Enarsa Enarsa ENARSA, in full Energía Argentina Sociedad Anónima, is a state owned company in Argentina. It is engaged in for the exploitation of petroleum and natural gas, and the production, industrialization, transport and trade of these and of electricity. Enarsa was founded on December 29, 2004, by an initiative of President Néstor Kirchner. The initiative had the political goal of reinserting the state in an oligopolic market that was completely privatized during the Menem administration in the 1990s; these privatizations included the state oil firm YPF to the Spanish corporation Repsol, as well as its sister company, "Gas del Estado",
Repsol of the massive Vaca Muerta shale-gas field. The board of the Repsol firm unanimously rejected this offer, as it would have caused them to drop a $10.5 billion lawsuit that was in progress against the Argentine government. Repsol at the time owned 6.4% of the YPF oil-and-gas company. On 25 February 2014 the Repsol board announced it had accepted a settlement offer from the Argentine government of an issue of Argentine bonds valued at $5 billion. The deal concluded after 3 months of negotiations in Buenos Aires was subject to shareholder approval. The agreement ended two years of legal wrangling