By Brasil Stock Guide – Brazil’s Mines and Energy Minister Alexandre Silveira said on Friday (28) that the government will hold two large power-transmission auctions in 2026, aiming to attract more than R$25 billion ($5 billion) in new investments. The announcement was originally released by the Ministry of Mines and Energy (MME).
Silveira highlighted that the plan is part of a long-term effort to increase the country’s capacity to deliver renewable energy nationwide and ensure the resilience of the national grid. He emphasized that Brazil has now achieved full integration into the National Interconnected System (SIN), calling it a crucial milestone for energy security.
“This represents full energy security. But we’re not stopping here. I’m announcing two major transmission auctions for 2026. They total more than 25 billion reais in expected investments. We will hold one auction each semester, bringing more resources and more stability to the system,” Silveira said.
The first auction, scheduled for March 2026, is in its final consultation phase at the national power regulator Aneel. It includes R$5.7 billion in investments and 888 km of new transmission lines across 12 states. A second auction, expected in the second half of the year, will involve more than R$20 billion and over 3,500 km of additional lines, with details pending from the Energy Research Company (EPE).
Silveira made the remarks during a ceremony announcing new investments from State Grid Corp. of China, which operates in Brazil through State Grid Brazil Holding. The event marked the signing of the sale and purchase agreement for Mantiqueira Energia between State Grid and Brookfield (BN:CN). Mantiqueira Energia manages 13 transmission lines totaling more than 1,300 km across 54 municipalities in Minas Gerais.
Since entering the Brazilian market in 2010, State Grid has invested over R$28 billion in the country’s transmission infrastructure. Silveira said the continued inflow of foreign capital reflects a renewed sense of international confidence in Brazil’s energy sector. “This is proof that Brazil is once again fertile and safe ground for international ventures. These investments show that the lights won’t go out and that the economy will keep running at full speed,” he said.
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