The Ministry of Mines and Energy, based on the set of projects indicated by the consolidation of works held by EPE and ONS, defines the new transmission facilities that will be auctioned or authorized by ANEEL.

Responsible for the bidding process for new transmission enterprises, ANEEL shall prepare the documentation that comprises the bidding document, which includes the "Technical Annex". This annex is of great importance to the Operator, because it defines the technical features of the new facilities of the Basic Grid, whose operation is under ONS responsibility. Thus, the regulation in force provides that ONS defines technical requirements for new plants, aiming at the adequacy of the existing network and ensuring its systemic performance.

Still in the process of integration of new works to the BIPS, ONS is also responsible for verifying the compliance of the basic project of new facilities auctioned or authorized with the Grid Procedures and Technical Annexes of the respective documents.

These assignments correspond to two ONS processes provided in submodule 2.2 of the Grid Procedures:

• Definition of minimum performance requirements for the new transmission facilities, which, from the perspective of system operation, should be included in the technical instruments of grant of the new facilities;
• Ensuring that new transmission facilities meet the minimum technical requirements set out in the technical instrument of grant (technical annex) and in the Grid Procedures.

These processes are of great importance for the integration of new facilities to the BIPS and in 2011 corresponded to propositions of technical requirements for 25 lots of auctioned enterprises, as well as a total of 42 compliance analysis of new transmission facilities basic projects.