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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am simulating a 28.1 kW array in DOE-2 (eQuest 3.6) and in
PV Watts. The array is flat, on a rooftop with 150 Sanyo 195 modules, and
6 PVPowered 4800W inverters.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>DOE-2 gives results with 20,600 kWh annual AC production
using the standard model methodology.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>PV Watts gives about 25,000 kWh annual AC production. Solar
designers in <st1:City w:st="on"><st1:place w:st="on">Portland</st1:place></st1:City>
support this higher value from actual building results.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Can anyone share experience with DOE-2 modeled PV output vs.
PV Watts, or offer any suggestions on variables of primary concern in the DOE-2
input?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>If anyone is truly expert on modeling solar PV in DOE-2, and
can validate results with other calculation tools,<u> I would be interested in hiring
you </u>for some limited consulting. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Brian Thornton, PE<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoAutoSig><st1:City w:st="on"><st1:place w:st="on"><font size=2
face=Arial><span style='font-size:11.0pt;font-family:Arial'>Thornton</span></font></st1:place></st1:City><font
size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'> Energy
Consulting<o:p></o:p></span></font></p>
<p class=MsoAutoSig><font size=2 face=Arial><span style='font-size:11.0pt;
font-family:Arial'>p. 503-231-6600 f. 503-231-3555<o:p></o:p></span></font></p>
<p class=MsoPlainText><st1:PersonName w:st="on"><font size=2 face=Arial><span
style='font-size:11.0pt;font-family:Arial'>thorntonenergy@comcast.net</span></font></st1:PersonName><font
size=2 face=Arial><span style='font-size:11.0pt;font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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