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<div class="moz-cite-prefix">(off list) What brand and model are
they, Larry?<br>
Allan<br>
<br>
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charset=ISO-8859-1">
<title></title>
<font face="Times New Roman, Times, serif"><b>Allan Sindelar</b></font><br>
<small><a href="mailto:Allan@positiveenergysolar.com"><font
face="Times New Roman, Times, serif" color="#000099"><u>Allan@positiveenergysolar.com</u></font></a></small><font
face="Times New Roman, Times, serif"><br>
<span style="font-size: 10pt;">NABCEP Certified Photovoltaic
Installer<br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder and Chief Technology Officer<br>
<b>Positive Energy, Inc.</b><br>
3209 Richards Lane (note new address)<br>
Santa Fe, New Mexico 87507<br>
<b>505 424-1112</b><br>
<a href="http://www.positiveenergysolar.com/"
target="_blank"><u>www.positiveenergysolar.com</u></a><o:p></o:p></span></font>
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On 1/24/2013 2:16 PM, Larry Crutcher, Starlight Solar Power
Systems wrote:<br>
</div>
<blockquote
cite="mid:0702696F-E513-436A-9D7C-0DF050A34924@starlightsolar.com"
type="cite">Sorry, the 155 Watt modules have MC4's, not Tyco.<br>
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<div>Larry </div>
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<div>On Jan 24, 2013, at 12:35 PM, Allan Sindelar wrote:</div>
<br class="Apple-interchange-newline">
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charset=ISO-8859-1">
<div text="#000000" bgcolor="#FFFFFF"> Wrenches,<br>
We have years of installing 36-cell (12V) and 72-cell (24V)
modules for battery-based customers. Most of our systems are
24V or 48V nominal. Over the last few years, sources of
conventionally-sized 72-cell modules have dried up - as cells
have increased in size, most modules and most newer factory
production lines have either gone to 60-cell (20V) modules, or
72 cells in 300+ watt ranges. It seems that the formerly
common 72 cell, 24V modules in the 150-190 watt range, which
are well-suited to integrating into existing systems, are no
longer available.<br>
<br>
60-cell modules in the common 220-250 watt range can't be
added to an existing system unless run through a dedicated
MPPT charge controller that can convert voltage, such as an
FM, XW60, Classic or TriStar; the added cost of any of these
controllers cancels out the low prices of the modules.<br>
<br>
Who continues to manufacture 72-cell modules? Which
distributors carry them?<br>
I am aware of three options - are there more?<br>
- Sunpower makes one module in the 245 watt range that can
be used negative ground, but it's very high efficiency (and
with high Voc/Vmp as well) and very pricey;<br>
- Sanyo/Panasonic has 225-240 watt modules, but also quite
premium and pricey;<br>
- Ameresco bought the rights to manufacture many former BP
modules, and I think they make some. But we had to replace
lots of failed BP modules in that size range, and are hesitant
to use their technology, fearing that the problems may persist
in the continued line.<br>
<br>
Thank you for any discussion and recommendations.<br>
Allan<br>
<div class="moz-signature">-- <br>
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charset=ISO-8859-1">
<title></title>
<font face="Times New Roman, Times, serif"><b>Allan Sindelar</b></font><br>
<small><a moz-do-not-send="true"
href="mailto:Allan@positiveenergysolar.com"><font
face="Times New Roman, Times, serif" color="#000099"><u>Allan@positiveenergysolar.com</u></font></a></small><font
face="Times New Roman, Times, serif"><br>
<span style="font-size: 10pt;">NABCEP Certified
Photovoltaic Installer<br>
NABCEP Certified Technical Sales Professional<br>
New Mexico EE98J Journeyman Electrician<br>
Founder and Chief Technology Officer<br>
<b>Positive Energy, Inc.</b><br>
3209 Richards Lane (note new address)<br>
Santa Fe, New Mexico 87507<br>
<b>505 424-1112</b><br>
<a moz-do-not-send="true"
href="http://www.positiveenergysolar.com/"
target="_blank"><u>www.positiveenergysolar.com</u></a><o:p></o:p></span></font>
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