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<p class=MsoNormal>I sent out an email a few weeks ago about whether people
thought we could use an on-site gas-fired fuel cell in EAc1 (reduces utility
company demand, lowers emissions, etc).<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Although we haven’t submitted our project this way,
nor have we submitted a CIR, I just noticed at the end of the CHP Methodology
publication that the following requirements exist:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoPlainText style='margin-left:.5in'><b><u><span style='font-size:
11.0pt;font-family:"Times New Roman","serif";color:red'>CHP System
Qualifications <o:p></o:p></span></u></b></p>
<p class=MsoPlainText style='margin-left:.5in'><b><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'><o:p> </o:p></span></b></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>The intent of this guidance
protocol is not to grant performance advantages under EAc1 to <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>large-scale utilities, but
rather to support and reward the implementation of smaller scale <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>CHP installations.
Consequently the CHP system must meet the following criteria in order <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>to be eligible for
consideration under EAc1. <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'><o:p> </o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><b><u><span style='font-size:
12.0pt;font-family:"Times New Roman","serif";color:#00B050'>1. The minimum
annual CHP system efficiency must be at least 60%.</span></u></b><b><span
style='font-size:12.0pt;font-family:"Times New Roman","serif";color:red'> </span></b><span
style='font-size:11.0pt;font-family:"Times New Roman","serif";color:red'>Efficiency
is <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>expressed by the following
equation: <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'><o:p> </o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>Annual CHP Efficiency =
(Annual Btu electrical output of the fuel-driven electricity <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>generator + Annual Btu Thermal
Product) / Annual Btu fuel input (Lower Heating Value of <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>input fuel) <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'><o:p> </o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>2. The environmental
performance of district CHP systems must be validated by a <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>narrative addressing emissions
and showing that the environmental impact of the system <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>is lower than if the building
heating requirements were met with a natural gas boiler and <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>the cooling requirements with
electric chillers using electricity provided from the local grid. <o:p></o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'><o:p> </o:p></span></p>
<p class=MsoPlainText style='margin-left:.5in'><span style='font-size:11.0pt;
font-family:"Times New Roman","serif";color:red'>3. The Design Building must
still meet EA Prerequisite 2 without the benefit of CHP.<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>In other words, unless we are recovering heat from fuel
cells, natural gas generators, etc, and the total system efficiency is 60%, we
CANNOT take credit for them in EAc1.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Sucks, but I guess there’s a valid reason for this
(someone could install a big inefficient diesel generator to shave peak demand,
and get away with lower performing building materials, HVAC systems, etc).<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Just wanted to forward this information to everyone.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><b><span style='font-family:"Arial","sans-serif";color:teal'>GHT
Limited<br>
</span></b><b><span style='font-family:"Arial","sans-serif"'><ns0:PersonName><span
style='color:black'>James Hansen</span></ns0:PersonName></span></b><b><span
style='color:black'>, PE, LEED AP<o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Senior Associate</span></b><b><span style='color:black'><o:p></o:p></span></b></p>
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style='color:black'><o:p></o:p></span></p>
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color:black'>703-338-5754 (Cell)</span><span style='color:black'><o:p></o:p></span></p>
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href="http://www.ghtltd.com/"><span style='font-size:10.0pt;color:blue'>www.ghtltd.com</span></a><o:p></o:p></span></p>
<p class=MsoNormal><b><span style='color:#31849B'><o:p> </o:p></span></b></p>
<p class=MsoNormal><o:p> </o:p></p>
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