<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:10pt"><div>Folks<br><br>Back to the innovation axiom: more companies will deploy more web based solutions to measure real time data of a systems performance over time.<br><br>This data is important to have and see to compare characteristics related to mods and inverter performance to bolster or ouster manu claims on output.<br><br>Clearly with a nation FIT looming, it will be all about production and the reality of cost per watt will sail far into the distance of our memories.<br><br>Cost per kwH created, or in the longer run, LCOE- levelized cost of energy. Getting projects deployed at lower levelized costs will add to the value and create a better argument for the fossil fuel conversation and the why we need renewables will become more of an easier discussion to have. The utility charges us for kwH used, so
keeping this in sync is essential.<br><br>To me, non firm resources will still have some uphill battles, until we find the holy grail- storage worked out in a pragmatic and economic fashion coupled with lower maintenance for the consumer.<br></div><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;"><br><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font size="2" face="Tahoma"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Marco Mangelsdorf <marco@pvthawaii.com><br><b><span style="font-weight: bold;">To:</span></b> RE-wrenches <re-wrenches@lists.re-wrenches.org><br><b><span style="font-weight: bold;">Sent:</span></b> Tue, November 10, 2009 8:18:57 AM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: [RE-wrenches] performance matters<br></font><br>
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<p class="MsoNormal"><span style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">Hence the need to be able to present objective, 3<sup>rd</sup>
party-collected performance data demonstrably showing the superior performance
of one brand over another.</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">marco</span><span style="font-size: 10pt; font-family: "Tahoma","sans-serif";"></span></p>
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<p class="MsoNormal">Marco:<br>
<br>
Good point, but how does a consumer quantify the expected long term harvest and
reliability of a solar electric system? Smooth talking sales people will
assure customers that the lower priced system is of equal value as the name
brand system offered by an established installer.<br>
<br>
William Miller<br>
<br>
PS: Our best customers are working or retired trades people or
engineers. They know the difference.<br>
<br>
Wm<br>
<br>
At 09:50 AM 11/10/2009, you wrote:<br>
<br>
<br>
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<p class="MsoNormal"> <br>
But when it comes down it, what really matters to the consumer is not the
$/watt installed cost but the kWhs produced by the system over time. For
what good is a cheap PV system if its output is poor?<br>
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