<div dir="ltr">Marco,<div><br></div><div>Here is a summary of our experience with Enphase to date</div><div><table border="0" cellpadding="0" cellspacing="0" width="214" style="border-collapse:collapse;width:161pt">
<colgroup><col width="72" style="width:54pt">
<col width="64" style="width:48pt">
<col width="78" style="width:59pt">
</colgroup><tbody><tr height="20" style="height:15pt">
<td height="20" class="" align="right" width="72" style="height:15pt;width:54pt">13.1%</td>
<td class="" colspan="2" width="142" style="width:107pt"> overall
failure rate</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" class="" align="right" style="height:15pt">25.6% </td>
<td class="" colspan="2">M190 failure rate</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" class="" align="right" style="height:15pt">25.0% </td>
<td class="" colspan="2">D380 failure rate</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" class="" align="right" style="height:15pt">2.1% </td>
<td class="" colspan="2">M210 failure rate</td>
</tr>
<tr height="20" style="height:15pt">
<td height="20" class="" align="right" style="height:15pt">5.6% </td>
<td class="" colspan="2">M215 failure rate</td>
</tr></tbody></table></div><div><br></div><div>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.</div><div>We have two other M190 sites in line to be swapped for 215s once the 90 day monitoring period is up. </div>
<div><br></div><div>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. </div><div>Those failures are reflected in the above statistics.</div>
<div><br></div><div>With Regards<br></div><div>Carl Adams</div><div>SunRock Solar</div><div><br></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Aug 2, 2013 at 10:29 PM, Marco Mangelsdorf <span dir="ltr"><<a href="mailto:marco@pvthawaii.com" target="_blank">marco@pvthawaii.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-US" link="blue" vlink="purple">
<div>
<p class="MsoNormal">What are you all seeing as far as failure rates for the
Enphase M215s?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I’ve got a contractor friend on O’ahu who
installed a 60-mod system (using the M215s) and has had failures with nine of
the buggers, leading to a rather unhappy homeowner.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">While my contractor friend has had some level of support from
our Enphase friends, he has gone back to the site many times and is wondering
at what point Enphase would authorize replacing the whole kit and caboodle of
all them thar micros.<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Anyone have anything similar happen?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Finally, are you seeing access yet to the new M250?<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Thanks,<u></u><u></u></p>
<p class="MsoNormal">marco<u></u><u></u></p>
</div>
</div>
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