[Equest-users] Source VS site EUI

[Nicholas Caton]

To my best understanding, EnergyStar’s portfolio normally takes in your
site energy usage and uses the project’s regional location to come up with
source figures.  A building located in an area powered largely by
hydroelectric will report differently than one located somewhere powered
largely by coal plants, all else being equal.



The database which comes up with those regional factors is a bit opaque,
however, and the regional resolution have changed over time.



~Nick



*NICK CATON, P.E.*
*Owner*



*Caton Energy Consulting*
  1150 N. 192nd St., #4-202

  Shoreline, WA 98133
  office:  785.410.3317

www.catonenergy.com



*From:* Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] *On
Behalf Of *Farid Pour
*Sent:* Tuesday, January 06, 2015 10:05 AM
*To:* equest-users at lists.onebuilding.org
*Subject:* [Equest-users] Source VS site EUI



Hi,

Sorry  this question is not about eQUEST, but I thought you might be able
to help me. I am in process of calculating the carbon foot print of my
building. I have the values for electricity and fossil fuel EUIs.

I also have a report from energy star (
https://portfoliomanager.energystar.gov/pdf/reference/Emissions.pdf ) that
explain how to calculate the carbon footprint of the building. however, I
am not sure that I need to use source EUI in my calculation or site EUI.



Can you please explain?

Thanks,

Fred
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