This CABA document was funded by multiple private and public organizations and was prepared by the New Buildings Institute (NBI) from Zero Net Energy (ZNE) commercial buildings from December 2014 to September 2015. ZNE buildings have greatly reduced energy loads such that, over a year, 100 percent of the building's annual energy use can be met with onsite renewable energy. ZNE buildings are an emerging trend in response to energy efficiency and carbon reduction policies, as well as market interest in 'green and sustainable' environments. NBI's last decade of work in both building performance outcomes and ZNE buildings identified a gap of information concerning the control systems applied in these leading edge buildings. The outcomes of this collaborative research project help fill that gap and enable a better understanding for CABA, its members and the building and energy industry. The findings can help: manufacturers target improvements; design teams better integrate controls and work with contractors more effectively; and utilities identify program priorities leading to a next generation of buildings that can be on the path to zero.  

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