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We are purchasing green power through the local utility but it is not able to provide or sign a two-year contract because of restrictions applied to the utility. Can we still meet the credit requirements with our current purchased green power covering the

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EBOM-2009 EAc4:On-Site and Off-Site Renewable Energy

Certificates for hot district water?

Hello Everyone, We are preparing our Client to buy Green-e certified energy. We don't know if he has to buy also GOs or carbon offsets for district hot water that the building is supplied with. We have this source of energy in Energy Star Portfolio Manager. The building is supplied with hot water for the heating system. What is more the hot water supplier (French Veolia) buys each year great amount of renewable energy sources RES. So do we still have to buy certificates or carbon offsets if Veolia does? I'm confused. Hope for help. Izabela

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Trista Brown
Project Director
WSP USA
LEEDuser Basic Member
381 thumbs up

Tue, 08/29/2017 - 19:01

Hi Izabela, all energy use in Portfolio Manager needs to be accounted for under this credit. So you'll need to address the energy associated with the district hot water. GOs are an optional compliance path for European projects. Green-e RECs and Green-e carbon offsets are the standard compliance path, but if those aren't available, you can use GOs. See the Europe ACPs here (https://www.usgbc.org/resources/leed-ebom-2009-reference-guide-supplement-europe-acps) for additional information on complying using GOs instead of Green-e. For your last question - the amount of renewable energy purchased by the utility or supplied by the grid doesn't factor into the LEED credit or calculation. You'll need to cover energy used by the building regardless of what the utility does with its energy portfolio.

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