ZNE Lighting Design is Lighting Controls Design

While the adoption of LED technology has reduced energy densities, the greatest energy savings are to be found by turning off the lights when they’re not needed.  Therefore ZNE+ lighting design is first and foremost an exercise lighting controls design.  Above, Sankey diagram of the energy usage in the garage.   Most of the projected 278% surplus energy in the garage is due to energy savings via lighting controls.