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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Yeah, but I’m looking for the equation as to how you get to that
75-80 percent figure.<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>marco</span><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><o:p></o:p></span></p>

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<p class=MsoNormal><o:p> </o:p></p>

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<p class=MsoNormal>Marco<o:p></o:p></p>

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<p class=MsoNormal>I use 75% as a general rule, it seems to work out well. I've
gotten upwards of 80% on certain enphase & sanyo installations.<o:p></o:p></p>

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<p class=MsoNormal> <o:p></o:p></p>

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<p class=MsoNormal>Mike Nelson<o:p></o:p></p>

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<p class=MsoNormal>MD Electric & Solar, Inc.<o:p></o:p></p>

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<p class=MsoNormal style='margin-bottom:12.0pt'>Gualala, Ca. 95445<o:p></o:p></p>

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<p class=MsoNormal>On Tue, Oct 12, 2010 at 6:17 PM, Marco Mangelsdorf <<a
href="mailto:marco@pvthawaii.com">marco@pvthawaii.com</a>> wrote:<o:p></o:p></p>

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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Could
someone please provide me with that generally accepted equation when it comes
to estimating AC output from a PV array versus the STC rating?<o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>That
is, I’m looking for that equation which estimates the losses due to mod
mismatch, soiling, wire losses, etc., etc.  I’ve got someone who
mistakenly expects their PV array to put out 90 or more percent of the STC
rating.<o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks,<o:p></o:p></p>

<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>marco<o:p></o:p></p>

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<p class=MsoNormal><o:p> </o:p></p>

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