Hi Marco, We definitely experienced an overstatment.
We have a client who installed 5kW on a string inverter and 5kW on enphase and it is that side-by-side comparison that enabled us to positively identify a problem. There was a significant overstatement of output. We finally got a Enphase person who told us it was a software glitch. The problem appears to be fixed. They explained to us that our problem was isolated without giving us a detailed explanation of what happened. Since that problem was fixed, we have seen no difference in output between a string inverter and enphase. Randy Randy Sadewic Positive Energy Office: 505 424-1112 Cell: 505 570-0137 From: [email protected] [mailto:[email protected]] On Behalf Of Marco Mangelsdorf Sent: Thursday, May 06, 2010 8:25 PM To: 'RE-wrenches' Subject: [RE-wrenches] Enphase performance My biz partner has an Enphase system with BP Solar mods. He believes that the web-based monitoring system may be reporting on the high side as far as kWH performance over time. That is, he suspects that what he's seeing may not be accurate. Anyone out there have a similar experience? Thanks, marco
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