<div dir="ltr"><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Todd,<br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">I've seen that photo of yours before. Yeah, that is really something!!!<br><br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">A few questions....<br><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Have you seen it happen on systems or sites other than the one in the photo?<br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">What brand of modules? Were they covered under warranty? If not, Why not?<br></div><br>So was this a result of some snow accumulation, then melt/freeze cycles then more snow accumulation which forced the ice build-up down onto the lower frame edge? Are you aware/can you clarify what led up to this?<br>I am aware of massive amounts of snow fall in mountain regions (not exclusively). Is that where this was?<br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Was there a particular "massive snow fall event" prior to this happening?<br><br></div><div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Thanks,<br></div><br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><p style="font-size:13px;margin:0px;padding:1em 0px;text-align:justify;color:rgb(0,0,0);font-family:helvetica,sans-serif;line-height:18px"></p><div style="text-align:left"><strong style="margin:0px;padding:0px">Benn Kilburn <span style="font-size:9px"></span></strong></div>
<div style="text-align:left">CSA Certified Solar Photovoltaic Systems Electrician, SkyFire Energy Inc</div><div style="text-align:left">6706 – 82 Ave NW | Edmonton, AB | T6B 0E7</div><div style="text-align:left">P: 780-474-8992 | F: 888-405-5843 | <a href="http://www.skyfireenergy.com/" style="margin:0px;padding:0px;color:rgb(240,140,0);text-decoration:none;border-width:0px;border-style:none" target="_blank">www.skyfireenergy.com</a></div>
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<img alt="SkyFire Energy Logo_horizontal" height="47" src="http://www.skyfireenergy.com/wp-content/uploads/2014/07/SkyFire-Energy-Logo_horizontal.png" style="margin:0px;padding:0px;border-width:0px;border-style:none" width="179"></p></div></div>
<br><div class="gmail_quote">On Wed, Dec 9, 2015 at 2:56 PM, <span dir="ltr"><<a href="mailto:toddcory@finestplanet.com" target="_blank">toddcory@finestplanet.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><font face="arial" size="4"><p style="margin:0;padding:0;font-family:arial;font-size:14pt;word-wrap:break-word">except, "let it melt" on shallow angle roof mounts often yields this:</p>
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<p style="margin:0;padding:0;font-family:arial;font-size:14pt;word-wrap:break-word"><img src="cid:P3054519-s.JPG@1449698167.7756" alt=""><br><br>todd</p><div><div class="h5">
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<p style="margin:0;padding:0;font-family:arial;font-size:14pt;word-wrap:break-word"><br><br>On Wednesday, December 9, 2015 1:48pm, "Benn Kilburn" <<a href="mailto:benn@skyfireenergy.com" target="_blank">benn@skyfireenergy.com</a>> said:<br><br></p>
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<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Dana,</div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">SESA (Solar Energy Society of Alberta) has been providing a great service to anyone interested in Solar Energy for many years. One project touches on what a PV system will produce at various angles here in Edmonton and the result of snow removal, or not, in particular.<br><br>I've been meaning to reply to this with a link... here it is...<br><a href="http://solaralberta.ca/content/alberta-solar-performance-data" target="_blank">http://solaralberta.ca/content/alberta-solar-performance-data</a><br><br></div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Now, assuming we are talking grid connected systems rather than off-grid when the energy is 'really' needed.</div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">The rational that this reference array system supports is that during the 'snow months' while the days (and sun hours) are short and there is little potential energy to harvest anyway, there is not a huge, if any, benefit to pay anyone or risk safety to bother clearing snow off of modules in the winter.<br><br></div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Of course your site will have its own variables, but if you make some estimations on days of snow cover and peak sun-hours you are missing out on then you can calculate the potential loss in kwh and dollar value that you are loosing due to snow cover.</div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">If someone's time is being paid to remove the snow then it is most likely not worth the cost considering the $ value of the potential kwh lost.<br><br></div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Our general consensus is that if removing the snow presents any challenge, especially to safety, then it is best to just leave it to melt.<br><br></div>
<div class="gmail_default" style="font-family:trebuchet ms,sans-serif">Not really an answer to your question... but another perspective to consider.</div>
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<div style="text-align:left"><strong style="margin:0px;padding:0px">Benn Kilburn </strong></div>
<div style="text-align:left">CSA Certified Solar Photovoltaic Systems Electrician, SkyFire Energy Inc</div>
<div style="text-align:left">6706 – 82 Ave NW | Edmonton, AB | T6B 0E7</div>
<div style="text-align:left">P: <a href="tel:780-474-8992" value="+17804748992" target="_blank">780-474-8992</a> | F: <a href="tel:888-405-5843" value="+18884055843" target="_blank">888-405-5843</a> | <a style="margin:0px;padding:0px;color:#f08c00;text-decoration:none;border-width:0px;border-style:none" href="http://www.skyfireenergy.com/" target="_blank">www.skyfireenergy.com</a></div>
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<div class="gmail_quote">On Thu, Dec 3, 2015 at 3:05 PM, Dana <span dir="ltr"><<a href="mailto:dana@solarwork.com" target="_blank">dana@solarwork.com</a>></span> wrote:<br>
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<p class="MsoNormal" style="margin:0;padding:0;font-family:arial;font-size:14pt;word-wrap:break-word"><span style="font-size:14.0pt;font-family:'Century Gothic','sans-serif';color:black">For a flat roof, 35° rack mounted large array in snow country what have people done for snow removal other than hand shovel it out?</span></p>
<p class="MsoNormal" style="margin:0;padding:0;font-family:arial;font-size:14pt;word-wrap:break-word"><span style="font-size:14.0pt;font-family:'Century Gothic','sans-serif';color:black">We thought of a dark roof material to start, & we can’t snow blow as there will be sidewalks & people below on all 4 sides.</span></p>
<p class="MsoNormal" style="margin:0;padding:0;font-family:arial;font-size:14pt;word-wrap:break-word"><span style="font-size:14.0pt;font-family:'Century Gothic','sans-serif';color:black">We are trying think this out in advance!</span></p>
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