Comparative Performance Analysis of Public Lighting Luminaires According to NBR 5101:2018 and 2024 Standards

Resumo

This study compares the performance of approximately 1,300 public lighting luminaires according to Brazilian standards NBR 5101:2018 and NBR 5101:2024. Using Dialux® software, over 37,500 simulations were conducted with IES photometric data from luminaires certified by INMETRO and listed by PROCEL. Five standard installation scenarios were modeled based on NBR 5101:2018 reference layouts. Results identify the most efficient luminaires for each case and outline the main changes in the 2024 standard, including correlated color temperature limits, stricter light pollution control, and reduced mounting angles. The findings indicate significant impacts on current projects and provide guidance for future public lighting implementations.