Expansions and Reinforcements

In 2015, the BIPS’s Transmission Installation’s2016-2018 Expansions and Reinforcements Plan (PAR) was issued incorporating the works in the MainGrid, and in TransmissionSubstations where Distributors are connected as well as the works of Other Transmission Installations (DIT). The unification of documents aimed at facilitating the works of the consolidation process carried out by MME,as well as the authorization onesmade by ANEEL.

As in previous years, the studies that originate the PAR are carried out by Special Groups, with the participation of all agents and of the Energy Research Company (EPE). Later, the PAR is sent to MME to be made compatible with the Transmission Expansion Program (PET) prepared by EPE. After it is made compatible, the proposed expansions and reinforcements in the MainGrid and in the DIT are consolidated in a specific document submitted to ANEEL so that thetransmission installation’s concession granting processes or permit are started.

For the implementation of 381 projects proposed in the PAR for the 2016-2018period, an investment of R$ 27 billionis estimated, based on the costs of the works provided by ANEEL. The expansions and reinforcements, in this period, correspond to additions of transmission lines in the range of 18,453 km and 57,612 MVA of transformation capacity, shown in Table 6 below. These values, when compared to 2014, represent an increase of about 15.9% in transmission linesadditions (148 new lines) and 19% inthe rated power installed in transformers (231 new equipment) of the Main Grid and TransmissionSubstations where Distributors are connected, regarding the existing and already grantednetwork.

Table6 – Additions in the 2016-2018 PAR’s Transmission Lines and Transformers

Table 7 summarizes the proposed works this period of the PAR.

Table 7 – Summary of the proposed works in the2016-2018PAR

In this period, ONS introduced a major improvement in the methodology applied to the PAR, in order to increase the level of reliability of someinstallations that, due to their systemic behavior, play an important role in BIPS. This installationsinclude the large transmission trunks, which interconnect the regions and enable the exchange of large blocks of energy, and a better use of the country’senergy resources.