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We are proposing to metering a new building with a single controller. The controller has the capability to monitor each individual end use (lighting, plug loads, HVAC, water, gas, etc.). Can we meter everything on a distribution board except one specific

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NC-v4 EAc3:Advanced energy metering

Building's equipment still uncertain

Hi Marcus, We are working on a building which will have the following uses: offices, laboratory (pharmaceutical), showers and changing facilities, canteen and a smaller bar. This building will be located within the premisses of a pharmaceutical industry area and the showers/changing facilities and canteen will be used by 500 employees, in shifts. For this credit, we still are not really certain of the equipment which is going to be installed, so it is difficult to assess if some will exceed 10% of all energy end uses. Considering this, we are thinking in adopting the following strategy: - have one meter in the showers/changing facilities that joins all energy uses (DHW, lighting, equipment), - other in the canteen (including equipment, lighting, DHW), - others for each floor plane that monitors the electricity use for lighing and equipment and maybe - one for the centralized HVAC equipment. With this strategy, do you think we are able to gain this credit? We have discussed other strategies with the design team but we think that this is the most efficient and feasible one. Thank you

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

Wed, 04/12/2017 - 13:35

You are required to sub-meter the entire building by energy end use. Combining end uses on a single sub-meter makes this considerably more difficult. So don't think of our building by areas, think of it by energy end uses. This will change the way the electrical panels are installed so that you can isolate all the lighting, plug loads, etc. In your case you will probably need to to sub-meter lighting, plug loads, fans, service hot water, heating (depending on climate), cooling, and maybe laboratory process loads. So I do not think your strategies will meet the criteria for this credit.

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