The breakdown of consumption by sector was comparable to 2017. It should be noted that the slight decrease in consumption in heavy industryFinal customers getting electricity directly from the transmission system operator followed significant social movements in the rail transport sector and an incident at the site of an industrial customer in the metallurgy sector.
The residential segment was once again the largest consumer of electricity, accounting for about 35.7% of final consumption, followed by the business sector (26.6%), heavy industryFinal customers getting electricity directly from the transmission system operator (16.9%), SMEs/SMIFinal customers to which distribution system operators provide medium- and low-voltage power, with contracted power of 36 kVA or more (11%) and professionals (9.9%).