<div dir="ltr"><div class="gmail_default" style="font-size:large">I can't recall the specific study, but bifacials were noted to have an easier time self-clearing of snow due to the heat generated from backside production. I think the study was from upstate NY.</div><div class="gmail_default" style="font-size:large"><br></div><div class="gmail_default" style="font-size:large">I find this to be generally true. But the actual benefit can vary widely. No amount of albedo will remove ice.</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sun, Dec 21, 2025 at 1:17 PM Dana Orzel via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg7483133922932837416">





<div lang="EN-US" style="overflow-wrap: break-word;">
<div class="m_7483133922932837416WordSection1">
<p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif">Bill ,
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif">The last look I took at Bifacial suggested that the optimal material was/is the “California” white I think EDPM type material pardon my memory on the material name.
<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif">Smooth, cleanable, long lasting, expanded & contracted well, easy to waterproof around contact points, pretty bomber material. No Idea on cost this was 12+ or more years
 ago, look for the old Solyndra PV advertisements they discussed this material as the optimal roof surface.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif">I have considered bifacial for pole/ground mounts here ID. Has anyone tested or have Beta for improved winter performance?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:14pt;font-family:"Century Gothic",sans-serif"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic",sans-serif">_________________________________________________________<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic",sans-serif;color:rgb(39,83,23)">Dana Orzel                </span><span style="font-family:"Century Gothic",sans-serif;color:rgb(39,83,23)">GREAT SOLAR WORKS!                      <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic",sans-serif;color:rgb(39,83,23)">C – 208.721.7003      E –
<a href="mailto:dana@solarwork.com" target="_blank"><span style="color:rgb(39,83,23);text-decoration:none">dana@solarwork.com</span></a><u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Century Gothic",sans-serif;color:rgb(39,83,23)">W - www. <a href="http://greatsolarworks.com" target="_blank">greatsolarworks.com</a>     <a href="http://www.solarwork.com/" target="_blank"><span style="color:rgb(39,83,23);text-decoration:none">www.solarwork.com</span></a><u></u><u></u></span></p>
<p class="MsoNormal"><i><u><span style="font-family:"Century Gothic",sans-serif;color:rgb(39,83,23)">“Responsible Technologies for Responsible People since 1988!”<u></u><u></u></span></u></i></p>
<p class="MsoNormal"><u></u> <u></u></p>
</div>
</div>

_______________________________________________<br>
List sponsored by Redwood Alliance<br>
<br>
Pay optional member dues here: <a href="http://re-wrenches.org" rel="noreferrer" target="_blank">http://re-wrenches.org</a><br>
<br>
List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org" target="_blank">RE-wrenches@lists.re-wrenches.org</a><br>
<br>
Change listserver email address & settings:<br>
<a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" rel="noreferrer" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br>
<br>
There are two list archives for searching. When one doesn't work, try the other:<br>
<a href="https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/" rel="noreferrer" target="_blank">https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/</a><br>
<a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" rel="noreferrer" target="_blank">http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org</a><br>
<br>
List rules & etiquette:<br>
<a href="http://www.re-wrenches.org/etiquette.htm" rel="noreferrer" target="_blank">http://www.re-wrenches.org/etiquette.htm</a><br>
<br>
Check out or update participant bios:<br>
<a href="http://www.members.re-wrenches.org" rel="noreferrer" target="_blank">http://www.members.re-wrenches.org</a><br>
<br>
</div></blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><p></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><a name="SignatureSanitizer__MailAutoSig" style="font-size:10pt"><b><img width="96" height="72" src="https://ci3.googleusercontent.com/mail-sig/AIorK4zIGox3hmaGW8StlnANQvRdXBrTEgpee6ZmV_8h-pfWcEl7lwlqfhSqd2PgPh89cgzwpzfUzuuIGxKE"><br></b></a></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><a name="SignatureSanitizer__MailAutoSig" style="font-size:10pt"><b>Kirk Herander / </b></a><b style="font-size:10pt"><a href="mailto:kirkh@vermont.solar" title="Send an email to kirkh@vermont.solar; Send an email to kirkh@vermont.solar" style="color:blue" target="_blank">kirkh@vermont.solar</a></b></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><b>Owner|Principal, VT Solar, LLC</b></span></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt"><b><i>Celebrating our 34<sup>st</sup> Anniversary 1991-2025!!</i></b></span></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt">dba Vermont Solar Engineering</span><br></p><p class="MsoNormal" style="color:rgb(0,0,0);font-family:Arial;font-size:16px;margin:0in 0in 0.0001pt"><span style="font-size:10pt">802.559.1225</span></p></div></div>