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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Don,<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'>PV:WATTS version 1 is easiest to use and it is available at <a
href="http://rredc.nrel.gov/solar/calculators/PVWATTS/version1/">http://rredc.nrel.gov/solar/calculators/PVWATTS/version1/</a>.
It covers fixed tilt, single- and two-axis tracking for standard crystalline
silicon modules. My confusion had to do with whether the 5.9 kWh/m2/day was a
fixed tilt value or single-axis tracker. Not knowing the location makes that
impossible to figure out. PV:WATTS version 2 is what the CSI program uses to
calculate EPBB rebate. Unfortunately, the EPBB calculator does not access the
single- and two-axis tracking parts of PV:WATTS version 2. <br>
<br>
<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>PVSYST is available online from Switzerland at <a
href="http://www.pvsyst.com">www.pvsyst.com</a><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'>Bill.<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>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> re-wrenches-bounces@lists.re-wrenches.org
[mailto:re-wrenches-bounces@lists.re-wrenches.org] <b>On Behalf Of </b>I2P@aol.com<br>
<b>Sent:</b> Tuesday, November 04, 2008 10:54 AM<br>
<b>To:</b> re-wrenches@lists.re-wrenches.org<br>
<b>Subject:</b> Re: [RE-wrenches] Insolation radiation to performance
numbers...<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><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>In a message dated 11/4/2008 9:45:57 A.M. Pacific Standard Time,
billbrooks7@yahoo.com writes:<o:p></o:p></span></p>
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<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>If really want to get serious, use PVSYST.<o:p></o:p></span></p>
</blockquote>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Hi Bill, Where is this available?. I'd like to check it out.<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Thanks, Don Loweburg<o:p></o:p></span></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'><br>
<br>
<o:p></o:p></span></p>
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</span></div>
<p class=MsoNormal style='margin-top:7.5pt'><span style='font-size:10.0pt;
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