Yeah, don't let an installer set them for max energy over a year like they would for grid tie. Optimize them for the worst winter day.
On Sat, Nov 12, 2022, 1:17 PM Bill Prince <[email protected]> wrote: > That is close to what we used at the 37th parallel. We set our panels at > 60 degrees. That gave us close to maximum sun at the winter solstice, and > we still had excess energy during the summer months. The summer sun is long > enough and strong enough that you don't need the panels pointed straight at > the sun. In the winter time you need all the help you can get. > > > bp > <part15sbs{at}gmail{dot}com> > > On 11/12/2022 12:43 PM, Sean Heskett wrote: > > In addition to froth-pak, be sure to tilt them at [latitude] + 23.5. > > We are at 40 north so we tilt the panels at about 65* > > 40 + 23.5 = 63.5* > > At that angle when there’s any amount of direct sunlight it slides pretty > quick. > > But we also have a propane generator on-site because the stars don’t > always align just right :-/ > > -Sean > > On Fri, Nov 11, 2022 at 3:02 PM James Howard <[email protected]> wrote: > >> I have a vague memory of a thread in bygone years about testing different >> kinds of coatings to help with buildup of snow/ice but I can’t find the >> thread and don’t remember if it was about solar panels or dish antennas. >> >> >> >> The only thing I can find when I search my archive is about using >> froth-pak on the back of the panels. Are there any other options that work? >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > -- > Sean Heskett > > ZIRKEL > Internet • WiFi • Phone • TV > 970-871-8500 x100 - Office > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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