Street lighting luminaires in the analysed area are mostly sodium luminaires of type OUs and SGS. 194 luminaires are installed in the analysed area, of which 100 % are sodium luminaires. The illumination network is part of the cable network supplying steel lighting columns and part of the overhead network powered by overhead lines both separated and shared with ENEA 0,4 kV networks. Road lighting in the inventory area is powered by lighting cabinets whose technical condition is good. The installed luminaires have a total power of 13.69 kW. As part of the necessary modernisation work, it is planned to rebuild the lighting network by replacing existing luminaires “point-by-point”. 216 luminaires will be subject to the modernisation of the analysed area: 150 will be replaced with “point for point” and 66 luminaires will be rebuilt together with the poles and the power supply network. These luminaires shall be led housings with the power of: 49 In the municipality on the day of application there are 629 luminaires (351 in Stepnica), of which 204 are led lamps with a unit capacity of 40 W. As a result of the modernisation project, 34.34 % of lighting points will be subjected to the whole system of street lighting located in the municipality (61.54 % of the system in the city of Stepnica). The planned modernisation includes 216 lamps in 7 circuits i.e. 100 % of the light points.