<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial, helvetica, sans-serif;font-size:10pt"><div>Makes you wonder what is officially calibrated to what....is digital more accurate or analog utility meters...??</div><div style="font-family:arial, helvetica, sans-serif;font-size:10pt"><br><div style="font-family:times new roman, new york, times, serif;font-size:12pt"><font size="2" face="Tahoma"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Marco Mangelsdorf <marco@pvthawaii.com><br><b><span style="font-weight: bold;">To:</span></b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br><b><span style="font-weight: bold;">Cc:</span></b> Douglas Bath <Douglas@pvthawaii.com><br><b><span style="font-weight: bold;">Sent:</span></b> Thu, May 6, 2010 8:11:16 PM<br><b><span style="font-weight: bold;">Subject:</span></b> [RE-wrenches] FW: Enphase performance<br></font><br>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"sans-serif";">Marco,</span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"sans-serif";">I
have a revenue grade kWh meter on my 3 Enphase 175 system that is owned by
the utility (production based incentive in WA state) and the Enphase
monitoring reads about 6% over the revenue meter. This has been over a one
year period. I've been very pleased with the performance using either
measurement.<br>
<br>
Brad<br>
AEE Solar</span></p>
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