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Do the required savings for this prerequisite (and credit) need to come only from building energy, or also process loads?

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NC-v4 EAp2:Minimum energy performance

District heating prices

Profile picture for user azra.semic
LEEDuser Basic Member
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Hello,
Does anyone know if we are able to deduct from energy prices (gas) if district heating is using only 50% of gas for heating and rest comes form renewable sources?
Thanks!

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Fri, 09/29/2023 - 13:29

Yes, if you are using Path 2 or 3 (full DES performance accounting or streamlined DES modeling) to model the DES. Refer to the LEED v4 Reference Guide under the Renewable Energy Production credit, Further Explanation, Project Type Variations, District Energy Systems (DES) for specific guidance.
Profile picture for user azra.semic
LEEDuser Basic Member
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Wed, 10/25/2023 - 12:06

Hi Tyler, this has been the most helpful, thank you!
So If we got this correctly, we choose Path 2 or Path 3 of Option 1 for the Project Type Variations - DES in the Prerequisite Minimum Energy Performance, then we calculate the offset of the renewable source as under the Renewable Energy Production credit, Further Explanation, Project Type Variations , and since that then counts as on-site produced renewables this we can apply in the Credit Optimize Energy Performance as described under Option 1 Further explanation -> Applying Renewable Energy Savings by incorporating the offset in the Simulation for the Prerequisite, which in turn makes more % = more points.
This is like a game of chess! :)
 

Wed, 10/25/2023 - 12:16

Yes, that is correct. You would be able to claim additional savings within EAp Minimum Energy Performance / EAc Optimize Energy Performance as well as earn points within EAc Renewable Energy Production. 
Profile picture for user azra.semic
LEEDuser Basic Member
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Wed, 10/25/2023 - 13:10

Amazing thank you so much! 

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