By Brazil Stock Guide – Brazil’s electricity regulator Aneel approved on Tuesday the terms of its next transmission auction, to be held Oct. 31 at the B3 exchange in São Paulo. The sale will offer 11 concession lots with total investments of $1.5 billion (BRL 7.89 billion) to expand the backbone of the National Interconnected System (SIN).
The projects cover 1,178 kilometers (732 miles) of transmission lines and 51 facilities across 12 states: Goiás, Maranhão, Mato Grosso, Minas Gerais, Paraíba, Paraná, Pernambuco, Piauí, Rio Grande do Norte, Rondônia, Rio Grande do Sul and São Paulo.
“The transmission segment remains a magnet for private investment in Brazil,” said Sandoval Feitosa, Aneel’s director-general. The auction highlights Brazil’s drive to expand electricity infrastructure as demand rises and renewable sources gain ground. With long-term contracts and regulated revenue, transmission assets remain highly contested even as thinner margins emerge in recent tenders.
Contract signing is set for Feb. 23, 2026. Winning bidders must meet strict deadlines for construction and service quality, paving the way for fresh capital inflows early next year.
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