THE Eletrobras announced this Wednesday (15) that sold all its stake in Eletronuclear to the company Âmbar Energiafrom the J&F Group, from the brothers Joesley and Wesley Batista.
According to the relevant fact (announcement aimed at investors) from Eletrobras, Âmbar will pay R$535 million for the equity stake.
In addition to the value, the purchasing company committed to assuming the guarantees provided by Eletrobras in favor of Eletronuclear and the payment of the debentures (debt securities) agreed with the Union, in the amount of R$2.4 billion.
Âmbar will now hold 68% of the total capital (shares) and 35.3% of the voting capital of Eletronuclear. The deal is subject to regulatory approval.
Nuclear power plants
Controlled by the government through the state-owned Empresa Brasileira de Participações em Energia Nuclear e Binacional (ENBPar), the Eletronuclear operates the Angra dos Reis Nuclear Complexon the south coast of Rio de Janeiro. The government holds 64.7% of the voting capital and 32% of the total capital.
Eletronuclear operates the Angra 1 plants, with an installed capacity of 640 megawatts (MW), Angra 2, with 1,350 MW, and the Angra 3 project under development, with 1,405 MW.
Combined, the three units can generate up to 3,400 MW, enough to supply more than 10 million people.
Construction of Angra 3 has been halted for four decades, and the government is debating whether to complete the construction.
>> With construction at a standstill, Angra 3 invests in equipment conservation
Buyer
Âmbar Energia is one of the business units of the J&F Group, which owns companies such as JBS, the largest producer of protein-based foods in the world, the digital payment system PicPay and cellulose manufacturers Eldorado Brasil.
Âmbar operates in the generation, distribution and sale of energy and has 39 plants, with a portfolio of solar energy, hydroelectric plants, biodiesel, biomass, biogas, natural gas, among others.
When justifying the investment in Eletronuclear, the company’s president, Marcelo Zanatta, explains that nuclear energy combines stability, predictability and low emissions of greenhouse gases, which cause global warming.
“Fundamental characteristics at a time of decarbonization and growing demand for electricity driven by artificial intelligence and the digitalization of the economy”, he says.
Zanatta highlights that the plants in Angra have a stable flow of revenue. Eletronuclear recorded net revenue of R$4.7 billion and net profit of R$545 million in 2024.
“With this acquisition, we consolidate the most diversified portfolio in the Brazilian electricity sector, combining different sources to guarantee energy security, sustainability and competitiveness”, assesses the president in a press release.
Eletrobras
Eletrobras is the largest electricity generation company in Brazil, with a generating capacity equivalent to 22% of the country’s total installed capacity. The company was privatized in 2022, during the government of then president Jair Bolsonaro (2019-2022).
Since 2023, Eletrobras has been negotiating the sale of its stake in Eletronuclear, advised by the bank BTG Pactual. The company reported that, according to the balance sheet for the second quarter of 2025, the value of investment in the operator of the nuclear complex totaled R$7.8 billion.
“The transaction represents an important milestone for Eletrobras and reinforces the commitment made to its shareholders and the market, to optimize its portfolio and capital allocation, with a focus on generating value and simplifying its structure as foreseen in its Strategic Plan”, states the statement.
