<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"\0027Franklin Gothic Medium\0027";
panose-1:0 0 0 0 0 0 0 0 0 0;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p
{mso-style-priority:99;
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EmailStyle18
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Andrew,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>We installed a Solar Edge system on a 5 kW this spring. We've had to replace all the optimizers and the inverters. They've been OK with support on this but perhaps a bit slow in throwing in the towel making us go back three times. Maybe the bugs are out by now but our experience wasn't one I'd like to repeat.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Conrad<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cotuit Solar<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> re-wrenches-bounces@lists.re-wrenches.org [mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>Andrew Truitt<br><b>Sent:</b> Thursday, January 12, 2012 1:25 AM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] SolarEdge v Enphase<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Does anyone have any experience installing SolarEdge? The advantage that I see over microinverters from a reliability standpoint is that the power optimizers do not contain electrolytic capacitors. The inverter is also supposed to last longer since it does not handle the MPPT duties so the electronics are less complex.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Marv - Do you have any SolarEdge reliability and / or performance data you can share beyond the white paper on the SolarEdge website? Also, one issue that I've had with Enphase is an occasional loss of data transfer between inverters and the monitoring system - does SolarEdge have that issue? If not, how have you overcome it? Can you share a link to a live SolarEdge system monitoring interface?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Andrew Truitt<o:p></o:p></p></div><div><p class=MsoNormal>Truitt Renewable Energy Consulting<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On Thu, Jun 9, 2011 at 12:40 PM, Mark Frye <<a href="mailto:markf@berkeleysolar.com">markf@berkeleysolar.com</a>> wrote:<o:p></o:p></p><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'>Indeed.....</span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'>Yes it is 1v per module when not operating, but still >250V when operating. That means that all code requirements for >250V still apply to the DC wiring such as bonding bushings for conduit as required etc.</span><o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'>SolarEdge is making hay off of this safety feature, but this feature is inherent in microinverters as well. </span><o:p></o:p></p></div><div><p><br><span style='font-family:"Arial","sans-serif"'>Mark Frye</span> <br><span style='font-family:"Arial","sans-serif"'>Berkeley Solar Electric Systems</span> <br><span style='font-family:"Arial","sans-serif"'>303 Redbud Way</span> <br><span style='font-family:"Arial","sans-serif"'>Nevada City, CA 95959</span> <br><span style='font-family:"Arial","sans-serif"'><a href="tel:%28530%29%20401-8024" target="_blank">(530) 401-8024</a></span> <br><a href="http://www.berkeleysolar.com/" target="_blank"><span style='font-family:"Arial","sans-serif"'>www.berkeleysolar.com</span></a><span style='font-family:"Arial","sans-serif"'> </span> <o:p></o:p></p><div><p class=MsoNormal> <o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-family:"Tahoma","sans-serif"'> <a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a> [mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>benn kilburn<br><b>Sent:</b> Thursday, June 09, 2011 10:54 AM<br><b>To:</b> Wrenches<br><b>Subject:</b> Re: [RE-wrenches] SolarEdge v Enphase</span><o:p></o:p></p><div><p class=MsoNormal>Mark, <o:p></o:p></p><div><p class=MsoNormal>I thought that the SolarEdge reduced the 'string' voltage to 1V per unit/module, reducing the high DC voltage risk factor, until the inverter switch was turned on?<o:p></o:p></p></div><div><p class=MsoNormal><br>The fact that by hitting the "off" switch on the inverter will reduce the potentially high DC voltage to 1V per unit/module could be an advantage from a safety perspective (maintenance, firemen/utility workers)<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Labor/time-wise, it is like installing both a microinverter system and a string inverter system together, soooooo....<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>benn<o:p></o:p></p></div><div><p class=MsoNormal><br><span style='font-family:"'Franklin Gothic Medium'","serif";color:#002060'>DayStar Renewable Energy Inc. </span> <o:p></o:p></p><div><div><p class=MsoNormal><span style='font-family:"'Franklin Gothic Medium'","serif"'><a href="mailto:benn@daystarsolar.ca" target="_blank">benn@daystarsolar.ca</a></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"'Franklin Gothic Medium'","serif"'><a href="tel:780-906-7807" target="_blank">780-906-7807</a> </span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"'Franklin Gothic Medium'","serif"'>HAVE A SUNNY DAY </span><o:p></o:p></p></div></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>List sponsored by Home Power magazine<br><br>List Address: <a href="mailto:RE-wrenches@lists.re-wrenches.org">RE-wrenches@lists.re-wrenches.org</a><br><br>Options & settings:<br><a href="http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org" target="_blank">http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org</a><br><br>List-Archive: <a href="http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org" 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" target="_blank">www.re-wrenches.org/etiquette.htm</a><br><br>Check out participant bios:<br><a href="http://www.members.re-wrenches.org" target="_blank">www.members.re-wrenches.org</a><br><br><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>