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NC-v4 EAp2:Minimum energy performance

Treatment of District or Campus Thermal Energy in LEED v4

Can the document "Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009 – Design & Construction" be used also for LEED v.4? Any news about an updated version of that document? Best Regards

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Tue, 03/07/2017 - 14:03

The v4 version of this document is now embedded in the LEED v4 Reference Guide.

Tue, 03/07/2017 - 15:49

Thank you. It seems that there is no more the points cap for the simplified option that there was in the document "Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009 – Design & Construction" (10 points for Table 1). Correct?
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Jim Quillin
Mechanical Engineer
Henderson Engineers
LEEDuser Basic Member
0 thumbs up

Mon, 03/20/2017 - 21:28

I am also interested in this topic and its answer.
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Tue, 03/21/2017 - 14:22

Correct. The point cap and floor are not longer part of the DES guidance.

Fri, 04/14/2017 - 09:05

Thanks. What does the following sentence mean exactly? "If tariffs or rates are not available from the district plant serving the project, such as for campus or military plants, calculate the rates based on the virtual electric and fossil fuel rates from the model." I mean, which method or equation shall be used to calculate the tariff rates?
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Fri, 04/14/2017 - 13:19

You enter the rates for electric and gas in the area in the model. The virtual rate is the rate generated by the model in $/units of energy by fuel source. If you use a flat rate it will be identical to the virtual rate. If using a more complicated rate the virtual rate will be the outcome in the model.

Sat, 04/15/2017 - 10:19

Thanks. I got how the virtual rates are calculated from the modeled rates. As for the modeled rates, does "enter the rates for electric and gas in the area in the model" mean that I have to investigate the tariffs in the town where the building is located? Best Regards
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Mon, 04/17/2017 - 14:24

That is the most accurate way to determine the rate for the project. We almost always enter the tariff in our models. Alternatively there are flat rates you are allowed to use. It could be from some published national or regional average cost. It could be derived from a similar local facility on the same rates. Depending on the project maybe the owner has other buildings you can get data for and determine the flat rate they pay.

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