of hes solar panels have moisture on them thats stays longer then on other panels. It seams like when the sun hits the panels on the array the other panels dry up while these 9 specific panels doesent. I have been like this the during the autum of 2019.

This is a solaredge projekt so we can see the diffrance in prodution between the panels. Sadly we have  and have had so low irraation so its difficult to draw any conclutions. But you can see that atleast two of these 9 panels are underpreforming, the ones connected to optimizer 1,1,7 and that one of the two panels connected to a optimizer that doesent seam to connect at all is one of these 9 panels that dont dry like the rest.

I have never seen this phenomenon before where some panels seams to dry faster then others...

Do you guys have any ide what it might be?

Comments

  • mcgivormcgivor Solar Expert Posts: 3,274 ✭✭✭✭✭
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery bank 
    Second system 1890W  3 × 300W No name brand poly, 3×330 Sunsolar Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah FLA 24V nominal used for water pumping and day time air conditioning.  
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergency charging and welding.
  • mike95490mike95490 Solar Expert Posts: 8,606 ✭✭✭✭✭
    mcgivor said:
    Wow.   just WOW !!
    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister ,

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