Smart lighting as basic building block of smart city: An energy performance comparative case study

•We investigated we can save optimizing delivery time and intensity of a street light.•Pre-defined regulation save a power consumption of 38%.•Traffic adaptive regulation save a power consumption of 60%. The aim of this work is to simulate and compare the energy savings potentially applicable to the consumption data of the Smart Street pilot system located at the ENEA Casaccia R.C. (Rome). The astronomical lighting system energy consumption (baseline) is compared to the simulation of a pre-defined regulation: it allows the lights dimming (and therefore a reduction of consumptions) based on a statistics averages of the traffic flow rate, differentiated according to the day of the week. Then the baseline consumption is compared to the simulation of an adaptive configuration based on the traffic flow rate.