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FAQs about EAc5 :

Do we have to complete an ASHRAE Level 2 audit in order to identify energy end uses and achieve this credit?

Do manually read meters meet the credit requirements?

Do we need to separately meter our onsite renewable energy system? If so, do the meters need to meet the advanced metering requirements?

Do we have to meter plug loads separately? Based on our energy end-use breakdown, plug loads account for more than 20% of my building’s total annual energy consumption.

Are tenant spaces considered to be an “energy end use”? In other words, can we achieve this credit by metering tenant energy consumption?

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EBOM-v4 EAc5:Advanced energy metering

Energy Submetering

I am working on EB Project in LEED V4. In V4 the advance sub-metering is required 1. Chilled water System: Chiller and Chilled water pumps 2. Condenser Water Pumps: Cooling tower, Condenser water pumps 3. Air Handling unit- Supply fans, return fan, damper motor i just want to know that each air handling unit have separate electrical meter or one meter for all Air handling unit. also, want to know that if HVAC Have a single meter having AHU, PUMP, Cooling tower and Chiller then can i eligible to take this credit.

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Ben Stanley
Senior Sustainability Manager
WSP - Built Ecology
LEEDuser Expert
188 thumbs up

Wed, 10/05/2016 - 21:28

Hi Vishesh, To be clear, do each of the systems that you list above constitute more than 20% of the building annual energy use after removing plug load consumption? If so, then you will need to meter those systems. With respect to the AHU, it would be acceptable to install a single meter to monitor energy use for all of the AHUs. However, it would not be a compliant strategy to apply a single meter for the AHUs, pumps, chiller, and cooling tower. The credit wants teams to have separate metering for different systems so that the building team can zero in on issues with a specific system or opportunities to improve efficiency/performance.

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