<font face="arial" size="4"><p style="margin:0;padding:0;">I consistently see 87% DC kWh to sold kWh with my Outback system.</p>
<p style="margin:0;padding:0;">(don't forget to also consider the usual STC to PTC derating)</p>
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<p style="margin:0;padding:0;">Todd</p>
<p style="margin:0;padding:0;"> </p>
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<p style="margin:0;padding:0;">On Wednesday, January 4, 2012 3:01pm, "All Solar, Inc." <allsolar@scswifi.net> said:<br /><br /></p>
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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;">Once again I am trying to size a grid tie w/battery system and I struggle a little with the efficiencies of them.</span></div>
<div><span style="font-family: Arial; font-size: 10pt;">With PV Watts (v.1), is changing the DC to AC derate an accurate method for getting the output?</span></div>
<div><span style="font-family: Arial; font-size: 10pt;"> </span></div>
<div><span style="font-family: Arial; font-size: 10pt;">Thanks in advance!</span></div>
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<div><span style="font-family: Arial; font-size: 10pt;">Jeremy</span></div>
<div><span style="font-family: Arial; font-size: 10pt;"> </span></div>
<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">www.asolarelectric.com</a><br />Phone 719-372-3808<br />Fax 719-372-3804<br />Email <a href="mailto:allsolar@scswifi.net">allsolar@scswifi.net</a><br />Email <a href="mailto:allsolar@live.com">allsolar@live.com</a></span></div>
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