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FAQs about EAc1 :

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?

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?

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EBOM-2009 EAc1:Optimize Energy Performance

On Site Solar Power

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Julia Weatherby
President
Weatherby Design & Co. Engineers
LEEDuser Basic Member
67 thumbs up

Energy Star Portfolio Manager requires that power produced and used on site be included when submitting for an Energy Star rating. (This may be a new requirement as of sometime in 2011; I'm not certain.) But the FAQ section on the Energy Star site says that on site solar power gets a source multiplier of 1.0, which makes it better than utility power at around 3.3 or thereabouts if I recall. My question is that EA Credit 1 says on site wind and solar are not included in the energy calculations for the credit. Does that mean I should leave out the solar power meter when entering data in Energy Star Portfolio Manager? Or has LEED updated the credit requirements to correspond with the fact that solar and wind are included in Energy Star ratings now, albeit it with a favorable source multiplier? Thank you.

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Thu, 02/23/2012 - 18:57

My understanding is that Energy Star made the update that requires inclusion of onsite solar after the LEED citation you mentioned was issued. Generally, LEED adheres closely/identically to the rules put forth by Energy Star when it comes to benchmarking, and I believe you should follow the up-to-date guidelines from Energy Star for this matter.

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