A zero net energy building (ZNEB) is one that is optimally efficient, and over the course of a year, generates energy onsite, using clean renewable resources, in a quantity equal to or greater than the total amount of energy consumed onsite. Zero net energy buildings are already being designed and constructed in Massachusetts, particularly in the residential sector. In addition to saving energy and reducing greenhouse gas emissions, zero net energy buildings can provide significant cost savings for residents and businesses, and stimulate clean energy technology development and job growth in the Commonwealth.

Case Studies


North Shore Community College


Montague Urban Homestead: Exterior (unfinished)

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