The encapsulant between the glass and the aluminum might be degraded by a
surfactant. It’s probably a low risk if you use a gentle soap, but I heard
that somewhere about 15 years ago so I thought I’d mention it.
I also heard that pressure washers are too strong and can ruin the
encapsulant seal.
On Mon, Oct 23, 2023 at 6:44 AM White, Will via RE-wrenches <
re-wrenches@lists.re-wrenches.org> wrote:
> I worked with a guy who had done installs in Arizona. He had an off-grid
> customer spray down their array with cold well water in the middle of the
> day, which shattered the module glass.
>
>
>
> I’m sure it was an isolated incident, but it happened.
>
>
>
> Thanks,
>
> Will
>
>
>
> *From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> *On
> Behalf Of *Jason Szumlanski via RE-wrenches
> *Sent:* Friday, October 20, 2023 4:47 PM
> *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org>
> *Cc:* Jason Szumlanski <ja...@floridasolardesigngroup.com>
> *Subject:* [EXTERNAL] Re: [RE-wrenches] Cleaning PV mods
>
>
>
> *CAUTION:* This email originated from outside of the organization. Do not
> click links or open attachments unless you recognize the sender and know
> the content is safe.
>
>
>
> I don't understand the thermal shock nonsense. It routinely starts
> downpouring here when it's blazing hot out (sun showers) and the rain is
> way cooler than ground water in summer. It makes no sense. If hose water
> from the ground is going to hurt solar panels, you better not put them
> where it rains!
>
>
>
> I replied privately to Dana, but for the benefit of the group, it takes a
> heavy soiling to make any appreciable difference. I have done numerous
> tests at times of high pollen and found little to no benefit to cleaning
> solar panels. Certainly it would not be worth paying someone to do it.
> Other climates may have different results. My suggestion would be to test
> first. Module level power electronics can provide incontrovertible proof.
>
>
>
> Jason
>
>
>
>
>
> On Fri, Oct 20, 2023, 4:21 PM Dave Tedeyan via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
> Hi Dana,
>
>
>
> See attached from REC. I would imagine these guidelines would apply to all
> modules.
>
> Cheers,
>
> Dave
>
>
>
> On Fri, Oct 20, 2023 at 3:56 PM Dana Orzel via RE-wrenches <
> re-wrenches@lists.re-wrenches.org> wrote:
>
> Hey ally ‘all,
>
>
>
> Ok bad solar installer! 7 years & I have never cleaned my modules & live
> on a dirt road. Yeah rain does a good job with the dust but there is a film
> mostly on the edges.
>
>
>
> What does everyone do for cleaning?
>
>
>
> My array is 16’+ tall on a hill side. I have a pressure washer & was going
> to pick up a large sponge type mop & mount it on a painters extension pole.
>
>
>
> Good Biodegradable cleaning solutions?
>
>
>
>
>
> _________________________________________________________
>
> Dana Orzel GREAT SOLAR WORKS!
>
> C – 208.721.7003 E – d...@solarwork.com
>
> W - www. greatsolarworks.com
> <https://urldefense.com/v3/__http:/greatsolarworks.com__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3PsYzpCS$>
> www.solarwork.com
> <https://urldefense.com/v3/__http:/www.solarwork.com/__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3PW0Drer$>
>
> *“Responsible Technologies for Responsible People since 1988!”*
>
>
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
> <https://urldefense.com/v3/__http:/re-wrenches.org__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3CxvfLvy$>
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> <https://urldefense.com/v3/__http:/lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3Evi2PJX$>
>
> There are two list archives for searching. When one doesn't work, try the
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> <https://urldefense.com/v3/__https:/www.mail-archive.com/re-wrenches@lists.re-wrenches.org/__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3LloGTtE$>
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> <https://urldefense.com/v3/__http:/lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3Gzugvmn$>
>
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> <https://urldefense.com/v3/__http:/www.re-wrenches.org/etiquette.htm__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3F0anskJ$>
>
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> <https://urldefense.com/v3/__http:/www.members.re-wrenches.org__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3KrUjHuR$>
>
>
>
>
> --
>
> [image: Logo]
> <https://urldefense.com/v3/__https:/www.sungineersolar.com/__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3OgqYCzV$>
>
>
> *Dave Tedeyan, P.E. Owner | Sungineer Solar*
>
> *p: *he | him | his
> * a: *1653 Slaterville Rd. | Ithaca, NY 14850
> *w:* www.sungineersolar.com
> <https://urldefense.com/v3/__http:/www.sungineersolar.com/__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3JXku6U_$>
> *c:* (607) 270-0370
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
> <https://urldefense.com/v3/__http:/re-wrenches.org__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3CxvfLvy$>
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
> <https://urldefense.com/v3/__http:/lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3Evi2PJX$>
>
> There are two list archives for searching. When one doesn't work, try the
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> <https://urldefense.com/v3/__https:/www.mail-archive.com/re-wrenches@lists.re-wrenches.org/__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3LloGTtE$>
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
> <https://urldefense.com/v3/__http:/lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3Gzugvmn$>
>
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
> <https://urldefense.com/v3/__http:/www.re-wrenches.org/etiquette.htm__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3F0anskJ$>
>
> Check out or update participant bios:
> http://www.members.re-wrenches.org
> <https://urldefense.com/v3/__http:/www.members.re-wrenches.org__;!!KPww_GFiJXw!Y_kuM7c-s1IyVKAFmwI_3s4QdWIAuH3dA6C9UrdDyGVPbrAubqjhW4VUC0zvVmJ3YqDCwomVHcoSXnJViwOe2rxR3KrUjHuR$>
>
> ------------------------------
>
> Please be advised that this email may contain confidential information. If
> you are not the intended recipient, please notify us by email by replying
> to the sender and delete this message.
> _______________________________________________
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches@lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> There are two list archives for searching. When one doesn't work, try the
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> http://www.members.re-wrenches.org
>
>
_______________________________________________
List sponsored by Redwood Alliance
Pay optional member dues here: http://re-wrenches.org
List Address: RE-wrenches@lists.re-wrenches.org
Change listserver email address & settings:
http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
There are two list archives for searching. When one doesn't work, try the other:
https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
List rules & etiquette:
http://www.re-wrenches.org/etiquette.htm
Check out or update participant bios:
http://www.members.re-wrenches.org
