Centrais Elétricas Brasileiras S.A. (commonly referred to as Electrobras, Portuguese pronunciation: [eˌlɛtɾoˈbɾas]) is a major Brazilian electric utilities company. The company's headquarters are located in Rio de Janeiro.

It is Latin America's biggest power utility company, tenth largest in the world, and is also the fourth largest clean energy company in the world.^{[citation needed]} Eletrobras holds stakes in a number of Brazilian electric companies, so that it generates about 40% and transmits 69% of Brazil's electric supply. The company's generating capacity is about 51,000 MW, mostly in hydroelectric plants. The Brazilian federal government owned 52% stake in Eletrobras until June 2022, the rest of the shares traded on B3. The stock is part of the Ibovespa index. It is also traded on the Nasdaq Stock Market and on the Madrid Stock Exchange.

Eletrobras was established in 1962 during João Goulart's presidency.

Eletrobras is an electric power holding company. It is the largest generation and transmission company in Brazil. Through its subsidiaries it owns about 40% of Brazil's generation capacities and controls 69% of the National Interconnected System.

Eletrobras stands as the biggest company of the electric power sector in Latin America.

Among Eletrobras' subsidiaries, there are generation and transmission companies.

Eletronorte (Centrais Elétricas do Norte do Brasil S.A.) is responsible for the power generation, transmission and distribution in the states of Amazonas, Pará, Acre, Rondônia, Roraima, Amapá, Tocantins and Mato Grosso.

Eletrobras Eletropar acts in participations of other energy companies.