DGN Distrigaz Sud was founded in 1998, as a subsidiary of S.N.G.N. Romgaz S.A., by Government Decision 491/1998. Distrigaz Sud became a standalone distribution & supply company in 2000, by Government Decision 334/2000, following an unbundling process into 5 entities of the vertically integrated power company Romgaz, following the implementation of the EU Competition Directive 96/92/EC.
Distrigaz Sud was privatised in 2005 (Privatisation Contract no. 6/18 October 2004), through the acquisition of a 51% stake by Gas de France (30% direct acquisition and 21% share capital increase), for a total of EUR 310 mn.
In June 2006, the 51% stake in Distrigaz Sud has been transferred to Romania Gas Holding.
According to Law no. 247/2005, the Ministry of Economy contributed a 12.00% stake in Distrigaz Sud to the capital of Fondul Proprietatea.
In observance of EU norms (Directive 55/2003/CE), the company has divided its distribution and supply activities, on 1 March 2008:
In 2009, the name of SC Distrigaz Sud SA was changed to GDF Suez Energy Romania SA, and in March 2016, following an international rebranding initiative, the company changed its name from GDF Suez Energy Romania to Engie Romania.