Brazil confirmed a new transmission auction for October 30th, which includes the construction of 1,866 kilometers of new power lines , as well as substations and other assets associated with the expansion of the network.
The National Electric Energy Agency (ANEEL) approved the terms of the Transmission Tender No. 4/2026 on September 22, while the formal notice will be published on September 24.
The process will take place at B3's headquarters in São Paulo , and will offer eight lots distributed across seven states .
The total estimated investment reaches R$ 8900 million .
In addition to the new lines, the auction includes the continuation of 483 kilometers of existing lines , as well as 12,694 MVA of transformation capacity , another 600 MVA in continuity and four synchronous compensators.
The projects will be distributed between Bahía, Goiás, Mato Grosso do Sul, Paraíba, Paraná, Rondônia and São Paulo .
The largest-scale lot will be Lot 4 , with estimated investments of R$ 4.1 billion and planned works in Goiás, Paraná and Mato Grosso do Sul.
This block will be divided into two sublots that will be auctioned separately and then can be combined to find a more efficient economic solution for the whole.
The execution periods will vary between 42 and 60 months from the signing of the concession contracts.
More than 20,000 jobs expected
According to ANEEL estimates, the execution of the projects could generate 20,312 direct jobs .
Before its final approval, the document went through Public Consultation No. 006/2026 , which took place between April 9 and May 25.
During that process , 258 contributions were received from 33 participants , of which 94 were fully incorporated.
The notice was also submitted for review by the European Court of Auditors , as part of the usual procedure for this type of tender.
With the date now confirmed, Brazil is preparing a new round of expansion of its transport network, with 1,866 kilometers of new lines and almost R$ 9 billion of investment planned to strengthen the country's electrical infrastructure .
Lot 1 - Existing Afluente-T facilities and new facilities to serve the southern and south-central regions of Bahia.
Lot 2 - LT Rio das Éguas – Iaciara 2 and SE Iaciara 2
Lot 3 - Santana Substation and sectioning to 500 kV and 345 kV
Lot 4 - 500 kV system in Rio Brilhante, Sarandí, Rio Verde Norte and Chapadão
Lot 5 - Curitiba Oeste System, Barigui 2 and Uberaba
Lot 6 - Iguaçu Substation and sectioning to 525 kV and 230 kV
Lot 7 - Coremas II and Cajazeiras II System