<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 12 (filtered medium)"><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;}
/* 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;}
span.EmailStyle17
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;}
@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'>Very helpful, Carl. Thanks.<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'>Might I ask what kind of compensation you’re getting from Enphase for your time and repeated trips to the site?<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'>marco<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><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><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>Carl Adams<br><b>Sent:</b> Sunday, August 04, 2013 4:26 PM<br><b>To:</b> RE-wrenches<br><b>Subject:</b> Re: [RE-wrenches] Enphase failures<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Marco,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Here is a summary of our experience with Enphase to date<o:p></o:p></p></div><div><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=215 style='width:161.0pt;border-collapse:collapse'><tr style='height:15.0pt'><td width=72 style='width:.75in;padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal align=right style='text-align:right'>13.1%<o:p></o:p></p></td><td width=143 style='width:107.0pt;padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal> overall failure rate<o:p></o:p></p></td></tr><tr style='height:15.0pt'><td style='padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal align=right style='text-align:right'>25.6% <o:p></o:p></p></td><td style='padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal>M190 failure rate<o:p></o:p></p></td></tr><tr style='height:15.0pt'><td style='padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal align=right style='text-align:right'>25.0% <o:p></o:p></p></td><td style='padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal>D380 failure rate<o:p></o:p></p></td></tr><tr style='height:15.0pt'><td style='padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal align=right style='text-align:right'>2.1% <o:p></o:p></p></td><td style='padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal>M210 failure rate<o:p></o:p></p></td></tr><tr style='height:15.0pt'><td style='padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal align=right style='text-align:right'>5.6% <o:p></o:p></p></td><td style='padding:0in 0in 0in 0in;height:15.0pt'><p class=MsoNormal>M215 failure rate<o:p></o:p></p></td></tr></table></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We have had two full site upgrades last year. One from M190s - 215s, the other from D380s to M215s. No problems at those sites since the swap out.<o:p></o:p></p></div><div><p class=MsoNormal>We have two other M190 sites in line to be swapped for 215s once the 90 day monitoring period is up. <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Just swapped 3 of 15 inverters on a site last week. When I showed up with the 3 new inverters two more had died, they are now enroute from Enphase. <o:p></o:p></p></div><div><p class=MsoNormal>Those failures are reflected in the above statistics.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>With Regards<o:p></o:p></p></div><div><p class=MsoNormal>Carl Adams<o:p></o:p></p></div><div><p class=MsoNormal>SunRock Solar<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>