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FAQs about EAc1 :

I have a mixed-use building and am wondering if it is possible to pursue the prerequisite through Case 1. How do we proceed?

We have a building that consists of two attached structures and it’s unclear if we have to consider it a single building or if it should be certified as two separate buildings and benchmarked accordingly. How should we proceed?

How long is an Energy Star label valid to use with a streamlined approach for Case 1?

Our building includes heavy process loads that significantly increase the overall energy use in the building. If we submeter these loads, can we exclude this energy use for benchmarking purposes?

We have installed submeters on our building but the utility bill includes energy use from several other buildings located on the same campus. How do we reconcile this during the LEED review process?

When is it possible to exclude up to 10% of the building from EAp2?

What do I do if the number of building occupants, operating hours, or vacant space changes during the performance period?

If you pursue the streamlined path for an Energy Star label, should the performance period for EAc6 match the 12-month time frame of the label?

How do I account for computers with multiple monitors on Portfolio Manager?

How should I treat vacant space on Portfolio Manager?

Our building includes a large laboratory space. Can our project benchmark under the Labs21 program?

We have an international project and the space type is eligible for an Energy Star rating. Can we pursue Case 1 to demonstrate compliance given the recently released alternative compliance paths for international projects?

We have a number of buildings on a single campus that we would like to certify at the same time. Is it possible to benchmark the buildings at the campus level?

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Forum discussion

EBOM-2009 EAc1:Optimize Energy Performance

Case2 Option 1- Labs

The project is an innovation center, it has offices (63%), laboratory (28%) and data center (8%), the lab represents more than 10% of the area, we have to use the USGBC Calculator Case 2 Option 1- Labs, where we need to introduce the Source EUI from Portfolio Manager and the Peer Facility Average from Labs21. Our question is: do we have to introduce the Lab data into Portfolio Manager, including energy consumption? or just this Lab data into Labs21 Benchmark? Because our concern is that we will duplicate the energy consumption introducing the same data in both benchmarks (Portfolio Manager and Labs21)

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David Eldridge
Energy Efficiency Ninja
Grumman/Butkus Associates
LEEDuser Premium Member
64 thumbs up

Tue, 09/08/2015 - 12:29

I think you are asking that submission of data to to two databases might duplicate your facility? For ENERGY STAR portfolio manager users of the system do not have their data entered into the baseline case for their building type. A random and quality-controlled database is used (such as CBECS). Likewise for I2SL, although recognized by USGBC as a source for benchmarking of laboratories, these are not imported to ENERGY STAR unless the facility also participated as a CBECS submitter. You are safe to use both tools as needed.

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