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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:EN-US">Thanks for your reply Nick, always helpful.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:EN-US">I was not aware of the topic in Volume 3 about sub-hour demand intervals.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:EN-US">So upon reading, I realize my main system is a dual duct system so maybe the problems lies there. I was puzzled (and still am) because my metered/billing demands (ES-E
report) were <u>lower</u> than my hourly demand (PS-E report). I get that your billing demand might be higher than your metered demand but I don’t quite get how the hourly demand can be lower. This was drastically reducing my peak demand compared to my reference
building.. which I find provided me too much savings.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:EN-US">I settled at running with a demand interval of 60min, which fixed the problem but I admit I’m still somewhat puzzled.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif;color:#3F3F3F">Patrick</span></b><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif;color:#1F497D"> </span></b><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif;color:#3F3F3F">Lapierre</span></b><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#7D7D7D">_ing.</span></b><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif;color:#1F497D"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#A5A5A5">plapierre@bpa.ca | t: 5143833747x2807<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Arial",sans-serif;color:#BFBFBF"> </span><span style="color:#1F497D;mso-fareast-language:EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="FR">De :</span></b><span lang="FR"> Nicholas Caton [mailto:Nicholas.Caton@schneider-electric.com]
<br>
<b>Envoyé :</b> 28 mars 2017 09:29<br>
<b>À :</b> Lapierre, Patrick <plapierre@bpa.ca><br>
<b>Cc :</b> 'equest-users' <equest-users@lists.onebuilding.org><br>
<b>Objet :</b> RE: Subhour demand metering<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">Looks like eQUEST will, with specific airside system types (not all: SZRH, VAVS, RHFS, HP, CBVAV, PSZ, PVAVS, PTAC, and PVVT) and for electric meters only, determine the coincident sub-hourly peak draw for those systems’
central/zonal components (compressor/fans/reheat/baseboards/etc), and layer that on top of the remaining hourly consumptions determined elsewhere in the model (plant loads, lighting, etc). This “modified” peak which isn’t quite the results of a sub-hourly
timestep throughout the model is reported as “billing demand” and as a result can report higher than “metered demand.”
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Electric rates default to a 15 minute interval, but you can adjust that up/down.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For non-electric utilities, you can set up a daily interval for a peak-day rate structure by entering a number >60 for the interval.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Further reading at:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Volume 3: Topics > Central Plant Components > ELEC-METER SUB-HOUR Demand Intervals<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Volume 2: Dictionary > Economic Components > UTILITY-RATE > Energy and Demand Charges > DEMAND-INTERVAL<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Volume 2: Dictionary > Economic Components > UTILITY-RATE > Energy and Demand Charges > DEMAND-WINDOW<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">Special Highlight: See markups for report ES-E in Help
</span><span lang="EN-US" style="font-family:Wingdings">à</span><span lang="EN-US"> Tutorials and Reference
</span><span lang="EN-US" style="font-family:Wingdings">à</span><span lang="EN-US"> Detailed Simulation Reports Summary<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#3A7A46">Nick Caton, P.E., BEMP</span></b><span lang="EN-US" style="color:#3A7A46"><o:p></o:p></span></p>
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</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469"> Schneider Electric</span><span style="color:#1F497D"><o:p></o:p></span></p>
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</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#57B069">E </span><span style="color:#1F497D"><a href="mailto:nicholas.caton@schneider-electric.com"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#626469">nicholas.caton@schneider-electric.com</span></a><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Equest-users [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Lapierre, Patrick via Equest-users<br>
<b>Sent:</b> Monday, March 27, 2017 1:55 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] Subhour demand metering<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal">Hello everyone,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I’ve got a project on my hand in which the electrical demand reported in the PS-E report doesn’t match the billing demand in the ES-E report.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’ve found that this was due to the “demand interval” of 15 mins on the utility meter. Fixing the demand interval to 60 mins solved the matching demand problem between the PS-E and ES-E report.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’m just curious as how does eQUEST calculate subhour demand and determined that some electric heating power in my building didn’t last more than 15min.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I need a captain here. Anyone can enlighten me?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif;color:#3F3F3F">Patrick</span></b><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif"> <span style="color:#3F3F3F">Lapierre</span></span></b><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#7D7D7D">_ing.</span></b><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#A5A5A5"><a href="mailto:plapierre@bpa.ca" title="Envoyer un courriel/Send email"><span style="color:#A5A5A5">plapierre@bpa.ca</span></a> | <a href="http://www.bpa.ca" target="_blank" title="www.bpa.ca"><span style="color:#A5A5A5">www.bpa.ca</span></a> | t:
5143833747x2807<o:p></o:p></span></p>
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