79/99[4] which within the context of the process for the deregulation of the Italian electricity sector, sanctioned the separation between ownership and management of the national transmission grid.

On 23 June 2004, following the Prime Minister's Decree issued on 11 May of the same year, Terna was put on sale with an IPO on Borsa Italiana.

In 2010 Terna joined Desertec,[5] a project aimed at producing and transmitting renewable energy in the Middle East and North Africa (MENA) to meet local needs and be assigned in part to the European interconnected grid.

The 2011 results were submitted by the CEO Flavio Cattaneo during the Terna Board of Administration meeting held to approve the Strategic Plan 2012–2016.

In 2012, Terna consolidated Revenues stood at 1,806 million euros, +10.4% compared to 2011, mainly due to the Grid Transmission Fee and to the results from Non Traditional Activities carried out by the Group.

In this framework, in order to guarantee the maximum safeguarding of said infrastructures and investments, it has signed memoranda of understanding, first of its kind and type with the Ministry of the Interior, Carabinieri and Guardia di Finanza.