Wow how much snow did that? Jay
> On Dec 6, 2024, at 9:26 AM, Todd Cory via RE-wrenches > <[email protected]> wrote: > > Yes, in deep snow country tall pole mounts can be expensive... especially > with enough room below so the sliding snow never meets the bottom edge of the > array. My home system has 5 pole mounts with the bottom edges ~6' above the > ground. > > Now that engineering is mandated, this adds more expense to ensure sure the > foundation can support the mechanical forces of this configuration. But > shallow angle roof mounts risk having the bottom edge of the modules get > ripped off (see attached picture) so here in the Mount Shasta area, this is > the only thing that works. > > There was a thread where people were experimenting with reverse biasing > modules to cause them to generate heat. I think boB was working on some kind > of possibility for a charge controller option to do this, but I am not sure > where that went. > > Todd > > > <img-0.jpg> > > > > On Thursday, December 5, 2024 5:49pm, "Howie Michaelson via RE-wrenches" > <[email protected] > <mailto:[email protected]>> said: > > Todd, > In general that had been my philosophy, but sometimes pole mounts are just > logistically to difficult/ expensive - especially large ones. In general, > if it is a windy location, the snow doesn't stick around that long. However, > even pole mounts at a steep angle can get encrusted and if it doesn't get > warm enough or sunny, that can stick on the panels for a week or more. I've > never considered anything like heat panels or tape, but if there is something > that works that doesn't harm the panels, then it might be a decent option in > some cases. > Howie > > On Thu, Dec 5, 2024, 5:15 PM Todd Cory via RE-wrenches > <[email protected] > <mailto:[email protected]>> wrote: >> Passive works best. In big snow country here, I learned the hard way to only >> do pole mounts... and set the angle steep in the winter. The snow slides off >> and all is fine. >> >> Todd >> >> >> >> >> On Thursday, December 5, 2024 1:01pm, "Kirk Herander via RE-wrenches" >> <[email protected] >> <mailto:[email protected]>> said: >> >> https://glasscareexperts.com/solar-glass-protection/ >> I’ve never tried it but just heard about these people. From the bio they are >> the original makers of rain X, but they customized a product, several of >> them, to clean Pv panels and they also mentioned it can help to shed rain >> and snow. >> By the way, Rainx is not approved for such an application. >> >> Kirk Herander / [email protected] <mailto:[email protected]> >> Owner|Principal, VT Solar, LLC >> Celebrating our 33st Anniversary 1991-2024!! >> dba Vermont Solar Engineering >> 802.559.1225 >> >> On Thu, Dec 5, 2024 at 2:19 PM Howie Michaelson via RE-wrenches >> <[email protected] >> <mailto:[email protected]>> wrote: >>> Has anyone successfully used heat panels or cables to melt iced-over panels >>> (ie. without damaging the panels)? In heavy snow country, or over periods >>> of freeze/thaw when pelty slushy snow sticks and freezes to panels, it >>> would be nice to have a safe method of clearing them, especially off-grid. >>> I remember discussions of the futility of backfeeding panels to heat them >>> up to accomplish the same, but not about heat tape or pans that might be >>> worth trying. >>> Thanks, >>> Howie Michaelson >>> Sun Catcher >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> Pay optional member dues here: http://re-wrenches.org >>> <http://re-wrenches.org/> >>> >>> List Address: [email protected] >>> <mailto:[email protected]> >>> >>> 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/[email protected]/ >>> 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 <http://www.members.re-wrenches.org/> >>> >> >> >> >> Sent from Finest Planet WebMail. >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> <http://re-wrenches.org/> >> >> List Address: [email protected] >> <mailto:[email protected]> >> >> 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/[email protected]/ >> 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 <http://www.members.re-wrenches.org/> >> > > > > Sent from Finest Planet WebMail. > <img-0.jpg>_______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > 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/[email protected]/ > 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: [email protected] 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/[email protected]/ 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
