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<p class="MsoNormal">Marco \u2013 <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I will need to ask for information about the BYD availability. Once those units have all required listings/certifications and are available in US, they should be ready to use with SBS. The CANBUS comms to the BMS has already been vetted,
and they are on the SMA Approved battery list already. But I will get confirmation on the immediate usability.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best regards \u2013 <o:p></o:p></p>
<p class="MsoNormal">Mike<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">SMA America<br>
Michael Mahon</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><br>
Technical Trainer, Solar Academy<br>
6020 West Oaks Boulevard, Suite 300<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Rocklin, CA 95765<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">U.S.A.</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Mobile: +1 916 918 9412<u><br>
<a href="http://www.sma-america.com/">www.SMA-America.com</a><o:p></o:p></u></span></p>
<p class="MsoNormal"><u><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><o:p><span style="text-decoration:none"> </span></o:p></span></u></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Solar Academy:
<a href="http://www.sma-america.com/partners/sma-solar-academy/overview.html">www.SMA-America.com/partners/sma-solar-academy/overview.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Full training schedule:
<a href="https://www.sma-america.com/partners/sma-solar-academy/seminars/trainings/training/list.html">
https://www.sma-america.com/partners/sma-solar-academy/seminars/trainings/training/list.html</a><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">This email and any attachments thereto may contain SMA America, LLC confidential, privileged and private material for the sole use of the intended recipient. Any review, copying,
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Thank you.</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>From:</b> RE-wrenches <re-wrenches-bounces@lists.re-wrenches.org>
<b>On Behalf Of </b>Marco Mangelsdorf<br>
<b>Sent:</b> Monday, September 17, 2018 10:20 PM<br>
<b>To:</b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br>
<b>Subject:</b> Re: [RE-wrenches] Low voltage DC v. higher voltage DC<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Mahalo Mike. <o:p></o:p></p>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
<div>
<p class="MsoNormal">Can you tell us please when the SS will actually be able to integrate the BYD battery platform in the north American market? <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
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<div>
<p class="MsoNormal">marco <br>
<br>
On Monday, September 17, 2018, Harry Mahon <<a href="mailto:Michael.Mahon@sma-america.com">Michael.Mahon@sma-america.com</a>> wrote:<o:p></o:p></p>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in">
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<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Marco and all \u2013 yes that is the correct spec sheet for the BYD batteries that will work with Sunny Boy Storage.<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">SMA strongly would recommend the Sunny Island for off-grid in general and certainly whole home backup. See the attached from Home Power April/May 2011; quad stack of SIs acting
as UPS for the home \u2013 just charging batteries when grid is present, powering home with batteries/PV when grid is gone. A dual split phase cluster is almost 24,000 W continuous (!) capability and can handle crazy power factor loads with no issues. Built in
generator functions and two relay positions per Sunny Island allow for lots of redundancy and fail-safe load shedding to be built in.<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">The Sunny Boy Storage (SBS) is designed to be a grid-tied inverter to allow higher self consumption of local PV power. Even with the ABU to allow off grid operation (grid forming
on its AC outputs rather than just on the dedicated 120VAC Secure Power Supply outlet), there can be a several second delay in the switch from grid power to microgrid as the ABU must signal the Sunny Boy Storage that it has disconnected from the grid and that
it is safe for the SBS to form a grid on its output terminals. Also be aware that there is no master-slave configuration ability with the SBS \u2013 they will always assume they are acting independently on their energy meter input information.
<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">Best regards \u2013
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Mike<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">SMA America<br>
Michael Mahon</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif"><br>
Technical Trainer, Solar Academy<br>
6020 West Oaks Boulevard, Suite 300</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Rocklin, CA 95765</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">U.S.A.</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Mobile: +1 916 918 9412<u><br>
<a href="http://www.sma-america.com/" target="_blank">www.SMA-America.com</a></u></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Solar Academy:
<a href="http://www.sma-america.com/partners/sma-solar-academy/overview.html" target="_blank">
www.SMA-America.com/partners/sma-solar-academy/overview.html</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif">Full training schedule:
<a href="https://www.sma-america.com/partners/sma-solar-academy/seminars/trainings/training/list.html" target="_blank">
https://www.sma-america.com/partners/sma-solar-academy/seminars/trainings/training/list.html</a></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
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<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"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">This email and any attachments thereto may contain SMA America, LLC confidential, privileged and private material for
the sole use of the intended recipient. Any review, copying, or distribution of this email (or any attachments thereto) by others is strictly prohibited. If you are not the intended recipient, please contact the sender immediately and permanently delete the
original and any copies of this email and any attachments thereto. Thank you.</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>From:</b> RE-wrenches <<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>>
<b>On Behalf Of </b>Marco Mangelsdorf<br>
<b>Sent:</b> Saturday, September 15, 2018 10:08 PM<br>
<b>To:</b> 'RE-wrenches' <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>><br>
<b>Subject:</b> Re: [RE-wrenches] Low voltage DC v. higher voltage DC<o:p></o:p></p>
</div>
</div>
<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">Sabaidee from Vientiane, Lao PDR.<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">Attached is the spec sheet on the BYD battery in question.<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">I\u2019ve confirmed with SMA directly that there\u2019s no capability for the Sunny Storage design (S.S., ABU and battery) to use a generator input. My apologies for mis-stating earlier
that it could accommodate a generator.<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">As far as grid-tie with batteries, the Holy Grail as far as I\u2019m concerned is being able to provide whole house back-up and not have to do the old fashioned and pain in the arse
critical load sub-panel. The more choices that we\u2019re provided, the more better. So I\u2019m pleased that companies like SMA, Ensync, SolarEdge and others are bringing new equipment and designs to market to allow for whole house back-up.<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">marco<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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 [<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">mailto:re-wrenches-bounces@lists.re-wrenches.org</a>]
<b>On Behalf Of </b>jay<br>
<b>Sent:</b> Saturday, September 15, 2018 5:00 AM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> Re: [RE-wrenches] Low voltage DC v. higher voltage DC</span><o:p></o:p></p>
</div>
</div>
<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">HI Harry,<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The battery is charged from the AC side correct?<o:p></o:p></p>
</div>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">And is the charging algorithm inside the ABU.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">If so why couldn\u2019t you use a generator to charge the battery?<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">jay<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">peltz power<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Sep 13, 2018, at 7:10 AM, Harry Mahon <<a href="mailto:Michael.Mahon@sma-america.com" target="_blank">Michael.Mahon@sma-america.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"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Marco \u2013 <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The Sunny Boy Storage \u201cAdvanced Backup Unit\u201d accessory or ABU will be discussed at SPI in a couple weeks \u2013 first units are being stocked now at our warehouses in US. The ABU will
allow the SBS to be a grid former in case of utility outage, however there are no plans to have any generator inputs/controls to allow for battery charging from generat<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">And yes, BYD BBox HV 5.12/7.68/10.24 devices will be supported when available in US (will be this year I understand)<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Mike<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">-----</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
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<pre>The SMA Sunny Storage looks promising.<o:p></o:p></pre>
<pre> <o:p></o:p></pre>
<pre>It will be able to work with the LGC RESU10 HV battery and, sooner rather<o:p></o:p></pre>
<pre>than later I hope, BYD package as well.<o:p></o:p></pre>
<pre> <o:p></o:p></pre>
<pre>And it will allow for a backup generator tie in.<o:p></o:p></pre>
<pre> <o:p></o:p></pre>
<pre>Ta-dah!<o:p></o:p></pre>
<pre> <o:p></o:p></pre>
<pre>marco<o:p></o:p></pre>
<pre> <o:p></o:p></pre>
<pre>On Thursday, September 13, 2018, Bruce Erickson <<a href="http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org" target="_blank"><span style="color:purple">bruce at mendocinosolar.com</span></a>><o:p></o:p></pre>
<pre>wrote:<o:p></o:p></pre>
<pre> <o:p></o:p></pre>
<pre>><i> Hi Marco,</i><o:p></o:p></pre>
<pre>><i> </i><o:p></o:p></pre>
<pre>><i> I partially agree with you. I recently bid Outback, StorEdge, and Pika</i><o:p></o:p></pre>
<pre>><i> options for a GTBB customer, partly to understand pricing for myself, and</i><o:p></o:p></pre>
<pre>><i> found OB to be so much more expensive. The customer really wanted a system</i><o:p></o:p></pre>
<pre>><i> that would be to be able to charge the batteries off a generator in an</i><o:p></o:p></pre>
<pre>><i> outage, understandably. But the extra thousands in cost for OB ended up</i><o:p></o:p></pre>
<pre>><i> being prohibitive. Add-on rapid shutdown is a killer. So he\u2019s opting for a</i><o:p></o:p></pre>
<pre>><i> nice modern high voltage DC system, with optimizers and built-in RSD, but</i><o:p></o:p></pre>
<pre>><i> when there\u2019s an extended outage, he\u2019ll have to hope the sun comes out right</i><o:p></o:p></pre>
<pre>><i> after the storm to recharge the batteries, or he\u2019ll end up in the dark</i><o:p></o:p></pre>
<pre>><i> again, until the grid comes back. Maybe there\u2019s a high voltage inverter</i><o:p></o:p></pre>
<pre>><i> that allows generator charging, or a third-party battery charger, that I\u2019m</i><o:p></o:p></pre>
<pre>><i> not aware of. Otherwise high voltage systems are very limited for backup,</i><o:p></o:p></pre>
<pre>><i> at least in winter storm scenarios.</i><o:p></o:p></pre>
<pre>><i> </i><o:p></o:p></pre>
<pre>><i> *Bruce Erickson*</i><o:p></o:p></pre>
<pre>><i> Mendocino Solar Service</i><o:p></o:p></pre>
<pre>><i> PO Box 1252</i><o:p></o:p></pre>
<pre>><i> Mendocino, CA 95460</i><o:p></o:p></pre>
<pre>><i> 707-937-1701</i><o:p></o:p></pre>
<pre>><i> 707-937-1741 fax</i><o:p></o:p></pre>
<pre>><i> <a href="http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org" target="_blank"><span style="color:purple">bruce at mendocinosolar.com</span></a></i><o:p></o:p></pre>
<pre>><i> </i><o:p></o:p></pre>
<pre>><i> *Connecting Mendocino County to Solar Since* *1994*</i><o:p></o:p></pre>
<pre>><i> </i><o:p></o:p></pre>
<pre>> <o:p></o:p></pre>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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