Electricity DSO market share in Wallonia (Belgium) 2017
As of December 2017, the Walloon region had 12 DSOs. The majority of these were operated by ORES (ORES Brabant Wallon, ORES Est, ORES Hainaut, ORES Luxembourg, ORES Mouscron, ORES Namur, ORES Verviers) and RESA, alongside smaller operators: AIEG, AIESH, Gaselwest and Régie de Wavre. By contrast, only one electricity DSO was active in the Brussels Capital Region: Sibelgas.