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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Chris,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>FASER and Metrix also calculated degree days in the actual billing periods.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I would be inclined to match the simulation to the billing periods. Assuming you are using a DOE-2 based tool, I do not know how to change the dates reported in the PS-E reports. However you could create 12 periods in the electrical and fuel rates based on the billing dates. Then the ES-E and ES-F would report the energy as well as cost split by billing period.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Cheers,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>BF<o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Bldg-sim [mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Joe Huang<br><b>Sent:</b> June-22-15 10:18 PM<br><b>To:</b> bldg-sim@lists.onebuilding.org<br><b>Subject:</b> Re: [Bldg-sim] Energy model calibration - normalizing the utility bills to month start-end<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Maybe I'm missing something here, but why can't you just count up the degree days for the utility period?<br>I hope you're not working with average or "typical year" degree days, but the degree days from the same time period.<br><br>I also recall that the old Princeton Scorekeeping Method (PRISM) back in the 1980's allows the user to enter the degree days for that time period, so it's not a new problem.<br><br>Joe<br><br><br><o:p></o:p></p><pre>Joe Huang<o:p></o:p></pre><pre>White Box Technologies, Inc.<o:p></o:p></pre><pre>346 Rheem Blvd., Suite 205A<o:p></o:p></pre><pre>Moraga CA 94556<o:p></o:p></pre><pre><a href="mailto:yjhuang@whiteboxtechnologies.com">yjhuang@whiteboxtechnologies.com</a><o:p></o:p></pre><pre><a href="http://weather.whiteboxtechnologies.com">http://weather.whiteboxtechnologies.com</a> for simulation-ready weather data<o:p></o:p></pre><pre>(o) (925)388-0265<o:p></o:p></pre><pre>(c) (510)928-2683<o:p></o:p></pre><pre>"building energy simulations at your fingertips"<o:p></o:p></pre><div><p class=MsoNormal>On 6/22/2015 6:09 AM, Jones, Christopher wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='font-size:11.0pt'>When calibrating an energy model to utility bills the utility bills often don’t align with the month start and end. I have reviewed a couple methods to calendar normalize the utility bills but find them somewhat unsatisfactory.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>For example the method I am looking at does the following:</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>The April gas bill runs from March 25 – April 24. The algorithm takes the average number of m3 per day from that bill, applies it to the days in April. Then it takes the average number of days from the May bill which runs from April 24 – May 25 and applies that average to the remaining days in April. </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>The issue is that the March-April period has much higher HDD than the April-May period and the “normalized” gas usage is significantly lower than the simulation data for April.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'>I am wondering if there are any papers or other sources of information as to how others approach this problem.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img border=0 width=108 height=43 id="Picture_x0020_2" src="cid:image001.png@01D0AD3B.DD67FDC0" alt="cid:image003.png@01D09C46.E75BA0D0"></span><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1C467A'>Christopher Jones,</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>P.Eng.<i> <br></i>Senior Engineer</span><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span></b><o:p></o:p></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>WSP Canada Inc.</span></b><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>2300 Yonge Street, Suite 2300</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Toronto, ON M4P 1E4</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#595959'><br></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>T +1 416-644-4226</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>F +1 416-487-9766</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>C +1 416-697-0065</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><a href="http://www.wspgroup.com/">www.wspgroup.com</a> </span><o:p></o:p></p></div><p class=MsoNormal><span style='font-size:11.0pt'> </span><o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><div><p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:gray'><br>You are receiving this communication because you are listed as a current WSP contact. 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If you have received this communication in error, please notify the sender, and destroy and delete any copies you may have received. <br><br>WSP provides professional land surveying services through the following entities: WSP Surveys (AB) Limited Partnership and WSP Surveys (BC) Limited Partnership <o:p></o:p></span></p></div><p class=MsoNormal><br><br><br><o:p></o:p></p><pre>_______________________________________________<o:p></o:p></pre><pre>Bldg-sim mailing list<o:p></o:p></pre><pre><a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a><o:p></o:p></pre><pre>To unsubscribe from this mailing list send a blank message to <a href="mailto:BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG">BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></pre></blockquote><p class=MsoNormal><o:p> </o:p></p></div></body></html>