Energy Auction Held by Aneel and CCEE Attracts Investment of R$ 7 Billion to 29 Clean Energy Projects

Auction Held on Friday (27) Contracted 29 Renewable Energy Plants and Attracted Investments from Three Different Companies

Last Friday (the 27th), an auction for the purchase of A-4 energy was held by the National Electric Energy Agency (Aneel) and the Electric Energy Trading Chamber (CCEE). To meet the demand from regulated market distributors, the auction contracted 947.9 average megawatts (MW) from 29 plants, all producing energy from renewable sources.

The projects will total 948 MW to the National Interconnected System (SIN). Additionally, compared to the initial value, the projects experienced an average discount of 9.36%.

The auction, promoted by Aneel and CCEE, lasted just over an hour and had participation from only three distributors: Cemig (Minas Gerais), Coelba (Bahia), and Light (Rio de Janeiro).

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Investments Were Directed to Five Solar Energy Projects and Four Wind Energy Projects, Competing Simultaneously for the First Time

The companies involved directed their investments to eighteen small hydropower plants, five solar photovoltaic generation plants, four wind farms, and two biomass thermal plants. In total, the investments are expected to reach R$ 7 billion.

This was the first auction where solar and wind energy sources competed directly and simultaneously.
According to Paulo César Domingues – Secretary of Planning and Strategic Development at the Ministry of Mines and Energy – although the discount was lower compared to the standard found in previously held auctions, the final result was positive due to the international situation.

Paulo César Domingues Believes the Auction Result Demonstrates a Balanced Distribution Between Solar and Wind Energy Sources

Domingues also stated that it was already an intention to enable competition between wind and solar sources, and there was a noticeable alignment of prices between the two, indicating a balanced distribution. According to him, the war in Ukraine has greatly increased the demand for these two sources, and all countries have been contracting significantly, thus a lower discount was expected.

Furthermore, Erik Eduardo Rego – Director of Electric Energy Studies at the Energy Research Company (EPE) – explained that the discount, although smaller, does not hinder the process. For him, this is not a cause for concern, since the price only becomes a concern if it is a barrier, which is not the case. Rego also assessed that he does not focus on the discount, as the final result, which would not be different, is what truly matters.

According to projections from Aneel, the discount achieved in the auction will generate savings of about R$ 1 billion and prevent a tariff increase of around 0.5 percentage points.

The investments will be distributed among seven states: Minas Gerais, Mato Grosso, Mato Grosso do Sul, Paraná, Rio Grande do Sul, Santa Catarina, and Tocantins.

The 29 Contracted Projects Are Expected to Begin Supply on January 1, 2026

The projects receiving these investments must start supplying energy on January 1, 2026.

Finally, Paulo Cesar Rodrigues stated in a press conference after the final result of the auction that the experience served as a test and is likely to be repeated in other auctions. “It was an interesting test to evaluate whether we will maintain this approach for future auctions,” he said.