#1 Jan. 8, 2016 22:37:09

muymalestado
Registered: 2011-12-23
Posts: 18
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Cleaning PV panels

Some sites are subject to seasonal dusting as here from pine pollen in early summer. At worst after a rainless spell panels look yellow. This always seems to not be dust containing grit, but actual pollen. The car goes yellow as well.

This is a low-angle installation. Walking about is easy. Using well water + watering can + small amount of washing-up liquid for mobilisation + nice soft bristle brush (used for nothing else!) the panels are easily cleaned.

I don't know how to measure any improvement / impairment, but it feels nice to see them clean.

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#2 March 21, 2016 16:28:33

morrisok
From: Sussex
Registered: 2011-11-09
Posts: 79
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Cleaning PV panels

Hi All,

I ended up buying the kit to do it myself, wasn't that expensive and I wrote a blog post about it on my wifes blog.

http://www.ecothriftyliving.com/2016/03/diy-solar-panel-cleaning.html

I've just got another container full of RO water for my spring clean.



Kevin

URN 131, 3.92KWp 12x 327W E20 SunPower panels Sunnyboy 4000 inverter, facing ~south, no shading issues. Location: Sussex, http://pvoutput.org/list.jsp?userid=12216

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#3 March 21, 2016 19:16:04

Kerrin
Registered: 2011-12-31
Posts: 29
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Cleaning PV panels

Hi all.
I've always been a bit doubtful of the benefits versus the hassle of cleaning my panels. However while I was giving them a quick check over at the weekend I noticed small patches of lichen starting to become established on the glass. Maybe I should have been cleaning them a bit more often! The system was installed in December 2011 & is at an angle of 20 degrees so perhaps not as self cleaning as I hoped.
Kerrin

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