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Common definition of a zero energy building by the US Department Of Energy!
News
December 8, 2015

Common definition of a zero energy building by the US Department Of Energy!

In September 2015, the US Department Of Energy has issued an order what is a zero energy building (ZEB). An energy efficient building where, on a source energy basis, the annual delivered energy is less than or equal to the on-site renewable exported energy.

On-site renewable energy: Includes any renewable energy collected and generated within the site boundary that is used for building energy and the excess renewable energy could be exported outside the site boundary. The renewable energy certificates (RECs) associated with the renewable energy must be retained or retired by the building owner/lessee to be claimed as renewable energy.

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