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Re: [EnergyPlus_Support] Summary reports problem - Demand end-use is 0 W, while energy end-use is not 0kWh

To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: Re: [EnergyPlus_Support] Summary reports problem - Demand end-use is 0 W, while energy end-use is not 0kWh
From: "Santiago Velez santiagogvelez@xxxxxxxxx [EnergyPlus_Support]" <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Date: Thu, 3 Jul 2014 15:43:57 -0300
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mmm not in this case. Exterior lighting power is 4250 W and is reported as 0W in summary report. The total annual amount of energy for Exterior lights isÂ 18673.79 kWh.Â

2014-07-03 14:20 GMT-03:00 Jim Dirkes jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx>:

Â

I think I have seen this when the kW value is less than 0.5. I think some rounding occurs in the report creation.Â Does that apply for your system?

Â
James V Dirkes II, PE, BEMP, LEED AP
www.buildingperformanceteam.com
Energy Analysis, Commissioning & Training Services
1631 Acacia Drive, Grand Rapids, MI 49504 USA
616 450 8653
Â
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx]
Sent: Thursday, July 03, 2014 1:01 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Summary reports problem - Demand end-use is 0 W, while energy end-use is not 0kWh

Â
Â
Dear group,Â
Has anyone encountered this problem before? The summary report shows 0 W Â in theÂ Demand End Use Components Summary table, while still having energy reported for that end-use not 0?

Â
This happened in different projects and for different end-useÂ categories, eg. this case Â Exterior lighting, or on another project cooling and heating.

Any thoughts on what might be the problem?
Â
Regards,

Santiago

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Posted by: Santiago Velez <santiagogvelez@xxxxxxxxx>

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References:
- [EnergyPlus_Support] Summary reports problem - Demand end-use is 0 W, while energy end-use is not 0kWh
  - From: Santiago Velez santiagogvelez@xxxxxxxxx [EnergyPlus_Support]
- RE: [EnergyPlus_Support] Summary reports problem - Demand end-use is 0 W, while energy end-use is not 0kWh
  - From: Jim Dirkes jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx [EnergyPlus_Support]

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