[BLDG-SIM] Weather Normalization Question

[Steve Gates]

In the UTILITY-RATE command, you can specify the BILLING-DAYS to account for
billing periods that don't end on the last day of the month.  Using
BILLING-DAYS, you shouldn't normally have to prorate energy to a billing
period using Excel.  However, the algorithm cannot handle two billing days
in the same month, such as a meter read on March 2 and again on March 30.

----- Original Message -----
From: "Michael Wilson" <mwilsonbc at yahoo.com>
To: <BLDG-SIM at GARD.COM>
Sent: Monday, March 10, 2003 3:38 PM
Subject: [BLDG-SIM] Weather Normalization Question


> Hi, I've done a few calibrations to bills, and that's
> how I've done it. I order up a years worth of weather
> data for the most recent year and convert it to Doe2
> format. But you also need to adjust your bills in
> Excel if they don't end on the 31st of the month. This
> can cause some problems if they're off by quite a bit,
> ie. end on the 15th.
>
> Also I find you need to be careful with calibrations,
> as real buildings often have interesting and unique
> operating strategies not modelled well by Doe2. Check
> carefully how the building controls are working.
>
>
> --- Andrew Holden <andrew at heliosltd.com> wrote:
> > Hi bldg-sims:
> >
> > After using DOE modeling tools intermittently now
> > for many years I am now using eQuest and one of its
> > cousins in earnest.  After reading the manuals a
> > couple of things still are not totally evident.
> >
> > I would like to synchronize the eQuest modeled
> > behavior to the actual utility bills for a given
> > calendar year (so I know I modeled it properly),
> > then apply the 30 year average data to tell me how
> > the building should perform going forwards in a
> > baseline mode and after EEMs are applied.
> >
> > Am I correct that the only way to do that is to take
> > real weather data from say 2002, use some of the
> > weather utility applications to create a suitable
> > packed format for the DOE-2 engine, run that, make
> > sure it is calibrated properly, then switch the
> > weather data to 30-year data and re-run it.
> >
> > Do most of you seasoned modelers keep two sets of
> > all your weather data laying around, DOE-2 packed
> > actual yearly data plus the 30 year formats?  Or
> > isn't it worth it?
> >
> > Also, can I input actual bill histories into eQuest
> > to compare modeled versus actual bills?
> >
> > Any suggestions would greatly be appreciated.
> >
> > Thanks,
> >
> > Andrew Holden, CEM, LEED
> > Helios Resources, Ltd.
> > 1883 Old Kimberton Road
> > Phoenixville, PA 19460
> > Tel: 610-917-9111
> > Fax: 610-917-1066
> > Cell: 484-437-3754
> > http://www.heliosltd.com
> > "Nothing astonishes men so much as common sense and
> > plain dealing." - Ralph Waldo Emerson, 1803-1882
> >
> >
> >
> >
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>
> =====
> Michael Wilson
> 455 Elphinstone Ave.
> Gibsons, BC, V0N 1V1
> 604-886-9864 phone
> 604-676-2604 fax
>
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