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FAQs about EAc2 :

Can I really double-count onsite renewable energy in both EAc2 and EAc1?

Our PV system is being installed after the building is occupied. Is that okay?

Our project will have a PV system onsite, but it will be installed, operated, and owned by a separate entity that is paying for the system through a premium price per kWh paid by the utility, per state regulations. Is there any way to count this toward th

A biofuel-based cogenerator is being used to produce both electricity and heat (CHP). Can I consider all the energy produced, or just the electricity?

Can a backup generator qualify, if it runs on biofuels?

We have a PV array installed on our campus, under the same ownership, but not on the building or within the LEED project boundary. Can we count that toward EAc2?

Because of how our onsite PV system was financed through the utility, the project is selling the RECs associated with its solar energy production, even though we own the PV array and its power. Is there any way we can earn EAc2?

Can I pursue this credit if I am using one of the prescriptive compliance paths for EAp2/EAc1?

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CS-2009 EAc2:On-site Renewable Energy

CHP biofuel certifications

Hi LEED-User, I would like to know which documents I need to provide to the USGBC for a block heat and power plant fueled with biogas? Thanks Best wishes from Hanover (germany)

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Profile picture for user sheffer
Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 12/12/2012 - 17:14

You will need to justify the fuel mix used to generate the biogas against the allowable renewables. You will also need to explain how it is generated on-site or is in alignment with the LEED Interpretations which allow for some off-site renewables.

Wed, 03/13/2013 - 08:57

Hello Marcus, do they know what the biogas criteria in locations outside the United States (Germany) must meet? Are there special requirements? Thanks Marcello
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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Wed, 03/13/2013 - 13:31

Marcello, the requirements are discussed in the LEED Reference Guide, as well as in the Bird's Eye View tab above.
Profile picture for user sheffer
Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 03/13/2013 - 13:32

International project must meet the same requirements as US based projects.

Fri, 03/15/2013 - 10:04

Hello together, we have a CHP station, that runs on biogas, this is on a campus, but NOT in the Project Boundary. Is this ok and if so where is it written. FYI: It is no campus certification. Thanks
Profile picture for user tristanroberts
Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Fri, 03/15/2013 - 13:11

Marcello see the guide to campuses, the district energy systems (DES) guidanace, and MPR3. Searching this site and USGBC's site should help you find what you need.

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