This report from the eMerge Alliance describes how to enhance the energy-related performance of building automation systems with the addition of sensors and distributed controllers in a mesh network at the fringe of the system. These sensors include daylight, motion, temperature, air quality, etc. Local power sources or power harvesting from heat, motion, or light are recommended instead of batteries. Data from these sensors could be processed and displayed on an energy dashboard. Other applications include enterprise-level control and participation in smart-grid demand response programs.