<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div><span>I hope I did not give the wrong impression, my large system I gave the sunlight to AC not the inverter efficiency, I have access in the data to the module output to AC and it is very good, I do not remember the numbers, but close to 90% the low performance of my system is the measured underperformance of the modules with some module failures. I can not say why some modules have failed, but the outback equipemnt has not. I have 12 inverters GVFX 3648 on one system, and very little maintence. The syetem will run without batteries. I was checking battery condition and shut off the batteries and it ran for a month. before I checked and turned the batteries back on. </span></div><div><br></div> <div style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"> <div
style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <font size="2" face="Arial"> <div style="margin: 5px 0px; padding: 0px; border: 1px solid rgb(204, 204, 204); height: 0px; line-height: 0; font-size: 0px;" class="hr" contentEditable="false" readonly="true"></div> <b><span style="font-weight: bold;">From:</span></b> Wayne Irwin <wayne@pureenergysolar.com><br> <b><span style="font-weight: bold;">To:</span></b> Wrenches <re-wrenches@lists.re-wrenches.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, December 20, 2011 7:44 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [RE-wrenches] System Performance | Battery Based Grid Tie<br> </font> <br>
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We have found that most of our batt systems are running at around 85% sell back.<br><br><font color="#76923c">Wayne Irwin</font><font color="#76923c">, EE<br>Director of Engineering<br></font><font color="#76923c">
Pure Energy Solar International Inc. </font><font color="#76923c"><br></font><font color="#76923c"></font><font color="#76923c">State Licensed Solar Contractor</font><font color="#76923c"><br></font><font color="#76923c">
License # CVC56695 </font><br>
<a href="mailto:PureEnergySolar@hotmail.com" rel="nofollow" target="_blank" ymailto="mailto:PureEnergySolar@hotmail.com">Wayne@PureEnergySolar.com</a>
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<font color="#76923c">352 377-6527 Office</font><font color="#76923c"><br></font><font color="#76923c">352 336-3299
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message from your computer system. Thank you.</span></font></div><br><br><div><div id="yiv355311906SkyDrivePlaceholder"></div><div style="margin: 5px 0px; padding: 0px; border: 1px solid rgb(204, 204, 204); height: 0px; line-height: 0; font-size: 0px;" class="hr" contentEditable="false" readonly="true"></div>Date: Tue, 20 Dec 2011 17:41:04 -0800<br>From: toddcory@finestplanet.com<br>To: re-wrenches@lists.re-wrenches.org<br>Subject: Re: [RE-wrenches] System Performance | Battery Based Grid Tie<br><br><font size="4" face="arial"><div style="padding: 0px;">that's a nice conservative estimate for input STC kWh to sold kWh jeremy</div>
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<div style="padding: 0px;">as far as charge controller kWh to sold kWh, my OB 3648 runs in the ~87% range</div>
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<div style="padding: 0px;">todd</div>
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<div style="padding: 0px;">On Tuesday, December 20, 2011 3:00pm, "All Solar, Inc." <allsolar@scswifi.net> said:<br><br></div>
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<div><span style="font-family: Arial; font-size: 10pt;">Wrenches,</span></div>
<div><span style="font-family: Arial; font-size: 10pt;">I am looking for advice and or comments on system performance from a Grid Tied battery back up system.</span></div>
<div><span style="font-family: Arial; font-size: 10pt;">Is 65% efficiency fair as far as what goes back to the grid?</span></div>
<div><span style="font-family: Arial; font-size: 10pt;">Is PV watts a good tool for that.</span></div>
<div><span style="font-family: Arial; font-size: 10pt;"> </span></div>
<div><span style="font-family: Arial; font-size: 10pt;">Commnets are welcome!</span></div>
<div><span style="font-family: Arial; font-size: 10pt;"> </span></div>
<div><span style="font-family: Arial; font-size: 10pt;">Jeremy</span></div>
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<div><span style="font-family: Arial; font-size: 10pt;">All Solar Inc.<br>Jeremy and Amy Rodriguez<br>1463 M St<br>Penrose, CO 81240<br><a href="http://www.asolarelectric.com" rel="nofollow" target="_blank">www.asolarelectric.com</a><br>Phone 719-372-3808<br>Fax 719-372-3804<br>Email <a href="mailto:allsolar@scswifi.net" rel="nofollow" target="_blank" ymailto="mailto:allsolar@scswifi.net">allsolar@scswifi.net</a><br>Email <a href="mailto:allsolar@live.com" rel="nofollow" target="_blank" ymailto="mailto:allsolar@live.com">allsolar@live.com</a></span></div>
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