Between April and June 2013, the infrastructures of data required for the issue of TUST TUSDg by the Superintendents of Transmission Regulation and Distribution Regulation were respectively prepared. Still in 2013, infrastructure data to calculate TUST to cycles 2014-2015, 2015-2016 and 2016-2017 was prepared and made ​​available on the ONS website, for use by agents in their costs prospecting of new projects.

During the year 2013, about 3,500 entries were made by various agents and entrepreneurs to these information infrastructures.