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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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EBOM-2009 EAp2:Minimum Energy Efficiency Performance

Increased energy consumption by a single tenant

Hi all! How to correctly input energy data (to ES Portfolio Manager) for an office building where a tenant (bank) has it's own chiller, consumes almost one third of the total building energy consumption and it's square footage is only 4 % of the total building area. Because of this the building's score is very low and it is not even able to reach the necessary threshold for successful certification. Thank you for any suggestions!

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

Thu, 08/09/2012 - 15:06

From the description of the tenant-owned chiller, it might be possible that the Portfolio Manager account isn't correctly accounting for a data center facility within the building? These cases can be a challenge, however all energy usage in the building should be included. An energy audit might help your client determine where the energy use is going, and how this impacts the ENERGY STAR entry.

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