Real electricity tariffs have monthly service charges, demand charges, ratchets etc. And sometimes you don’t know even know which tariff qualifies until all the results are in for the year. It is not possible to treat them as a continuous time series result and be accurate.
What you can do is derive an effective energy charge per J to model a cost signal, but it isn’t a real tariff. EMS can do this pretty easily.
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of ntraughpee
Sent: Thursday, October 11, 2012 10:18 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: Cost in Output:Meter or Output:Variable
Yeah that is kind of what I was thinking about. I do a lot of controls work and one of my goals is to try to get more familiar with ERL.
It seems ridiculous to me that you can report greenhouse gas emissions but not cost.
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Jim Dirkes <jim@...> wrote:
>
> Not that I've done anything substantial in EMS, but I recall that you can create custom variables and can also report them. Perhaps a custom variable could be created which mimics the cost by using the proper tariffs...
>
> James V Dirkes II, PE, BEMP, LEED AP
> www.buildingperformanceteam.com<http://www.buildingperformanceteam.com/>
> Energy Analysis, Commissioning & Training Services
> 1631 Acacia Drive, Grand Rapids, MI 49504 USA
> 616 450 8653
>
> From: EnergyPlus_Supp
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