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<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>We have installed EnPhase on two jobs in
the 2-4 kW range and found that the installation touch labor is about the same.
The inverters install quickly on ProSolar rails. You need to install the 240 VAC
2P switches on the roof, but no big inverter on the ground. A wash IMHO.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>They are great for mitigating the effects
of shading.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>- Peter</span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
11.0pt;color:navy'> </span></font></p>
<br clear=ALL>
<p><font size=2 color=navy face=Arial><span style='font-size:10.0pt'> </span></font></p>
<p class=MsoNormal><img width=67 height=80
src="cid:image003.gif@01CA0AA6.D2492BA0" align=left hspace=12><font size=1
color=navy><span style='font-size:9.0pt;color:navy'>Peter T. Parrish, Ph.D.,
President<br>
California Solar Engineering, Inc.<br>
820 Cynthia Ave., Los Angeles, CA 90065<br>
CA Lic. 854779, NABCEP Cert. 031806-26<br>
<a href="mailto:peter.parrish@calsolareng.com">peter.parrish@calsolareng.com</a>
<br>
Ph 323-258-8883, Mobile 323-839-6108, Fax
323-258-8885
</span></font></p>
<p><font size=2 color=navy face=Arial><span style='font-size:10.0pt'> </span></font></p>
</div>
<div>
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face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
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</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Marco Mangelsdorf<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, July 21, 2009 9:31
PM<br>
<b><span style='font-weight:bold'>To:</span></b> 'RE-wrenches'<br>
<b><span style='font-weight:bold'>Subject:</span></b> [RE-wrenches] Enphase
comparison</span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'> </span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>To
those of you who have installed PV systems in, say, the 2-4 kW range using
Enphase inverters, how would you compare the labor time and installation
materials (wire, conduit, hardware, etc.) to a standard system design
using a single inverter?</span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'> </span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Longer?
Shorter? More or less materials? If either, by what percentage?</span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'> </span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Thanks,</span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>Marco</span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'>ProVision</span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'> </span></font></p>
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